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Kenouche S, Bachir N, Martínez-Araya JI. Explaining the High Catalytic Activity in Bis(indenyl)methyl Zirconium Cation Using Combined EDA-NOCV/QTAIM Approach. Chemphyschem 2023; 24:e202200488. [PMID: 36161688 DOI: 10.1002/cphc.202200488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/24/2022] [Indexed: 01/20/2023]
Abstract
The main purpose of this study is to elucidate some discrepancies already observed in the catalytic activity values of some zirconocene methyl cations. The EDA-NOCV scheme was employed for a theoretical description of the interactions between an ethylene molecule and five catalysts of zirconocene methyl cation. The nature of the chemical interactions has been elucidated through the QTAIM topological analysis. The steric hindrance due to the ligands was evaluated qualitatively by means of an IRI-based analysis and quantitively through Fisher information. The findings prove that the indenyl ligand seems to favor the orbital interaction between the ethylene molecule and the metal centre of zirconocene methyl cation. Both electrostatic and orbital contributions play a crucial role in stabilising the studied complexes. Based on the NOCV deformation density contributions, the strongest orbital interaction is reached with the bis(indenyl)methyl zirconium cation, which is the only one exhibiting covalent interactions. Especially, the strong contribution of π-back donation (occurring from the occupied orbitals of the zirconium atom to the π* anti-bonding orbital of ethylene) may be a key to understand why this catalyst has a higher polymerisation yield than the other studied catalysts. This work suggests a perspective for predicting values of catalytic activity when theoretically designing novel catalysts of zirconocene type.
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Affiliation(s)
- Samir Kenouche
- Group of Modeling of Chemical Systems using Quantum Calculations, Applied Chemistry Laboratory (LCA)., University of M. Khider of Biskra, BP 145 RP, 07000, Biskra, Algeria
| | - Nassima Bachir
- Group of Modeling of Chemical Systems using Quantum Calculations, Applied Chemistry Laboratory (LCA)., University of M. Khider of Biskra, BP 145 RP, 07000, Biskra, Algeria
| | - Jorge I Martínez-Araya
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello (UNAB), Av. República 275, 8370146, Santiago, Chile
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Kenouche S, Martínez-Araya JI. A combined QTAIM/IRI topological analysis of the effect of axial/equatorial positions of NH 2 and CN substituents in the [(PY 5Me 2)MoO] + complex. J Mol Graph Model 2022; 116:108273. [PMID: 35930821 DOI: 10.1016/j.jmgm.2022.108273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 05/09/2022] [Accepted: 07/08/2022] [Indexed: 12/15/2022]
Abstract
By means of the Interaction Region Indicator (IRI) and Quantum Theory of Atoms in Molecules (QTAIM), the influence exerted by NH2 (amino) and CN (cyano) as electron donor and electron acceptor substituent groups, respectively, located at para-positions of axial and equatorial pyridine rings of derivatized complexes coming from the [(PY5Me2)MoO]+ complex during the hydrogen molecular release in the gas phase was analyzed. In any case, a H-H covalent bond is forming at the transition state, with a strengthening of the electron density of 5.5% when the substituent group involved is NH2 at the para-position of the axial pyridine ring. However, there was no difference between NH2 and CN when these substituent groups are located at the para-positions of the equatorial pyridine rings. The topological properties of electron densities from the QTAIM are not perturbed by the electron donor and electron acceptor nature of the substituents, even when these substituent groups are located at the axial or equatorial pyridine rings of the Mo-based complex.
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Affiliation(s)
- Samir Kenouche
- Group of Modeling of Chemical Systems Using Quantum Calculations, Applied Chemistry Laboratory (LCA), University M. Khider of Biskra, 07000 Biskra, Algeria
| | - Jorge I Martínez-Araya
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello (UNAB), Av. República 275, 8370146, Santiago, Chile.
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da Silva RS, Ballester MY. Radiative lifetimes of the doublet states of 107Ag16O: A configuration interaction study. Chem Phys 2022. [DOI: 10.1016/j.chemphys.2022.111480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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4
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Structure and electronic properties of copper oxide clusters and the effect of reacting with water investigated using Monte Carlo simulations and DFT calculations. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Martínez-Araya JI, Morell C. The density polarization reveals directions of electron displacements due to the substituent effect: Analysis performed on a metal-organic Mo-Oxo catalyst. J Comput Chem 2021; 42:1118-1125. [PMID: 33880780 DOI: 10.1002/jcc.26526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/13/2021] [Accepted: 03/18/2021] [Indexed: 11/09/2022]
Abstract
Some Mo-oxo complexes bearing pyridine rings have the capability for dihydrogen production from water. However, energy barrier and overall energy vary depending on the effect exerted by several substituent groups located at different positions around one or more pyridine rings which are ligands of these compounds. Based on the Karunadasa and coworkers investigation where the para-position was experimentally tested in compounds derivatised from the 2,6-bis[1,1-bis(2-pyridil)ethyl]-pyridine oxo-molybdenum complex synthesized (Karunadasa et al., Nature, 2010, 464, 1329), we tested the combined effect of electron-withdrawing and electron-donating groups simulated as perturbations represented by point-charges. Then, we used the density polarization concept, δρ(r), a local reactivity descriptor corresponding to the partially integrated linear response function, χ(r, r') (a non-local reactivity descriptor), which is able to reveal different displacements of π-electrons on molecular structures. We perturbed the para-positions in the pentadentate ligand 2,6-bis[1,1-bis(2-pyridil)ethyl]-pyridine in the Mo-based complex by means of point-charges. They were located in three different configurations of the organic ligand (trans, geminal, and cis) which could help to explain energy barriers and overall energy of reactions catalyzed by this type of Mo-complexes. Our results indicate that the trans configuration of point-charges induces the most amount of fraction of electron shifted on the complex. A Mo-based complex bearing the same trans configuration for electron-withdrawing and electron-donating substituent groups (cyano and amino, respectively), leads to a kinetically more favorable H2 release than the cis or geminal configuration of the substituent groups aforementioned.
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Affiliation(s)
- Jorge I Martínez-Araya
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello (UNAB), Santiago, Chile
| | - Christophe Morell
- Université de Lyon, Institut des Sciences Analytiques, UMR 5280,CNRS, Université Claude Bernard Lyon 1, Villeurbanne, France
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Yepes D, Jaque P, Martínez-Araya JI. Scrutinizing the substituent effect on Mo-based electrocatalysts for molecular hydrogen release through axial–equatorial decomposition: a DFT study. Phys Chem Chem Phys 2019; 21:16601-16614. [DOI: 10.1039/c9cp00670b] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effect of electron-donating and -withdrawing groups is studied in terms of axial and equatorial locations at the p-pyridine rings in the [(PY5Me2)MoO]2+ for the H2 release in aqueous media. It opens a way to modify its kinetics and thermodynamics.
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Affiliation(s)
- Diana Yepes
- Departamento de Ciencias Químicas
- Facultad de Ciencias Exactas
- Universidad Andres Bello (UNAB)
- Santiago
- Chile
| | - Pablo Jaque
- Departamento de Química Orgánica y Fisicoquímica
- Facultad de Ciencias Químicas yFarmacéuticas
- Universidad de Chile (U. de Chile)
- Santiago
- Chile
| | - Jorge I. Martínez-Araya
- Departamento de Ciencias Químicas
- Facultad de Ciencias Exactas
- Universidad Andres Bello (UNAB)
- Santiago
- Chile
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Shi B, Weissman S, Bruneval F, Kronik L, Öğüt S. Photoelectron spectra of copper oxide cluster anions from first principles methods. J Chem Phys 2018; 149:064306. [PMID: 30111139 DOI: 10.1063/1.5038744] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present results and analyses for the photoelectron spectra of small copper oxide cluster anions (CuO-, Cu O2- , Cu O3- , and Cu2O-). The spectra are computed using various techniques, including density functional theory (DFT) with semi-local, global hybrid, and optimally tuned range-separated hybrid functionals, as well as many-body perturbation theory within the GW approximation based on various DFT starting points. The results are compared with each other and with the available experimental data. We conclude that as in many metal-organic systems, self-interaction errors are a major issue that is mitigated by hybrid functionals. However, these need to be balanced against a strong role of non-dynamical correlation-especially in smaller, more symmetric systems-where errors are alleviated by semi-local functionals. The relative importance of the two phenomena, including practical ways of balancing the two constraints, is discussed in detail.
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Affiliation(s)
- Bin Shi
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, USA
| | - Shira Weissman
- Department of Materials and Interfaces, Weizmann Institute of Science, Rehovoth 76100, Israel
| | - Fabien Bruneval
- DEN, Service de Recherches de Métallurgie Physique, CEA, Université Paris-Saclay, F-91128 Gif-sur-Yvette, France
| | - Leeor Kronik
- Department of Materials and Interfaces, Weizmann Institute of Science, Rehovoth 76100, Israel
| | - Serdar Öğüt
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, USA
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Martínez-Araya JI, Yepes D, Jaque P. A 3D visualization of the substituent effect : A brief analysis of two components of the operational formula of dual descriptor for open-shell systems. J Mol Model 2017; 24:31. [PMID: 29282551 DOI: 10.1007/s00894-017-3565-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 12/04/2017] [Indexed: 10/18/2022]
Abstract
Six organometallic compounds coming from a basic Mo-based complex were analyzed from the perspective of the dual descriptor in order to detect subtle influences that a substituent group could exert on the reactive core at a long range. Since the aforementioned complexes are open-shell systems, the used operational formula for the dual descriptor is that one defined for those aforementioned systems, which was then compared with spin density. In addition, dual descriptor was decomposed into two terms, each of which was also applied on every molecular system. The obtained results indicated that components of dual descriptor could become more useful than the operational formula of dual descriptor because differences exerted by the substituents at the para position were better detected by components of dual descriptor rather than the dual descriptor by itself.
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Affiliation(s)
- Jorge I Martínez-Araya
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. República 498, Santiago, Chile.
| | - Diana Yepes
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. República 498, Santiago, Chile
| | - Pablo Jaque
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. República 498, Santiago, Chile
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Orms N, Krylov AI. Modeling Photoelectron Spectra of CuO, Cu2O, and CuO2 Anions with Equation-of-Motion Coupled-Cluster Methods: An Adventure in Fock Space. J Phys Chem A 2017; 122:3653-3664. [DOI: 10.1021/acs.jpca.7b10620] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Natalie Orms
- Department of Chemistry, University of Southern California, Los Angeles, California 90089-0482, United States
| | - Anna I. Krylov
- Department of Chemistry, University of Southern California, Los Angeles, California 90089-0482, United States
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Bae GT. Structures and Electronic Properties of Cu 3O n( n = 1-6) Clusters using ab initioMonte Carlo Simulations. B KOREAN CHEM SOC 2016. [DOI: 10.1002/bkcs.10735] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Gyun-Tack Bae
- Department of Chemistry Education; Chungbuk National University; Cheongju 361-763 Korea
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11
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Cooper GA, Kartouzian A, Gentleman AS, Iskra A, van Wijk R, Mackenzie SR. Dissociation energies of Ag–RG (RG = Ar, Kr, Xe) and AgO molecules from velocity map imaging studies. J Chem Phys 2015; 143:124302. [DOI: 10.1063/1.4931486] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Graham A. Cooper
- Physical and Theoretical Chemistry Laboratory, Oxford Chemistry, South Parks Road, Oxford OX1 3QZ, United Kingdom
| | - Aras Kartouzian
- Physical and Theoretical Chemistry Laboratory, Oxford Chemistry, South Parks Road, Oxford OX1 3QZ, United Kingdom
- Department of Physical Chemistry, Catalysis Research Center, Technische Universität München, Lichtenbergstr. 4, 85748 Garching, Germany
| | - Alexander S. Gentleman
- Physical and Theoretical Chemistry Laboratory, Oxford Chemistry, South Parks Road, Oxford OX1 3QZ, United Kingdom
| | - Andreas Iskra
- Physical and Theoretical Chemistry Laboratory, Oxford Chemistry, South Parks Road, Oxford OX1 3QZ, United Kingdom
| | - Robert van Wijk
- Physical and Theoretical Chemistry Laboratory, Oxford Chemistry, South Parks Road, Oxford OX1 3QZ, United Kingdom
| | - Stuart R. Mackenzie
- Physical and Theoretical Chemistry Laboratory, Oxford Chemistry, South Parks Road, Oxford OX1 3QZ, United Kingdom
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12
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Pruitt CJM, Goebbert DJ. Experimental and Theoretical Study of the Decomposition of Copper Nitrate Cluster Anions. J Phys Chem A 2015; 119:4755-62. [DOI: 10.1021/acs.jpca.5b02467] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Carrie Jo M. Pruitt
- Department of Chemistry, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Daniel J. Goebbert
- Department of Chemistry, The University of Alabama, Tuscaloosa, Alabama 35487, United States
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13
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Dolg M, Cao X. Relativistic pseudopotentials: their development and scope of applications. Chem Rev 2011; 112:403-80. [PMID: 21913696 DOI: 10.1021/cr2001383] [Citation(s) in RCA: 232] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Michael Dolg
- Theoretical Chemistry, University of Cologne, Greinstrasse 4, 50939 Cologne, Germany.
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Bae GT, Dellinger B, Hall RW. Density functional calculation of the structure and electronic properties of Cu(n)O(n) (n = 1-8) clusters. J Phys Chem A 2011; 115:2087-95. [PMID: 21361346 DOI: 10.1021/jp104177q] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Ab initio simulations and calculations were used to study the structures and stabilities of copper oxide clusters, Cu(n)O(n) (n = 1-8). The lowest energy structures of neutral and charged copper oxide clusters were determined using primarily the B3LYP/LANL2DZ model chemistry. For n ≥ 4, the clusters are nonplanar. Selected electronic properties including atomization energies, ionization energies, electron affinities, and Bader charges were calculated and examined as a function of n.
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Affiliation(s)
- Gyun-Tack Bae
- Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70808, USA
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15
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Zhuang X, Frey SE, Steimle TC. Permanent electric dipole moment of copper monoxide, CuO. J Chem Phys 2010; 132:234312. [DOI: 10.1063/1.3455210] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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16
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Relativistic Pseudopotentials. CHALLENGES AND ADVANCES IN COMPUTATIONAL CHEMISTRY AND PHYSICS 2010. [DOI: 10.1007/978-1-4020-9975-5_6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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17
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Gong Y, Zhou M, Andrews L. Spectroscopic and Theoretical Studies of Transition Metal Oxides and Dioxygen Complexes. Chem Rev 2009; 109:6765-808. [DOI: 10.1021/cr900185x] [Citation(s) in RCA: 324] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yu Gong
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Advanced Materials Laboratory, Fudan University, Shanghai 200433, China
| | - Mingfei Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Advanced Materials Laboratory, Fudan University, Shanghai 200433, China
| | - Lester Andrews
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22901
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Cundari TR, Benson MT, Lutz ML, Sommerer SO. Effective Core Potential Approaches to the Chemistry of the Heavier Elements. REVIEWS IN COMPUTATIONAL CHEMISTRY 2007. [DOI: 10.1002/9780470125854.ch3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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Dolg M. Chapter 14 Relativistic effective core potentials. THEORETICAL AND COMPUTATIONAL CHEMISTRY 2002. [DOI: 10.1016/s1380-7323(02)80040-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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Xian H, Cao Z, Xu X, Lu X, Zhang Q. Theoretical study of low-lying electronic states of CuO and CuO−. Chem Phys Lett 2000. [DOI: 10.1016/s0009-2614(00)00834-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Steimle T, Tanimoto M, Namiki K, Saito S. The millimeter wave spectrum of silver monoxide, AgO. J Chem Phys 1998. [DOI: 10.1063/1.476196] [Citation(s) in RCA: 18] [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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Mahé L, Boughdiri SF, Barthelat JC. Electronic Structures and Energetics in the CuX and Cu2X Series (X = O, S, Se, Te, Po). J Phys Chem A 1997. [DOI: 10.1021/jp963427u] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Loïc Mahé
- Laboratoire de Physique Quantique, C.N.R.S. U.M.R. 5626, I.R.S.A.M.C., Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 4, France, and Faculté des sciences, Université de Tunis, Tunisia
| | - Salima Friha Boughdiri
- Laboratoire de Physique Quantique, C.N.R.S. U.M.R. 5626, I.R.S.A.M.C., Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 4, France, and Faculté des sciences, Université de Tunis, Tunisia
| | - Jean-Claude Barthelat
- Laboratoire de Physique Quantique, C.N.R.S. U.M.R. 5626, I.R.S.A.M.C., Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 4, France, and Faculté des sciences, Université de Tunis, Tunisia
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Chertihin GV, Andrews L, Bauschlicher CW. Reactions of Laser-Ablated Copper Atoms with Dioxygen. Infrared Spectra of the Copper Oxides CuO, OCuO, CuOCuO, and OCuOCuO and Superoxide CuOO in Solid Argon. J Phys Chem A 1997. [DOI: 10.1021/jp9701653] [Citation(s) in RCA: 71] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- George V. Chertihin
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22901
| | - Lester Andrews
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22901
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26
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Zurita S, Rubio J, Illas F, Barthelat JC. Ab initioelectronic structure of PtH+, PtH, Pt2, and Pt2H from a one‐electron pseudopotential approach. J Chem Phys 1996. [DOI: 10.1063/1.471600] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Tsipis C. Theoretical approaches to the description of the electronic structure and chemical reactivity of transition metal compounds. Coord Chem Rev 1991. [DOI: 10.1016/0010-8545(91)84002-m] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Bauschlicher CW, Partridge H, Langhoff SR. An ab initio study of the low-lying doublet states of AgO and AgS. Chem Phys 1990. [DOI: 10.1016/0301-0104(90)89006-c] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Steimle TC, Nachman DF, Fletcher DA. Laboratory measurement of the permanent electric dipole moment of gas‐phase CuO in its X 2Π state. J Chem Phys 1987. [DOI: 10.1063/1.453541] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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31
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Dolg M, Wedig U, Stoll H, Preuss H. Ab initio pseudopotential study of the first row transition metal monoxides and iron monohydride. J Chem Phys 1987. [DOI: 10.1063/1.452110] [Citation(s) in RCA: 158] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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32
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Lombardi E, Jansen L. Model analysis of ground-state dissociation energies and equilibrium separations in alkali-metal diatomic compounds. PHYSICAL REVIEW. A, GENERAL PHYSICS 1986; 33:2907-2912. [PMID: 9896997 DOI: 10.1103/physreva.33.2907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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33
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34
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Hay PJ, Martin RL. All‐electron and valence‐electron calculations on AgH, Ag2, and AgO. J Chem Phys 1985. [DOI: 10.1063/1.449729] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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35
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Andzelm J, Radzio E, Salahub DR. Model potential calculations for second‐row transition metal molecules within the local‐spin‐density method. J Chem Phys 1985. [DOI: 10.1063/1.449027] [Citation(s) in RCA: 162] [Impact Index Per Article: 4.2] [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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Illas F, Rubio J, Barthelat J. Cu as a one-electron atom: Molecular structure and dissociation energy of CuOH. Chem Phys Lett 1985. [DOI: 10.1016/0009-2614(85)80442-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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