1
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Turner JJ, George MW, Poliakoff M, Perutz RN. Photochemistry of transition metal carbonyls. Chem Soc Rev 2022; 51:5300-5329. [PMID: 35708003 DOI: 10.1039/d1cs00826a] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The purpose of this Tutorial Review is to outline the fundamental photochemistry of metal carbonyls, and to show how the advances in technology have increased our understanding of the detailed mechanisms, particularly how relatively simple experiments can provide deep understanding of complex problems. We recall some important early experiments that demonstrate the key principles underlying current research, concentrating on the binary carbonyls and selected substituted metal carbonyls. At each stage, we illustrate with examples from recent applications. This review first considers the detection of photochemical intermediates in three environments: glasses and matrices; gas phase; solution. It is followed by an examination of the theory underpinning these observations. In the final two sections, we briefly address applications to the characterization and behaviour of complexes with very labile ligands such as N2, H2 and alkanes, concentrating on key mechanistic points, and also describe some principles and examples of photocatalysis.
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Affiliation(s)
- James J Turner
- School of Chemistry University of Nottingham, NG7 2RD, UK.
| | | | | | - Robin N Perutz
- Department of Chemistry, University of York, York, YO10 5DD, UK.
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2
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Abstract
Iron carbonyls are known to form 18-electron complexes like Fe(CO)5, Fe2(CO)9, and Fe3(CO)12 having terminal or bridged Fe-CO bonding. Based on genetic algorithm-assisted density functional theory (DFT) calculations, it is predicted that at pressures above 2 GPa, iron tetracarbonyl, Fe(CO)4, attains a square-planar geometry with a 16-electron count. Compression overcomes the [Ar]4s23d6 (S = 2) → [Ar]4s03d8 (S = 0) excitation energy to stabilize a closed-shell Fe(CO)4 with a d8-configuration. Strong σ(4CO) → Fe (dx2-y2) bonding along with Fe(dxz, dyz) and Fe(dxy) → π (CO)4* back-bonding assists the formation of square-planar Fe(CO)4 under pressure. Compression progressively flattens and destabilizes the ambient pressure C2v structure of Fe(CO)4, and beyond 2 GPa, it undergoes a sharp C2v → D4h transition with ΔVunit-cell = 2.1% and trans-θ(OC-Fe-CO) = 180°. Realizing a square-planar geometry in a four-coordinated Fe-carbonyl complex shows the rich prospects of the new chemistry under pressure.
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Affiliation(s)
- Pranab Gain
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
| | - Shovan Das
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, West Bengal, India
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3
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Nagamori K, Haze M, Nakata H, Zingsheim O, Yamasaki K, Kohguchi H. Generation of Highly Vibrationally Excited CO in Sequential Photodissociation of Iron Carbonyl Complexes. J Phys Chem A 2022; 126:306-313. [PMID: 35007077 DOI: 10.1021/acs.jpca.1c09922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ultraviolet photochemistry of iron pentacarbonyl, Fe(CO)5, was investigated with resonantly enhanced multiphoton ionization (REMPI) spectroscopy and ion imaging. The REMPI spectrum of CO photofragments, generated by ultraviolet irradiation of Fe(CO)5, showed the generation in the highly vibrationally excited states with v = 11-15. Analysis of the band intensities observed in the 213-235 nm region indicated that the high-v CO generation was maximized at around 220 nm. Generation yields of the coordinatively unsaturated intermediates, Fe(CO)n=1-4, were measured as a function of the photolysis wavelength using a nonresonant detection scheme. The yield spectrum of FeCO was correlated with that of the high-v CO fragments, suggesting high-v CO generation in the photodissociation of FeCO. The density functional theory calculations of the excited states of FeCO showed an intense photoabsorption to the metal-centered state near 220 nm. The theoretical results were consistent with the interpretation of FeCO + hν → Fe + high-v CO, which was experimentally indicated. The momentum distribution obtained from the velocity distributions of Fe, Fe(CO)4, and CO fragments further supported that Fe is the counter-product of the high-v CO fragment. The present results provided selective observation of the photochemistry of the unsaturated iron carbonyl complexes, which has not been well elucidated in laser-based experiments because of the uncontrollable sequential photodissociation producing mixed Fe(CO)n intermediates.
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Affiliation(s)
- Keigo Nagamori
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Misato Haze
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Hiroyuki Nakata
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Oliver Zingsheim
- I. Physikalisches Institut, Universität zu Köln, Zülpicher Strasse 77, 50937 Köln, Germany
| | - Katsuyoshi Yamasaki
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Hiroshi Kohguchi
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, Kagamiyama 1-3-1, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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4
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Cole-Filipiak NC, Troß J, Schrader P, McCaslin LM, Ramasesha K. Ultraviolet photodissociation of gas-phase iron pentacarbonyl probed with ultrafast infrared spectroscopy. J Chem Phys 2021; 154:134308. [PMID: 33832268 DOI: 10.1063/5.0041074] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
It is well known that ultraviolet photoexcitation of iron pentacarbonyl results in rapid loss of carbonyl ligands leading to the formation of coordinatively unsaturated iron carbonyl compounds. We employ ultrafast mid-infrared transient absorption spectroscopy to probe the photodissociation dynamics of gas-phase iron pentacarbonyl following ultraviolet excitation at 265 and 199 nm. After photoexcitation at 265 nm, our results show evidence for sequential dissociation of iron pentacarbonyl to form iron tricarbonyl via a short-lived iron tetracarbonyl intermediate. Photodissociation at 199 nm results in the prompt production of Fe(CO)3 within 0.25 ps via several energetically accessible pathways. An additional 15 ps time constant extracted from the data is tentatively assigned to intersystem crossing to the triplet manifold of iron tricarbonyl or iron dicarbonyl. Mechanisms for formation of iron tetracarbonyl, iron tricarbonyl, and iron dicarbonyl are proposed and theoretically validated with one-dimensional cuts through the potential energy surface as well as bond dissociation energies. Ground state calculations are computed at the CCSD(T) level of theory and excited states are computed with EOM-EE-CCSD(dT).
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Affiliation(s)
- Neil C Cole-Filipiak
- Combustion Research Facility, Sandia National Laboratories, Livermore, California 94550, USA
| | - Jan Troß
- Combustion Research Facility, Sandia National Laboratories, Livermore, California 94550, USA
| | - Paul Schrader
- Combustion Research Facility, Sandia National Laboratories, Livermore, California 94550, USA
| | - Laura M McCaslin
- Combustion Research Facility, Sandia National Laboratories, Livermore, California 94550, USA
| | - Krupa Ramasesha
- Combustion Research Facility, Sandia National Laboratories, Livermore, California 94550, USA
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5
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Su CH, Li WP, Tsao LC, Wang LC, Hsu YP, Wang WJ, Liao MC, Lee CL, Yeh CS. Enhancing Microcirculation on Multitriggering Manner Facilitates Angiogenesis and Collagen Deposition on Wound Healing by Photoreleased NO from Hemin-Derivatized Colloids. ACS NANO 2019; 13:4290-4301. [PMID: 30883107 DOI: 10.1021/acsnano.8b09417] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A deficiency of nitric oxide (NO) supply has been found to impair wound healing. The exogenous topical delivery of NO is a promising approach to enhance vasodilation and stimulate angiogenesis and collagen deposition. In this study, the CN groups on the surface of Prussian blue (PB) nanocubes were carefully reduced to -CH2-NH2 to conjugate with COOH group of hemin consisting of a Fe-porphyrin structure with strong affinity toward NO. Accordingly, the NO gas was able to coordinate to hemin-modified PB nanocubes. The hemin-modified PB carrying NO (PB-NO) can be responsible to near-infrared (NIR) light (808 nm) exposure to induce the thermo-induced liberation of NO based on the light-to-heat transformation property of PB nanocubes. The NO supply on the incisional wound sites can be readily topically dropped the colloidal solution of PB-NO for receiving NIR light irradiation. The enhanced blood flow was in a controllable manner whenever the wound sites containing PB-NO received NIR light irradiation. The promotion of blood perfusion following the on-demand multidelivery of NO has effectively facilitated the process of wound closure to enhance angiogensis and collagen deposition.
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Affiliation(s)
- Chia-Hao Su
- Institute for Translational Research in Biomedicine , Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 833 , Taiwan
| | | | | | | | | | | | - Min-Chiao Liao
- Institute for Translational Research in Biomedicine , Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 833 , Taiwan
| | - Chin-Lai Lee
- Institute for Translational Research in Biomedicine , Kaohsiung Chang Gung Memorial Hospital , Kaohsiung 833 , Taiwan
| | - Chen-Sheng Yeh
- Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 807 , Taiwan
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6
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Wang Y, Cao S, Zhang J, Fan F, Yang J, Haba H, Komori Y, Yokokita T, Morimoto K, Kaji D, Wittwer Y, Eichler R, Türler A, Qin Z. The study of rhenium pentacarbonyl complexes using single-atom chemistry in the gas phase. Phys Chem Chem Phys 2019; 21:7147-7154. [PMID: 30887992 DOI: 10.1039/c8cp07844k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A gas-phase chemical study of rhenium carbonyls was carried out using short-lived radioisotopes produced at a heavy-ion accelerator. The Re isotopes produced in the nuclear reactions of natGd(23Na,xn)172-177Re were pre-separated with a gas-filled recoil ion separator and their carbonyls were synthesized in a mixture of inert gas and carbon monoxide. Using a low temperature isothermal chromatography apparatus, the adsorption enthalpies of Re carbonyls were derived to be ΔHads = -42 ± 2 kJ mol-1 on a Teflon® surface by fitting the external chromatograms with a Monte Carlo simulation program. A chemical yield of 25% relative to that of the transport yield for Re by a He/KCl gas-jet was achieved. The laser-ablation time-of-flight mass-spectrometric technique was employed to identify the species of Re carbonyls produced in the gas phase. The most stable species was deduced to be Re(CO)5 based on the mass-spectrometric analysis as well as quantum chemistry calculations.
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Affiliation(s)
- Yang Wang
- Institute of Modern Physics, Chinese Academy of Sciences, No. 509 Nanchang Rd., Lanzhou, 730000, China.
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7
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Zhang ZF, Su MD. The mechanistic investigations of photochemical decarbonylations and oxidative addition reactions for M(CO) 5 (M = Fe, Ru, Os) complexes. RSC Adv 2019; 9:2626-2640. [PMID: 35520498 PMCID: PMC9059829 DOI: 10.1039/c8ra07669c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 12/07/2018] [Indexed: 11/21/2022] Open
Abstract
The mechanisms for the photochemical CO-dissociation and the oxidative addition reactions are studied theoretically using three model systems: M(CO)5 (M = Fe, Ru, and Os) and the CASSCF/Def2-SVP (fourteen-electron/ten-orbital active space) and MP2-CAS/Def2-SVP//CASSCF/Def2-SVP methods. The structures of the intersystem crossings and the conical intersections, which play a decisive role in these CO photo-extrusion reactions, are determined. The intermediates and the transition structures in either the singlet or triplet states are also computed, in order to explain the reaction routes. These model studies suggest that after the irradiation of Fe(CO)5 with UV light, it quickly loses one CO molecule to generate a 16-electron iron tetracarbonyl, in either the singlet or the triplet states. It is found that the triplet Fe(CO)4 plays a vital role in the formation of the final oxidative addition product, Fe(CO)4(H)(SiMe3), but the singlet Fe(CO)4 plays a relatively minor role in the formation of the final product. However, its vacant coordination site interacts weakly with solvent molecules ((Me3)SiH) to yield the alkyl-solvated iron complexes, which are detectable experimentally. The theoretical observations show that Ru(CO)5 and Os(CO)5 have similar photochemical and thermal potential energy profiles. In particular, this study demonstrates that the oxidative addition yield for Fe is much greater than those for its Ru and Os counterparts, under the same chemical conditions.
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Affiliation(s)
- Zheng-Feng Zhang
- Department of Applied Chemistry, National Chiayi UniversityChiayi 60004Taiwan
| | - Ming-Der Su
- Department of Applied Chemistry, National Chiayi UniversityChiayi 60004Taiwan,Department of Medicinal and Applied Chemistry, Kaohsiung Medical UniversityKaohsiung 80708Taiwan
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8
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Leitner T, Josefsson I, Mazza T, Miedema PS, Schröder H, Beye M, Kunnus K, Schreck S, Düsterer S, Föhlisch A, Meyer M, Odelius M, Wernet P. Time-resolved electron spectroscopy for chemical analysis of photodissociation: Photoelectron spectra of Fe(CO)5, Fe(CO)4, and Fe(CO)3. J Chem Phys 2018; 149:044307. [DOI: 10.1063/1.5035149] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- T. Leitner
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - I. Josefsson
- Department of Physics, AlbaNova University Center, Stockholm University, 106 91 Stockholm, Sweden
| | - T. Mazza
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - P. S. Miedema
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - H. Schröder
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
- Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Strasse 24/25, 14476 Potsdam, Germany
| | - M. Beye
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - K. Kunnus
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
- Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Strasse 24/25, 14476 Potsdam, Germany
| | - S. Schreck
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
- Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Strasse 24/25, 14476 Potsdam, Germany
| | - S. Düsterer
- Deutsches Elektronen-Synchrotron DESY, FS-FLASH, Notkestrasse 85, 22607 Hamburg, Germany
| | - A. Föhlisch
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
- Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Strasse 24/25, 14476 Potsdam, Germany
| | - M. Meyer
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M. Odelius
- Department of Physics, AlbaNova University Center, Stockholm University, 106 91 Stockholm, Sweden
| | - Ph. Wernet
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
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9
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Wernet P, Leitner T, Josefsson I, Mazza T, Miedema PS, Schröder H, Beye M, Kunnus K, Schreck S, Radcliffe P, Düsterer S, Meyer M, Odelius M, Föhlisch A. Communication: Direct evidence for sequential dissociation of gas-phase Fe(CO) 5 via a singlet pathway upon excitation at 266 nm. J Chem Phys 2017; 146:211103. [PMID: 28595420 PMCID: PMC5457291 DOI: 10.1063/1.4984774] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 05/18/2017] [Indexed: 11/14/2022] Open
Abstract
We prove the hitherto hypothesized sequential dissociation of Fe(CO)5 in the gas phase upon photoexcitation at 266 nm via a singlet pathway with time-resolved valence and core-level photoelectron spectroscopy with an x-ray free-electron laser. Valence photoelectron spectra are used to identify free CO molecules and to determine the time constants of stepwise dissociation to Fe(CO)4 within the temporal resolution of the experiment and further to Fe(CO)3 within 3 ps. Fe 3p core-level photoelectron spectra directly reflect the singlet spin state of the Fe center in Fe(CO)5, Fe(CO)4, and Fe(CO)3 showing that the dissociation exclusively occurs along a singlet pathway without triplet-state contribution. Our results are important for assessing intra- and intermolecular relaxation processes in the photodissociation dynamics of the prototypical Fe(CO)5 complex in the gas phase and in solution, and they establish time-resolved core-level photoelectron spectroscopy as a powerful tool for determining the multiplicity of transition metals in photochemical reactions of coordination complexes.
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Affiliation(s)
- Ph Wernet
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - T Leitner
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - I Josefsson
- Department of Physics, Stockholm University, AlbaNova University Center, 106 91 Stockholm, Sweden
| | - T Mazza
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - P S Miedema
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - H Schröder
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - M Beye
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - K Kunnus
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - S Schreck
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - P Radcliffe
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - S Düsterer
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany
| | - M Meyer
- European XFEL GmbH, Holzkoppel 4, 22869 Schenefeld, Germany
| | - M Odelius
- Department of Physics, Stockholm University, AlbaNova University Center, 106 91 Stockholm, Sweden
| | - A Föhlisch
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
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10
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Computational insights into the mechanism of iron carbonyl-catalyzed ethylene hydrosilylation or dehydrogenative silylation. COMPUT THEOR CHEM 2015. [DOI: 10.1016/j.comptc.2015.07.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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11
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Tanaka K, Nakamura M, Shirasaka M, Sakamoto A, Harada K, Tanaka T. Millimeter-wave spectroscopy of the FeCO radical in the ν2 and ν3 vibrationally excited states. J Chem Phys 2015; 143:014303. [DOI: 10.1063/1.4923215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Keiichi Tanaka
- Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
- International Center for Space Weather Science and Education, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
| | - Mitsuhiro Nakamura
- Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
| | - Mitsuaki Shirasaka
- Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
| | - Ai Sakamoto
- Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
| | - Kensuke Harada
- Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
| | - Takehiko Tanaka
- Department of Chemistry, Faculty of Sciences, Kyushu University, Hakozaki, Higashiku, Fukuoka 812-8581, Japan
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12
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Zeng Q, Li Z, Han D, Dong L, Zhai H, Liu B, Bai G, Zhang Y. Hartree-Fock and density functional theory study of remote substituent effects on gas-phase heterolytic Fe-O and Fe-S bond energies of p
-G-C6
H4
OFe(CO)2
(η
5
-C5
H5
) and p
-G-C6
H4
SFe(CO)2
(η
5
-C5
H5
). J PHYS ORG CHEM 2013. [DOI: 10.1002/poc.3252] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Qing Zeng
- School of Chinese Pharmacy; Beijing University of Chinese Medicine; Beijing 100102 China
- The State Key Laboratory of Elemento-organic Chemistry; Nankai University; Tianjin 300071 China
| | - Zucheng Li
- Department of Geological Sciences; University of Saskatchewan; 114 Science Place Saskatoon SK S7N 5E2 Canada
| | - Daxiong Han
- The Key Laboratory for Chemical Biology of Fujian Province, Department of Chemistry; Xiamen University; Xiamen 361005 China
| | - Ling Dong
- School of Chinese Pharmacy; Beijing University of Chinese Medicine; Beijing 100102 China
| | - Huaqiang Zhai
- School of Chinese Pharmacy; Beijing University of Chinese Medicine; Beijing 100102 China
| | - Bin Liu
- School of Chinese Pharmacy; Beijing University of Chinese Medicine; Beijing 100102 China
| | - Genben Bai
- School of Chinese Pharmacy; Beijing University of Chinese Medicine; Beijing 100102 China
| | - Yujie Zhang
- School of Chinese Pharmacy; Beijing University of Chinese Medicine; Beijing 100102 China
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13
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Kim J, Kim J, Ihee H. Multireference Ab Initio Study of the Ground and Low-Lying Excited States of Cr(CO)2 and Cr(CO)3. J Phys Chem A 2013; 117:3861-8. [DOI: 10.1021/jp401128k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joonghan Kim
- Department of Chemistry, The Catholic University of Korea, Bucheon, 420-743,
Republic of Korea
| | - Jeongho Kim
- Department
of Chemistry, Inha University, Incheon,
402-751, Republic of Korea
| | - Hyotcherl Ihee
- Center for Nanomaterials and Chemical
Reactions, Institute for Basic Science,
Daejeon, 305-701, Republic of Korea
- Department of Chemistry, KAIST, Daejeon,
305-701, Republic of Korea
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14
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Hirano T, Okuda R, Nagashima U, Jensen P. Geometries and electronic structures of the ground and low-lying excited states of FeCO: An ab initio study. J Chem Phys 2012; 137:244303. [DOI: 10.1063/1.4769283] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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15
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Long C. Potential energy mapping of the excited-states of (η6-arene)Cr(CO)3 complexes: the evolution toward CO-loss or haptotropic shift processes. J Phys Chem A 2012; 116:6845-50. [PMID: 22650265 DOI: 10.1021/jp301118v] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The potential energy profiles of the optically accessible excited states of two model (η(6)-arene)Cr(CO)(3) systems were explored using Time-Dependent Density Functional Theory. Two photochemical reactions were investigated, CO-loss and the haptotropic or ring-slip of the arene ligand. In both cases the photochemical reaction requires the surmounting of a small thermal barrier in the lowest energy excited state. In the case of (η(6)-benzene)Cr(CO)(3) only one excited state is populated following 400 nm excitation and this leads to the release of CO. The calculated energy barrier to this process is 13 kJ mol(-1). In the case of (η(6)-thiophenol)Cr(CO)(3) two excited states are accessible one leading to CO-loss while the other results in the ring-slip process. The calculated barrier to the ring-slip process is 11 kJ mol(-1). The calculations are consistent with the results of picosecond time-resolved infrared studies.
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Affiliation(s)
- Conor Long
- School of Chemical Sciences, Dublin City University, Dublin 9, Ireland.
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16
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Zeng Q, Li Z. Remote substituent effects on homolytic FeC bond energies of p
-G-C6
H4
CH2
Fe(CO)2
(η
5
-C5
H5
) and p
-G-C6
H4
(H)(CN)CFe(CO)2
(η
5
-C5
H5
) studied by Hartree-Fock and density functional theory methods. J PHYS ORG CHEM 2011. [DOI: 10.1002/poc.1828] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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17
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Naumkin FY. Complexes of Be and Mg with unsaturated hydrocarbon molecules: Inter- and intramolecular cooperativity of binding. Chem Phys Lett 2010. [DOI: 10.1016/j.cplett.2010.09.054] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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18
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Schröder D, Hrusak J, Schwarz H. Ligand Effects on the Reactivity of Iron (II) Cations FeX+ in the Gas Phase. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19930970904] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Besora M, Carreón-Macedo JL, Cowan AJ, George MW, Harvey JN, Portius P, Ronayne KL, Sun XZ, Towrie M. A Combined Theoretical and Experimental Study on the Role of Spin States in the Chemistry of Fe(CO)5 Photoproducts. J Am Chem Soc 2009; 131:3583-92. [DOI: 10.1021/ja807149t] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maria Besora
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - José-Luis Carreón-Macedo
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Alexander J. Cowan
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Michael W. George
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Jeremy N. Harvey
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Peter Portius
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Kate L. Ronayne
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Xue-Zhong Sun
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
| | - Michael Towrie
- School of Chemistry, University of Nottingham, University Park Nottingham, Nottingham, NG7 2RD, U.K., Centre for Computational Chemistry and School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, U.K., and STFC Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 QX, U.K
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Besora M, Carreón-Macedo JL, Cimas Á, Harvey JN. Spin-state changes and reactivity in transition metal chemistry: Reactivity of iron tetracarbonyl. ADVANCES IN INORGANIC CHEMISTRY 2009. [DOI: 10.1016/s0898-8838(09)00210-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Bertini L, Bruschi M, De Gioia L, Fantucci P. Structure and Energetics of Fe2(CO)8 Singlet and Triplet Electronic States. J Phys Chem A 2007; 111:12152-62. [DOI: 10.1021/jp075343z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Luca Bertini
- Department of Biotechnology and Biosciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy, and Department of Environmental Sciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 1, 20126 Milan, Italy
| | - Maurizio Bruschi
- Department of Biotechnology and Biosciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy, and Department of Environmental Sciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 1, 20126 Milan, Italy
| | - Luca De Gioia
- Department of Biotechnology and Biosciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy, and Department of Environmental Sciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 1, 20126 Milan, Italy
| | - Piercarlo Fantucci
- Department of Biotechnology and Biosciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy, and Department of Environmental Sciences, Universitá degli Studi di Milano-Bicocca, Piazza della Scienza, 1, 20126 Milan, Italy
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25
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Bettinger HF. BN-Analogues of Vinylidene Transition Metal Complexes: The Borylnitrene Isomer. Inorg Chem 2007; 46:5188-95. [PMID: 17530841 DOI: 10.1021/ic0622104] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Density functional computations using the BP86 functional within the resolution-of-identity approximation and polarized triple-zeta basis sets are employed for the study of the three isoelectronic (CO)(4)FeL (L = CCH(2) (5), BNH(2) (6), NBH(2) (7)) as well as (CO)(4)Fe(NBcat) (9) (cat = catecholato) complexes. In all complexes 5-7, the ligand L prefers the equatorial position of a pseudo trigonal bipyramid. The borylnitrene complex 7 has a linear Fe-N-B arrangement; its Fe-L bond dissociation energy is similar to that of the vinylidene complex 5 and only slightly lower than that of 6. Nonetheless, 7 is less stable thermodynamically than 6 by 40 kcal mol(-1). Complexes of type 7 are expected to be reactive on the basis of the following findings: the HOMO-LUMO energy gap is small, the rearrangement from 7 to 6 via an iminoborane intermediate involves barriers of 15 and 28 kcal mol(-1), and the dissociation of a CO molecule to give (CO)(3)FeNBH(2) is only slightly endergonic (+7 kcal mol(-1) at 298.15 K). The catecholate bridge in 9 results in significant changes: the bipyramidal complex is no longer a minimum, but an isocycanato complex is obtained instead computationally.
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Affiliation(s)
- Holger F Bettinger
- Lehrstuhl für Organische Chemie II, Ruhr-Universität Bochum, Universitätsstrasse 150, 44780 Bochum, Germany.
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26
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Kim J, Kim TK, Kim J, Lee YS, Ihee H. Density Functional and Ab Initio Study of Cr(CO)n (n = 1−6) Complexes. J Phys Chem A 2007; 111:4697-710. [PMID: 17488098 DOI: 10.1021/jp066081o] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cr(CO)n (n = 1-6) systems were studied for all possible spin states using density functional and high-level ab initio methods to provide a more complete theoretical understanding of the structure of species that may form during ligand dissociation of Cr(CO)6. We carried out geometry optimizations for each system and obtained vibrational frequencies, sequential bond dissociation energies (BDE), and total CO binding energies. We also compared the performance of various DFT functionals. Generally, the ground states of Cr(CO)6, Cr(CO)5, and Cr(CO)4, whose spin multiplicity is a singlet, are in good agreement with both previous theoretical results and currently available experimental data. Calculations on Cr(CO)3, Cr(CO)2, and CrCO provide new findings that the ground state of Cr(CO)3 might be a quintet with C2v symmetry instead of a singlet with C3v symmetry, and the ground state of Cr(CO)2 is not a linear quintet, as suggested by previous DFT calculations, but rather a linear septet. We also found that nonet states of Cr(CO)2 and CrCO display partial C-O bond breakage.
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Affiliation(s)
- Joonghan Kim
- Department of Chemistry and School of Molecular Science (BK21), Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 305-701, Republic of Korea
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27
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Lupinetti AJ, Strauss SH, Frenking G. Nonclassical Metal Carbonyls. PROGRESS IN INORGANIC CHEMISTRY 2007. [DOI: 10.1002/9780470166512.ch1] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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28
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Affiliation(s)
- T. Tsuchiya
- a Department of Applied Chemistry, Graduate School of Engineering , The University of Tokyo , Tokyo, Japan , 113-8656
| | - B. O. Roos
- b Department of Theoretical Chemistry, Chemical Center , P.O.B. 124, S-221 00, Lund, Sweden
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Frenking G, Antes I, Böhme M, Dapprich S, Ehlers AW, Jonas V, Neuhaus A, Otto M, Stegmann R, Veldkamp A, Vyboishchikov SF. Pseudopotential Calculations of Transition Metal Compounds: Scope and Limitations. REVIEWS IN COMPUTATIONAL CHEMISTRY 2007. [DOI: 10.1002/9780470125854.ch2] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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30
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Villaume S, Strich A, Daniel C, Perera SA, Bartlett RJ. A coupled cluster study of the electronic spectroscopy and photochemistry of Cr(CO)6. Phys Chem Chem Phys 2007; 9:6115-22. [DOI: 10.1039/b709050a] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Nyberg M, Föhlisch A, Triguero L, Bassan A, Nilsson A, Pettersson L. Bonding in metal–carbonyls: A comparison with experiment and calculations on adsorbed CO. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.theochem.2005.10.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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32
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Kismartoni LC, Weitz E, Cedeño DL. Density Functional Study of Fe(CO)3 and Fe(CO)3(L) with H2 and C2H4, where L = H2 or C2H4: Reactions Relevant to Olefin Hydrogenation. Organometallics 2005. [DOI: 10.1021/om0499411] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Eric Weitz
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113
| | - David L. Cedeño
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160
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33
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Hyla-Kryspin I, Grimme S. Comprehensive Study of the Thermochemistry of First-Row Transition Metal Compounds by Spin Component Scaled MP2 and MP3 Methods. Organometallics 2004. [DOI: 10.1021/om049521b] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Isabella Hyla-Kryspin
- Organisch-Chemisches Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
| | - Stefan Grimme
- Organisch-Chemisches Institut der Universität Münster, Corrensstrasse 40, D-48149 Münster, Germany
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34
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DFT Computation of Relative Spin-State Energetics of Transition Metal Compounds. PRINCIPLES AND APPLICATIONS OF DENSITY FUNCTIONAL THEORY IN INORGANIC CHEMISTRY I 2004. [DOI: 10.1007/b97939] [Citation(s) in RCA: 212] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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35
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Gutsev GL, Bauschlicher CW, Andrews L. Structure of neutral and charged FenCO clusters (n=1–6) and energetics of the FenCO+CO→FenC+CO2 reaction. J Chem Phys 2003. [DOI: 10.1063/1.1590953] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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36
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Cedeño DL, Weitz E. Density Functional Theory Study of Fe(CO)3(η2-C3H6), HFe(CO)3(η3-C3H5), and the Iron−Allyl Bond Energy. Organometallics 2003. [DOI: 10.1021/om020920l] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David L. Cedeño
- Department of Chemistry, Illinois State University, Normal, Illinois 61790
| | - Eric Weitz
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208
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Pilme J, Silvi B, Alikhani ME. Structure and Stability of M−CO, M = First-Transition-Row Metal: An Application of Density Functional Theory and Topological Approaches. J Phys Chem A 2003. [DOI: 10.1021/jp027203p] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Julien Pilme
- Laboratoire de Chimie Théorique (UMR-CNRS 7616), Université Pierre et Marie Curie, 4 Place Jussieu 75252-Paris cédex, France
| | - Bernard Silvi
- Laboratoire de Chimie Théorique (UMR-CNRS 7616), Université Pierre et Marie Curie, 4 Place Jussieu 75252-Paris cédex, France
| | - Mohammad Esmail Alikhani
- Laboratoire de Dynamique, Interactions et Réactivité (UMR-CNRS 7075), Université Pierre et Marie Curie, 4 Place Jussieu 75252-Paris cédex, France
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38
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Mogi K, Sakai Y, Sonoda T, Xu Q, Souma Y. Geometries and Electronic Structures of Group 10 and 11 Metal Carbonyl Cations, [M(CO)n]x+ (Mx+ = Ni2+, Pd2+, Pt2+, Cu+, Ag+, Au+; n = 1−4). J Phys Chem A 2003. [DOI: 10.1021/jp0220534] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Koichi Mogi
- Department of Molecular and Material Science, Kyushu University, 6-1 Kasuga Park, Kasuga, Hukuoka, 816-8580, Japan, and National Institute of Advanced Industrial Science and Technology, AIST, 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan
| | - Yoshiko Sakai
- Department of Molecular and Material Science, Kyushu University, 6-1 Kasuga Park, Kasuga, Hukuoka, 816-8580, Japan, and National Institute of Advanced Industrial Science and Technology, AIST, 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan
| | - Takaaki Sonoda
- Department of Molecular and Material Science, Kyushu University, 6-1 Kasuga Park, Kasuga, Hukuoka, 816-8580, Japan, and National Institute of Advanced Industrial Science and Technology, AIST, 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan
| | - Qiang Xu
- Department of Molecular and Material Science, Kyushu University, 6-1 Kasuga Park, Kasuga, Hukuoka, 816-8580, Japan, and National Institute of Advanced Industrial Science and Technology, AIST, 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan
| | - Yoshie Souma
- Department of Molecular and Material Science, Kyushu University, 6-1 Kasuga Park, Kasuga, Hukuoka, 816-8580, Japan, and National Institute of Advanced Industrial Science and Technology, AIST, 1-8-31 Midorigaoka, Ikeda, Osaka, 563-8577, Japan
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39
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Harvey JN, Poli R. Computational study of the spin-forbidden H2oxidative addition to 16-electron Fe(0) complexes. Dalton Trans 2003. [DOI: 10.1039/b302916f] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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40
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Kim BH, Lund CR. Issues involved in using MCSCF to investigate catalytic sites involving transition metals. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s1381-1169(02)00243-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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41
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Richardson NA, Xie Y, King RB, Schaefer HF. Flat Potential Energy Surface of the Saturated Binuclear Homoleptic Chromium Carbonyl Cr2(CO)11 with One, Two, and Three Bridging Carbonyls: Comparison with the Well-Known [HCr2(CO)10]- Anion and the Related [(μ-H)2Cr2(CO)9]2- and [(μ-H)2Cr2(CO)8]2- Dianions. J Phys Chem A 2001. [DOI: 10.1021/jp013347c] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nancy A. Richardson
- Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602
| | - Yaoming Xie
- Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602
| | - R. Bruce King
- Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602
| | - Henry F. Schaefer
- Center for Computational Quantum Chemistry, University of Georgia, Athens, Georgia 30602
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Schwerdtfeger P, Söhnel T, Pernpointner M, Laerdahl JK, Wagner FE. Comparison ofab initioand density functional calculations of electric field gradients: The 57Fe nuclear quadrupole moment from Mössbauer data. J Chem Phys 2001. [DOI: 10.1063/1.1398095] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Lein M, Frunzke J, Timoshkin A, Frenking G. Iron bispentazole Fe(eta5-N5)2, a theoretically predicted high-energy compound: structure, bonding analysis, metal-ligand bond strength and a comparison with the isoelectronic ferrocene. Chemistry 2001; 7:4155-63. [PMID: 11686594 DOI: 10.1002/1521-3765(20011001)7:19<4155::aid-chem4155>3.0.co;2-m] [Citation(s) in RCA: 148] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Quantum-chemical calculations with gradient-corrected (B3LYP) density functional theory have been carried out for iron bispentazole and ferrocene. The calculations predict that Fe(eta5-N5)2 is a strongly bonded complex which has D5d symmetry. The theoretically predicted total bond energy that yields Fe in the 5D ground state and two pentazole ligands is Do = 109.0 kcal mol(-1), which is only 29 kcal mol(-1) less than the calculated bond energy of ferrocene (Do = 138.0 kcal mol(-1); experimental: 158 +/- 2 kcal mol(-1)). The compound Fe(eta5-N5)2 is 260.5 kcal mol(-1) higher in energy than the experimentally known isomer Fe(N2)5, but the bond energy of the latter (Do = 33.7 kcal mol(-1)) is much less. The energy decomposition analyses of Fe(eta5-N5)2 and ferrocene show that the two compounds have similar bonding situations. The metal-ligand bonds are roughly half ionic and half covalent. The covalent bonding comes mainly from (e1g) eta5-N5- --> Fe2+ pi-donation. The previously suggested MO correlation diagram for ferrocene is nicely recovered by the Kohn-Sham orbitals. The calculated vibrational frequencies and IR intensities are reported.
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Affiliation(s)
- M Lein
- Fachbereich Chemie, Philipps-Universität Marburg, Germany
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44
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Zhou M, Andrews L, Bauschlicher CW. Spectroscopic and theoretical investigations of vibrational frequencies in binary unsaturated transition-metal carbonyl cations, neutrals, and anions. Chem Rev 2001; 101:1931-61. [PMID: 11710236 DOI: 10.1021/cr990102b] [Citation(s) in RCA: 383] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Figure 18 presents the C-O stretching vibrational frequencies of the first-row transition-metal monocarbonyl cations, neutrals, and anions in solid neon; similar diagrams have been reported for neutral MCO species in solid argon, but three of the early assignments have been changed by recent work and one new assignment added. The laser-ablation method produces mostly neutral atoms with a few percent cations and electrons for capture to make anions; in contrast, thermal evaporation gives only neutral species. Hence, the very recent neon matrix investigations in our laboratory provide carbonyl cations and anions for comparison to neutrals on a level playing field. Several trends are very interesting. First, for all metals, the C-O stretching frequencies follow the order cations > neutrals > anions with large diagnostic 100-200 cm-1 separations, which is consistent with the magnitude of the metal d to CO pi * donation. Second, for a given charge, there is a general increase in C-O stretching vibrational frequencies with increasing metal atomic number, which demonstrates the expected decrease in the metal to CO pi * donation with increasing metal ionization potential. Some of the structure in this plot arises from the extra stability of the filled and half-filled d shell and from the electron pairing that occurs at the middle of the TM row; the plot resembles the "double-humped" graph found for the variation in properties across a row of transition metals. For the anions, the variation with metal atom is the smallest since all of the metals can easily donate charge to the CO ligand. Third, for the early transition-metal Ti, V, and Cr families, the C-O stretching frequencies decrease when going down the family, but the reverse relationship is observed for the late transition-metal Fe, Co, and Ni families. In most of the present discussion, we have referred to neon matrix frequencies; however, the argon matrix frequencies are complementary, and useful information can be obtained from comparison of the two matrix hosts. In most cases, the neon-to-argon red shift for neutral carbonyls is from 11 to 26 cm-1, but a few (CrCO) lie outside of this range. In the case of FeCO and Fe(CO)2, it appears that neon and argon trap different low-lying electronic states. In general, the carbonyl neutrals and anions have similar shifts but carbonyl cations have larger matrix shifts. For example, the FeCO+ fundamental is at 2123.0 cm-1 in neon and 2081.5 cm-1 in argon, a 42.5 cm-1 shift, which is larger than those found for FeCO- (11.7 cm-1) and FeCO (11.7 cm-1). It is unusual for different low-lying electronic states to be trapped in different matrices, but CUO provides another example. The linear singlet state (1047.3, 872.2 cm-1) is trapped in solid neon, and a calculated 1.2 kcal/mol higher triplet state is trapped in solid argon (852.5, 804.3 cm-1) and stabilized by a specific interaction with argon. The bonding trends are well described by theoretical calculations of vibrational frequencies. Table 5 compares the scale factors (observed neon matrix/calculated) for the C-O stretching modes of the monocarbonyl cations, neutrals, and anions of the first-row transition metals observed in a neon matrix using the B3LYP and BP86 density functionals. Most of the calculated carbonyl harmonic stretching frequencies are within 1% of the experimental fundamentals at the BP86 level of theory, while calculations using the B3LYP functional give frequencies that are 3-4% higher as expected for these density functionals and calculations on saturated TM-carbonyls. For second- and third-row carbonyls using the BP86 density functional and the LANL effective core potential in conjunction with the DZ basis set, the agreement between theory and experiment is just as good. For example, the 16 M(CO)1-4 neutral and anion and 2 MCO+ cation (M = Ru, Os) carbonyl frequencies are fit within 1.5%. The 16 species (M = Rh, Ir) are fit within 1%, but the Rh(CO)1-4+ calculations are 2-3% too low and Ir(CO)1-4+ computations are 1-2% too low. In addition to predicting the vibrational frequencies, DFT can be used to calculate different isotopic frequencies, and isotopic frequency ratios can be computed as a measure of the normal vibrational mode in the molecule for an additional diagnostic. For diatomic CO, the 12CO/13CO ratio 1.0225 and C16O/C18O ratio 1.0244 characterize a pure C-O stretching mode. In a series of molecules such as RhCO+, RhCO, and RhCO-, where the metal-CO bonding varies, the Rh-C, C-O vibrational interaction is different and the unique isotopic ratios for the carbonyl vibration are characteristic of that particular molecule. Table 6 summarizes the isotopic ratios observed and calculated for the RhCO+,0,- species. Note that RhCO+ exhibits slightly more carbon-13 and less oxygen-18 involvement in the C-O vibration than CO itself and that this trend increases to RhCO and to RhCO- as the Rh-C bond becomes shorter and stronger. Note also how closely the calculated and observed ratios both follow this trend. In a molecule with two C-O stretching modes, for example, bent Ni(CO)2 exhibits a strong b2 mode at 1978.9 cm-1 and a weak a1 mode at 2089.7 cm-1 in solid neon, and these two modes involve different C and O participations. The symmetric mode shows substantially more C (1.0242) and less O (1.0217) participation than does the antisymmetric mode with C (1.0228) and O (1.0238) involvement, based on the given isotopic frequency ratios, which are nicely matched by DFT calculations (a1 1.0244, 1.0224 and b2 1.0232, 1.0241, respectively). These investigations of vibrational frequencies in unsaturated transition-metal carbonyl cations, neutrals, and anions clearly demonstrate the value of a close working relationship between experiment and theory to identify and characterize new molecular species.
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Affiliation(s)
- M Zhou
- Department of Chemistry, Laser Chemistry Institute, Fudan University, Shanghai 200433, P. R. China
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45
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Ihee H, Cao J, Zewail AH. Ultrafast Electron Diffraction of Transient [Fe(CO)4]: Determination of Molecular Structure and Reaction Pathway. Angew Chem Int Ed Engl 2001. [DOI: 10.1002/1521-3757(20010417)113:8<1580::aid-ange1580>3.0.co;2-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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46
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Ihee H, Cao J, Zewail AH. Ultrafast Electron Diffraction of Transient [Fe(CO)4]: Determination of Molecular Structure and Reaction Pathway. Angew Chem Int Ed Engl 2001; 40:1532-1536. [DOI: 10.1002/1521-3773(20010417)40:8<1532::aid-anie1532>3.0.co;2-e] [Citation(s) in RCA: 83] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2000] [Indexed: 11/08/2022]
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47
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Snee PT, Payne CK, Kotz KT, Yang H, Harris CB. Triplet organometallic reactivity under ambient conditions: an ultrafast UV pump/IR probe study. J Am Chem Soc 2001; 123:2255-64. [PMID: 11456872 DOI: 10.1021/ja002350r] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reactivity of triplet 16-electron organometallic species has been studied in room-temperature solution using femtosecond UV pump IR probe spectroscopy. Specifically, the Si-H bond-activation reaction of photogenerated triplet Fe(CO)(4) and triplet CpCo(CO) with triethylsilane has been characterized and compared to the known singlet species CpRh(CO). The intermediates observed were studied using density functional theory (DFT) as well as ab initio quantum chemical calculations. The triplet organometallics have a greater overall reactivity than singlet species due to a change in the Si-H activation mechanism, which is due to the fact that triplet intermediates coordinate weakly at best with the ethyl groups of triethylsilane. Consequently, the triplet species do not become trapped in alkyl-solvated intermediate states. The experimental results are compared to the theoretical calculations, which qualitatively reproduce the trends in the data.
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Affiliation(s)
- P T Snee
- Contribution from the Department of Chemistry, University of California, Berkeley, California 94720, USA
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48
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Hexacarbonyldiplatinum(I) cation-catalyzed carbonylation of olefins in concentrated sulfuric acid. J Org Chem 2000; 65:8105-7. [PMID: 11073630 DOI: 10.1021/jo000883c] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Xu Q, Heaton BT, Jacob C, Mogi K, Ichihashi Y, Souma Y, Kanamori K, Eguchi T. Hexacarbonyldiplatinum(I). Synthesis, Spectroscopy, and Density Functional Calculation of the First Homoleptic, Dinuclear Platinum(I) Carbonyl Cation, [{Pt(CO)3}2]2+, Formed in Concentrated Sulfuric Acid. J Am Chem Soc 2000. [DOI: 10.1021/ja000716u] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qiang Xu
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Brian T. Heaton
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Chacko Jacob
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Koichi Mogi
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Yuichi Ichihashi
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Yoshie Souma
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Kan Kanamori
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
| | - Taro Eguchi
- Contribution from Osaka National Research Institute, AIST, MITI, Midorigaoka, Ikeda, Osaka 563-8577, Japan, Department of Chemistry, The University of Liverpool, Crown Street, Liverpool L69 7ZD, UK, Department of Molecular and Material Sciences, Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan, Department of Chemistry, Toyama University, 3190, Gofuku, Toyama 930-8555, Japan, and Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka,
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50
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Diefenbach A, Bickelhaupt FM, Frenking G. The Nature of the Transition Metal−Carbonyl Bond and the Question about the Valence Orbitals of Transition Metals. A Bond-Energy Decomposition Analysis of TM(CO)6q (TMq = Hf2-, Ta-, W, Re+, Os2+, Ir3+). J Am Chem Soc 2000. [DOI: 10.1021/ja000663g] [Citation(s) in RCA: 224] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Axel Diefenbach
- Contribution from the Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, D-35032 Marburg, Germany and the Scheikundig Laboratorium der Vrije Universiteit, De Boelelaan 1083, NL-1081 HV Amsterdam, The Netherlands
| | - F. Matthias Bickelhaupt
- Contribution from the Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, D-35032 Marburg, Germany and the Scheikundig Laboratorium der Vrije Universiteit, De Boelelaan 1083, NL-1081 HV Amsterdam, The Netherlands
| | - Gernot Frenking
- Contribution from the Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, D-35032 Marburg, Germany and the Scheikundig Laboratorium der Vrije Universiteit, De Boelelaan 1083, NL-1081 HV Amsterdam, The Netherlands
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