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Deng G, Pan S, Wang G, Zhao L, Zhou M, Frenking G. Beryllium Atom Mediated Dinitrogen Activation via Coupling with Carbon Monoxide. Angew Chem Int Ed Engl 2020; 59:18201-18207. [PMID: 32583528 PMCID: PMC7589277 DOI: 10.1002/anie.202007241] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Indexed: 12/02/2022]
Abstract
The reactions of laser-ablated beryllium atoms with dinitrogen and carbon monoxide mixtures form the end-on bonded NNBeCO and side-on bonded (η2 -N2 )BeCO isomers in solid argon, which are predicted by quantum chemical calculations to be almost isoenergetic. The end-on bonded complex has a triplet ground state while the side-on bonded isomer has a singlet electronic ground state. The complexes rearrange to the energetically lowest lying NBeNCO isomer upon visible light excitation, which is characterized to be an isocyanate complex of a nitrene derivative with a triplet electronic ground state. A bonding analysis using a charge- and energy decomposition procedure reveals that the electronic reference state of Be in the NNBeCO isomers has an 2s0 2p2 excited configuration and that the metal-ligand bonds can be described in terms of N2 →Be←CO σ donation and concomitant N2 ←Be→CO π backdonation. The results demonstrate that the activation of N2 with the N-N bond being completely cleaved can be achieved via coupling with carbon monoxide mediated by a main group atom.
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Affiliation(s)
- Guohai Deng
- Collaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryShanghai Key Laboratory of Molecular Catalysts and Innovative MaterialsFudan UniversityShanghai200438China
| | - Sudip Pan
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringJiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing211816China
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Strasse 435043MarburgGermany
| | - Guanjun Wang
- Collaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryShanghai Key Laboratory of Molecular Catalysts and Innovative MaterialsFudan UniversityShanghai200438China
| | - Lili Zhao
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringJiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing211816China
| | - Mingfei Zhou
- Collaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryShanghai Key Laboratory of Molecular Catalysts and Innovative MaterialsFudan UniversityShanghai200438China
| | - Gernot Frenking
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringJiangsu National Synergetic Innovation Center for Advanced MaterialsNanjing Tech UniversityNanjing211816China
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Strasse 435043MarburgGermany
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Deng G, Pan S, Wang G, Zhao L, Zhou M, Frenking G. Beryllium Atom Mediated Dinitrogen Activation via Coupling with Carbon Monoxide. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007241] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Guohai Deng
- Collaborative Innovation Center of Chemistry for Energy Materials Department of Chemistry Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials Fudan University Shanghai 200438 China
| | - Sudip Pan
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University Nanjing 211816 China
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Guanjun Wang
- Collaborative Innovation Center of Chemistry for Energy Materials Department of Chemistry Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials Fudan University Shanghai 200438 China
| | - Lili Zhao
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University Nanjing 211816 China
| | - Mingfei Zhou
- Collaborative Innovation Center of Chemistry for Energy Materials Department of Chemistry Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials Fudan University Shanghai 200438 China
| | - Gernot Frenking
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University Nanjing 211816 China
- Fachbereich Chemie Philipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
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Gäggeler HW, Usoltsev I, Eichler R. Reactions of fission products from a 252Cf source with NO and mixtures of NO and CO in an inert gas. RADIOCHIM ACTA 2019. [DOI: 10.1515/ract-2018-3076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Fission products recoiling from a 252Cf spontaneous fission source were stopped in various mixtures of inert gases containing CO and NO. For the elements of the transisition metal series Mo, Tc, Ru, and Rh previous observations of pure carbonyl complexes were reproduced. However, no formation of volatile mixed nitrosyl-carbonyl complexes or pure nitrosyl complexes for these elements have been observed. Instead, efficient production of volatile nitrosyl compounds for single iodine atoms, presumably nitrosyl iodide, NOI, was detected. This observation is of interest as potential transport path for iodine in nuclear accident scenarios and as a model for radiochemistry with the recently discovered heaviest halogen tennessine (Z=117).
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Affiliation(s)
| | - Ilya Usoltsev
- Paul Scherrer Institute , 5232 Villigen , Switzerland
- Department for Chemistry and Biochemistry , University of Bern , 3012 Bern , Switzerland
| | - Robert Eichler
- Paul Scherrer Institute , 5232 Villigen , Switzerland
- Department for Chemistry and Biochemistry , University of Bern , 3012 Bern , Switzerland
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Jian J, Zhang Q, Wu X, Zhou M. Isocyanate Formation from Reactions of Early Lanthanide Metal Atoms with NO and CO in Solid Argon. J Phys Chem A 2017; 121:7861-7868. [PMID: 28972761 DOI: 10.1021/acs.jpca.7b08586] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The reactions of early lanthanide metal atoms (Ce, Pr, and Nd) with carbon monoxide and nitric oxide mixtures are studied by infrared absorption spectroscopy in solid argon. The reaction intermediates and products are identified via isotopic substitution as well as theoretical frequency calculations. The results show that the reactions proceed with the initial formation of inserted NLnO molecules, which subsequently react with CO to form the NLnO(CO) complexes on annealing. The NLnO(CO) complexes further isomerize to the more stable isocyanate OLnNCO species under UV light excitation.
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Affiliation(s)
- Jiwen Jian
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , Shanghai 200433, China
| | - Qingnan Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , Shanghai 200433, China
| | - Xuan Wu
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , Shanghai 200433, China
| | - Mingfei Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , Shanghai 200433, China
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Ruthenium and osmium carbonyl nitrosyl complexes: Matrix infrared spectra and density functional calculations for M(CO)2(NO)2 and M(CO)(NO) (M=Ru, Os). Chem Phys 2012. [DOI: 10.1016/j.chemphys.2012.09.009] [Citation(s) in RCA: 7] [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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VAN DER MAELEN URÍA JUANF, RUIZ JAVIER, GARCÍA-GRANDA SANTIAGO. THEORETICAL CHARACTERIZATION OF A HIGHLY ELECTROPHILIC CARBENE. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2011. [DOI: 10.1142/s0219633605001854] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The experimental geometry obtained from single-crystal X-ray diffraction data for a metalladiphosphanyl carbene precursor is compared with the results of theoretical calculations made at the ab initio level by using Hartree–Fock (HF) and Density Functional Theory (DFT) methods over the carbene itself. Theoretical geometry optimizations for the singlet ground state of [ Mn(CO)4(PH2)2C: ]+ have been performed with several hybrid functionals and basis sets. Calculated geometries showed a perfect C 2v symmetry in the highest levels of calculation and were somewhat relaxed when compared with the experimental ones; for instance, with the largest basis set, the P–C–P angle found was 124.8°, whereas C–P bond distances were both 1.667 Å, compared to 103.5(3)° and 1.718(5) Å, respectively, from the experimental data. The absence of a ligand attached to the C : atom in the calculated structure, which is present in the form of iodine in the experimental complex, is probably responsible, to a certain extent, for the discrepancies. In addition to the structural computations, in order to theoretically quantify the highly electrophilic character expected for the carbene, electron affinities were calculated and found to be between 6.24 eV and 6.97 eV at different DFT levels of calculation, which confirmed the expectations. In this respect, a comparison with the analogous [Ru(CNH)4(PH2)2C:]2+ carbene is also made, showing the possibility of experimentally trapping the manganese carbene.
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Affiliation(s)
- JUAN F. VAN DER MAELEN URÍA
- Departamento de Química Física y Analítica, Facultad de Química, Universidad de Oviedo, Avda. Julián Clavería 8, E-33006 Oviedo (Asturias), Spain
| | - JAVIER RUIZ
- Departamento de Química Orgánica e Inorgánica, Facultad de Química, Universidad de Oviedo, Avda. Julián Clavería 8, E-33006 Oviedo (Asturias), Spain
| | - SANTIAGO GARCÍA-GRANDA
- Departamento de Química Física y Analítica, Facultad de Química, Universidad de Oviedo, Avda. Julián Clavería 8, E-33006 Oviedo (Asturias), Spain
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De La Cruz C, Sheppard N. A structure-based analysis of the vibrational spectra of nitrosyl ligands in transition-metal coordination complexes and clusters. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 78:7-28. [PMID: 21123107 DOI: 10.1016/j.saa.2010.08.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Revised: 07/17/2010] [Accepted: 08/02/2010] [Indexed: 05/30/2023]
Abstract
The vibrational spectra of nitrogen monoxide or nitric oxide (NO) bonded to one or to several transition-metal (M) atom(s) in coordination and cluster compounds are analyzed in relation to the various types of such structures identified by diffraction methods. These structures are classified in: (a) terminal (linear and bent) nitrosyls, [M(σ-NO)] or [M(NO)]; (b) twofold nitrosyl bridges, [M2(μ2-NO)]; (c) threefold nitrosyl bridges, [M3(μ3-NO)]; (d) σ/π-dihaptonitrosyls or "side-on" nitrosyls; and (e) isonitrosyls (oxygen-bonded nitrosyls). Typical ranges for the values of internuclear N-O and M-N bond-distances and M-N-O bond-angles for linear nitrosyls are: 1.14-1.20 Å/1.60-1.90 Å/180-160° and for bent nitrosyls are 1.16-1.22 Å/1.80-2.00 Å/140-110°. The [M2(μ2-NO)] bridges have been divided into those that contain one or several metal-metal bonds and those without a formal metal/metal bond (M⋯M). Typical ranges for the M-M, N-O, M-N bond distances and M-N-M bond angles for the normal twofold NO bridges are: 2.30-3.00 Å/1.18-1.22 Å/1.80-2.00 Å/90-70°, whereas for the analogous ranges of the long twofold NO bridges these are 3.10-3.40 Å/1.20-1.24 Å/1.90-2.10 Å/130-110°. In both situations the N-O vector is approximately at right angle to the M-M (or M⋯M) vector within the experimental error; i.e. the NO group is symmetrical bonded to the two metal atoms. In contrast the threefold NO bridges can be symmetrically or unsymmetrically bonded to an M3-plane of a cluster compound. Characteristic values for the N-O and M-N bond-distances of these NO bridges are: 1.24-1.28 Å/1.80-1.90 Å, respectively. As few dihaptonitrosyl and isonitrosyl complexes are known, the structural features of these are discussed on an individual basis. The very extensive vibrational spectroscopy literature considered gives emphasis to the data from linearly bonded NO ligands in stable closed-shell metal complexes; i.e. those which are consistent with the "effective atomic number (EAN)" or "18-electron" rule. In the paucity of enough vibrational spectroscopic data from complexes with only nitrosyl ligands, it turned out to be very advantageous to use wavenumbers from the spectra of uncharged and saturated nitrosyl/carbonyl metal complexes as references, because the presence of a carbonyl ligand was found to be neutral in its effect on the ν(NO)-values. The wide wavenumber range found for the ν(NO) values of linear MNO complexes are then presented in terms of the estimated effects of net ionic charges, or of electron-withdrawing or electron-donating ligands bonded to the same metal atom. Using this approach we have found that: (a) the effect for a unit positive charge is [plus 100 cm(-1)] whereas for a unit negative charge it is [minus 145 cm(-1)]. (b) For electron-withdrawing co-ligands the estimated effects are: terminal CN [plus 50 cm(-1)]; terminal halogens [plus 30 cm(-1)]; bridging or quasi-bridging halogens [plus 15 cm(-1)]. (c) For electro donating co-ligands they are: PF3 [plus 10 cm(-1)]; P(OPh)3 [-30 cm(-1)]; P(OR)3 (R=alkyl group) [-40 cm(-1)]; PPh3 [-55 cm(-1)]; PR3 (R=alkyl group) [-70 cm(-1)]; and η5-C5H5 [-60 cm(-1)]; η5-C5H4Me [-70 cm(-1)]; η5-C5Me5 [-80 cm(-1)]. These values were mostly derived from the spectra of nitrosyl complexes that have been corrected for the presence of only a single electronically-active co-ligand. After making allowance for ionic charges or strongly-perturbing ligands on the same metal atom, the adjusted 'neutral-co-ligand' ν(NO)*-values (in cm(-1)) are for linear nitrosyl complexes with transition metals of Period 4 of the Periodic Table, i.e. those with atomic orbitals (…4s3d4p): [ca. 1750, Cr(NO)]; [1775,Mn(NO)]; [1796,Fe(NO)]; [1817,Co(NO)]; [ca. 1840, Ni(NO)]. Period 5 (…5s4d5p): [1730 Mo(NO)]; [-, Tc(NO)]; [1745,Ru(NO)]; [1790,Rh(NO)]; [ca. 1845, Pd(NO)]. Period 6 (…6s4f5d6p), [1720,W(NO)]; [1730,Re(NO)]; [1738,Os(NO)]; [1760,Ir(NO)]; [-, Pt] respectively. Environmental differences to these values, e.g. data taken in polar solutions or in the crystalline state, can cause ν(NO)* variations (mostly reductions) of up to ca. 30 cm(-1). Three spectroscopic criteria are used to distinguish between linear and bent NO groups. These are: (i) the values of ν(14NO) themselves, and (ii) the isotopic band shift--(IBS)--parameter which is defined as [ν(14NO)-ν(15NO)], and, (iii) the isotopic band ratio--(IBR)--given by [ν(15NO/ν14NO)]. The former is illustrated with the ν(14NO)-data from trigonal bipyramidal (TBP) and tetragonal pyramidal (TP) structures of [M(NO(L)4] complexes (where M=Fe, Co, Ru, Rh, Os, Ir and L=ligand). These values indicate that linear (180-170°) and strongly bent (130-120°) NO groups in these compounds absorb over the 1862-1690 cm(-1) and 1720-1525 cm(-1)-regions, respectively. As was explicitly demonstrated for the linear nitrosyls, these extensive regions reflect the presence in different complexes of a very wide range of co-ligands or ionic charges associated with the metal atom of the nitrosyl group. A plot of the IBS parameter against M-N-O bond-angle for compounds with general formulae [M(NO)(L)y] (y=4, 5, 6) reveals that the IBS-values are clustered between 45 and 30 cm(-1) or between 37 and 25 cm(-1) for linear or bent NO groups, respectively. A plot of IBR shows a less well defined pattern. Overall it is suggested that bent nitrosyls absorb ca. 60-100 cm(-1) below, and have smaller co-ligand band-shifts, than their linear counterparts. Spectroscopic ν(NO) data of the bridging or other types of NO ligands are comparatively few and therefore it has not been possible to give other than general ranges for 'neutral co-ligand' values. Moreover the bridging species data often depend on corrections for the effects of electronically-active co-ligands such as cyclopentadienyl-like groups. The derived neutral co-ligand estimates, ν(NO)*, are: (a) twofold bridged nitrosyls with a metal-metal bond order of one, or greater than one, absorb at ca. 1610-1490 cm(-1); (b) twofold bridged nitrosyl ligands with a longer non-bonding M⋯M distance, ca. 1520-1490 cm(-1); (c) threefold bridged nitrosyls, ca. 1470-1410 cm(-1); (d) σ/π dihaptonitrosyl, [M(η2-NO)], where M=Cr, Mn and Ni; ca. 1490-1440 cm(-1). Isonitrosyls, from few examples, appear to absorb below ca. 1100 cm(-1). To be published DFT calculations of the infrared and Raman spectra of complexes with formulae [M(NO)4-n(CO)n] (M=Cr, Mn, Fe, Co, Ni, and n=0, 1, 2, 3, 4, respectively) are used as models for the assignments of the ν(MN) and δ(MNO) bands from more complex metal nitrosyls.
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Affiliation(s)
- Carlos De La Cruz
- Laboratorio de Espectroscopía Molecular y Atómica, Departamento de Química, Facultad Experimental de Ciencias, La Universidad del Zulia, Maracaibo, Estado Zulia, República Bolivariana de Venezuela
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Jiang L, Xu Q. Infrared Spectroscopic and Theoretical Studies on the Reactions of Copper Atoms with Carbon Monoxide and Nitric Oxide Molecules in Rare-Gas Matrices. J Phys Chem A 2007; 111:2690-6. [PMID: 17388387 DOI: 10.1021/jp067050w] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Reactions of laser-ablated Cu atoms with CO and NO mixtures in solid argon and neon have been investigated using matrix-isolation infrared spectroscopy. Copper carbonyls and copper nitrosyls have been observed, whereas copper carbonyl nitrosyl complexes are absent from the present experiments. New products, (CuCO)2, [NO]Cu[NO], Cu2(mu2-NO), and Cu(NO)2Cu, have been formed in the copper experiments and characterized using infrared spectroscopy on the basis of the results of the isotopic shifts, mixed isotopic splitting patterns, stepwise annealing, the change of reagent concentration and laser energy, and comparison with theoretical predictions. Density functional theory calculations have been performed on these copper carbonyls and copper nitrosyls, which support the identification of these products from the matrix infrared spectrum. A plausible reaction mechanism has been proposed to account for the formation of copper carbonyls and copper nitrosyls. Similar matrix experiments with Ag and Au produce no new species.
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Affiliation(s)
- Ling Jiang
- National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan
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Jianying Z, Yu Z, Guodong T, Longgen Z. Theoretical studies on vibrational spectra of some mixed carbonyl-halide complexes of Osmium(II). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2006; 65:501-10. [PMID: 16529998 DOI: 10.1016/j.saa.2005.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2005] [Revised: 05/30/2005] [Accepted: 12/03/2005] [Indexed: 05/07/2023]
Abstract
The vibrational spectra of Os(CO)(6)(2+) and some of its mixed carbonyl-halide complexes, cis-Os(CO)(2)X(4)(2-), fac-Os(CO)(3)X(3)(-) and Os(CO)(5)X(+) (X=F, Cl, Br and I), have been systematically investigated by ab initio RHF and density functional B3LYP methods with LanL2DZ and SDD basis sets. The calculated vibrational frequencies of complexes Os(CO)(6)(2+), cis-Os(CO)(2)X(4)(2-) and fac-Os(CO)(3)X(3)(-) are evaluated via comparison with the experimental values. In infrared frequency region, the C-O stretching vibrational frequencies calculated at B3LYP level with two basis sets are in good agreement with the observed values with deviations less than 5%. In the far-infrared region, the B3LYP/SDD method achieved the best results with deviations less than 9% for Os-X stretching and less than 8% for Os-C stretching vibrational frequencies. The vibrational frequencies for Os(CO)(5)X(+) that have not been experimentally reported were predicted.
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Affiliation(s)
- Zhao Jianying
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Department of Chemistry, Huaiyin Teachers College, Huai'an 223001, Jiangsu, PR China
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Zhang Y, Zhao J, Tang G, Zhu L. Theoretical studies on vibrational spectra of some halides of group IVB elements. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2006; 64:420-5. [PMID: 16384738 DOI: 10.1016/j.saa.2005.07.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2005] [Revised: 07/08/2005] [Accepted: 07/17/2005] [Indexed: 05/05/2023]
Abstract
The vibrational spectra of group IVB elements halides MX4 (M=Ti(IV), Zr(IV), Hf(II); X=F, Cl, Br and I), have been investigated by ab initio RHF, MP2 and density functional theory B3LYP method with LanL2DZ basis sets. The optimized geometries, calculated vibrational frequencies and Far-IR intensities of MX4 are evaluated via comparison with experimental data. The vibrational frequencies, calculated by these methods, are compared to each other. The results indicate that B3LYP method is more reliable than RHF and MP2 methods for the frequencies calculations for these compounds. With this method, some vibrational frequencies of M2X6(2+)(M=Ti(IV), Zr(IV) and Hf(II); X=F, Cl, Br and I) are also predicted.
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Affiliation(s)
- Yu Zhang
- Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Department of Chemistry, Huaiyin Teachers College, Huai'an 223001, Jiangsu, PR China.
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Zhang Y, Zhao J, Tang G, Zhu L. Ab initio and DFT studies on vibrational spectra of some mixed carbonyl-halide complexes of ruthenium(II). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2005; 61:697-706. [PMID: 15649802 DOI: 10.1016/j.saa.2004.04.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2004] [Accepted: 04/28/2004] [Indexed: 05/24/2023]
Abstract
The vibrational spectra of Ru(CO)6(2+) and some of its mixed carbonyl-halide complexes, cis-Ru(CO)2X4(2-), fac-Ru(CO)3X3- and Ru(CO)5X+ (X = F, Cl, Br and I), have been systematically investigated by ab initio RHF and density functional B3LYP methods with LanL2DZ and SDD basis sets. The calculated vibrational frequencies of complexes Ru(CO)6(2+), cis-Ru(CO)2X4(2-) and fac-Ru(CO)3X3- are evaluated via comparison with the experimental values. In the infrared frequency region, the C-O stretching vibrational frequencies calculated at B3LYP level with two basis sets are in good agreement with the observed values with deviations less than 5%. In the far-infrared region, the B3LYP/SDD method achieved the best results with deviations less than 8% for Ru-X stretching and less than 2% for Ru-C stretching vibrational frequencies. The vibrational frequencies for Ru(CO)5X+ that have not been experimentally reported were predicted.
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Affiliation(s)
- Yu Zhang
- Chemistry Department, Huai Yin Teachers College, Huai An 223001, Jiangsu, People's Republic of China.
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Zhao J, Zhang Y, Zhu L. Theoretical studies on vibrational spectra of mixed cyanide–halide complexes of gold (III). ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.theochem.2003.10.065] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Zhao J, Zhang Y, Kan Y, Zhu L. Theoretical studies on vibrational spectra of some halides of Group IIB elements. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2004; 60:679-688. [PMID: 14747094 DOI: 10.1016/s1386-1425(03)00278-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The vibrational spectra of Group IIB elements halides MX2 and their dimers M2X4 (M=Zn(II), Cd(II) and Hg(II); X=F, Cl, Br and I) have been systematically investigated by ab initio RHF and B3LYP methods with LanL2MB, LanL2DZ and SDD basis sets. The optimized geometries, calculated vibrational frequencies are evaluated via comparison with the experimental data. The vibrational frequencies, calculated by these methods with different basis sets, are compared to each other too. The best results can be obtained by RHF/SDD method, with this method, the deviations for MX2 and Hg2X4 are <7%. Some vibrational frequencies of M2X4 that have not been experimentally reported are also predicted.
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Affiliation(s)
- Jianying Zhao
- Chemistry Department, Huai Yin Teachers College, Huai An 223001, Jiangsu, PR China
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Zhang Y, Zhang L, Tao H, Sun X, Zhu L. Theoretical studies on vibrational spectra of mixed cyanide-halide complexes of platinum(IV) and palladium(IV). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2003; 59:493-509. [PMID: 12524120 DOI: 10.1016/s1386-1425(02)00193-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The vibrational spectra of mixed cyanide-halide complexes, M(CN)4X 2 2- and M(CN)5X2- (M=Pt and Pd; X=F, Cl, Br and I), have been systematically investigated by ab initio RHF, B3LYP and MP2 methods with LanL2DZ and SDD basis sets. The calculated vibrational frequencies of platinum complexes are evaluated via comparison with the experimental values. In the infrared frequency region, the C--N stretching vibrational frequencies calculated at B3LYP level with two basis sets are in good agreement with the observed values with deviations, -16-4 cm(-1) for Pt(CN)4X 2 2- and -18 to -2 cm(-1) for Pt(CN)5X2-. However, in far-infrared region, the results obtained at RHF level are better than those calculated at B3LYP and MP2 levels. For RHF/SDD method, the deviations for Ptz.sbnd;X and Ptz.sbnd;C stretching vibrational frequencies are -14-1 and -12 to -2 cm(-1) in the complex Pt(CN)4X2 2-, -19 to -11 and -15-14 cm(-1) in the Pt(CN)5X2- complex, respectively. The vibrational frequencies of palladium(IV) and some platinum(IV) complexes that have not been experimentally reported are predicted.
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Affiliation(s)
- Yu Zhang
- State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Nanjing University, 210093, Jiangsu, Nanjing, People's Republic of China
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15
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Andrews L, Citra A. Infrared spectra and density functional theory calculations on transition metal nitrosyls. Vibrational frequencies of unsaturated transition metal nitrosyls. Chem Rev 2002; 102:885-912. [PMID: 11942782 DOI: 10.1021/cr0000729] [Citation(s) in RCA: 271] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lester Andrews
- University of Virginia, Department of Chemistry, P.O. Box 400319, Charlottesville, VA 22904-4319, USA
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Liang B, Andrews L. Reactions of Laser-Ablated Osmium and Ruthenium Atoms with Carbon Dioxide: Matrix Infrared Spectra and Density Functional Calculations on OMCO, O2MCO, OMCO- (M = Os, Ru), O2Os(CO)2, and OCRu(O2)CO. J Phys Chem A 2002. [DOI: 10.1021/jp0200167] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Binyong Liang
- Department of Chemistry, University of Virginia, P.O. Box 400319, Charlottesville, Virginia 22904-4319
| | - Lester Andrews
- Department of Chemistry, University of Virginia, P.O. Box 400319, Charlottesville, Virginia 22904-4319
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17
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Wang X, Andrews L. Cobalt Carbonyl Nitrosyl Complexes: Matrix Infrared Spectra and Density Functional Calculations. J Phys Chem A 2001. [DOI: 10.1021/jp0043524] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Xuefeng Wang
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904-4319
| | - Lester Andrews
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904-4319
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