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Volumn 2, Issue 5, 2006, Pages 1282-1290

Geometries of transition-metal complexes from density-functional theory

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Indexed keywords


EID: 33846036656     PISSN: 15499618     EISSN: None     Source Type: Journal    
DOI: 10.1021/ct6001187     Document Type: Article
Times cited : (589)

References (99)
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    • re is the equilibrium distance between the positions of the nuclei on the potential energy surface, ra is the effective internuclear distance as derived from electron scattering intensities, rα is the distance between average nuclear positions in the thermal equilibrium at temperature T, rz is the distance between average nuclear positions in the ground vibrational state, r0 is the effective internuclear distance obtained from the rotational constants, rav and rg are the average internuclear distance at temperature T; see e.g, Hargittai, I. In Stereochemical Applications of Gas-Phase Electron Diffraction, Part A: The Electron Diffraction Technique; Hargittai, I, Hargittai, M, Eds, VCH Publisher: Weinheim, 1988; pp 1-54
    • g are the average internuclear distance at temperature T; see e.g.: Hargittai, I. In Stereochemical Applications of Gas-Phase Electron Diffraction, Part A: The Electron Diffraction Technique; Hargittai, I., Hargittai, M., Eds.; VCH Publisher: Weinheim, 1988; pp 1-54.
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    • Very similar GED data in (b) Oberhammer, H.; Strähle, J. Z. Naturforsch. 1975, 30a, 296-303.
    • Very similar GED data in (b) Oberhammer, H.; Strähle, J. Z. Naturforsch. 1975, 30a, 296-303.
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    • Assuming equal CC bond lengths: (a) Chiu, N.-S.; Schäfer, L. J. Organomet. Chem. 1975, 101, 331-346.
    • Assuming equal CC bond lengths: (a) Chiu, N.-S.; Schäfer, L. J. Organomet. Chem. 1975, 101, 331-346.
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    • Similar CrC distances (with somewhat larger uncertainties) have been inferred from microwave studies: (b) Sickafoose, S. M.; Breckenridge, S. M.; Kukolich, S. G. Inorg. Chem. 1994, 33, 5176-5179.
    • Similar CrC distances (with somewhat larger uncertainties) have been inferred from microwave studies: (b) Sickafoose, S. M.; Breckenridge, S. M.; Kukolich, S. G. Inorg. Chem. 1994, 33, 5176-5179.
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    • For evidence for alternating CC bonds see e.g. (c) Kukolich, S. G. J. Am. Chem. Soc. 1995, 117, 5512-5514.
    • For evidence for alternating CC bonds see e.g. (c) Kukolich, S. G. J. Am. Chem. Soc. 1995, 117, 5512-5514.
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    • N) distances.
    • N) distances.
  • 64
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    • α(CC) = 1.423(2) Å from ree rotation model.
    • α(CC) = 1.423(2) Å from ree rotation model.
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    • MW: Kukoloch, S. G.; Sickafoose, S. M. J. Chem. Phys. 1996, 105, 3466-3471.
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    • ax) have not been used because of large uncertainties in both studies.
    • ax) have not been used because of large uncertainties in both studies.
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    • A similar distance with a larger uncertainty has been determined independently: (b) Marriott, J. C.; Salthouse, J. A.; Ware, M. J. J. Chem. Soc., Chem. Commun. 1970, 595-596.
    • A similar distance with a larger uncertainty has been determined independently: (b) Marriott, J. C.; Salthouse, J. A.; Ware, M. J. J. Chem. Soc., Chem. Commun. 1970, 595-596.
  • 78
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    • 0 value: Grotjahn, D. B.; Halfen, D. T.; Ziurys, L. M.; Cocksy, A. L. J. Am. Chem. Soc. 2004, 126, 12621-12627.
    • 0 value: Grotjahn, D. B.; Halfen, D. T.; Ziurys, L. M.; Cocksy, A. L. J. Am. Chem. Soc. 2004, 126, 12621-12627.
  • 79
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    • 0 value: Grotjahn, D. B.; Brewster, M. A.; Ziurys, L. M. J. Am. Chem. Soc. 2002, 124, 5895-5901.
    • 0 value: Grotjahn, D. B.; Brewster, M. A.; Ziurys, L. M. J. Am. Chem. Soc. 2002, 124, 5895-5901.
  • 81
    • 33846282128 scopus 로고    scopus 로고
    • Defined, e.g, in eqs 2 and 3 in ref 1
    • Defined, e.g., in eqs 2 and 3 in ref 1.
  • 90
    • 33846305531 scopus 로고    scopus 로고
    • Computed at BP86/AE1; specific values for the compounds of this study are collected in Table S2 of the Supporting Information (9 complexes with 15 bonds in total). Here, the computed zero-point corrections to bond distances range from 0 to +0.4 pm for metal-ligand single bonds and from +0.6 to +0.7 pm for metal-carbon distances involving π-bonded ligands. Unfortunately, computation of these corrections for all molecules of the test set would be a formidable task beyond the scope of the present paper.
    • Computed at BP86/AE1; specific values for the compounds of this study are collected in Table S2 of the Supporting Information (9 complexes with 15 bonds in total). Here, the computed zero-point corrections to bond distances range from 0 to +0.4 pm for metal-ligand single bonds and from +0.6 to +0.7 pm for metal-carbon distances involving π-bonded ligands. Unfortunately, computation of these corrections for all molecules of the test set would be a formidable task beyond the scope of the present paper.
  • 91
    • 33846268901 scopus 로고    scopus 로고
    • Further, minor improvements for the correlated ab initio methods are brought about by basis sets augmented with diffuse and core-polarization functions, cf. ref 2. For the same set as employed in ref 1, we obtain mean and standard deviations of 0.7 and 0.6 pm, respectively, at TPSS/cc-pVQZ.
    • Further, minor improvements for the correlated ab initio methods are brought about by basis sets augmented with diffuse and core-polarization functions, cf. ref 2. For the same set as employed in ref 1, we obtain mean and standard deviations of 0.7 and 0.6 pm, respectively, at TPSS/cc-pVQZ.
  • 92
    • 33846304024 scopus 로고    scopus 로고
    • At BP86/AE1, only linear minima could be located for all dihalides; thus all subsequent computations were done in D∞h symmetry
    • ∞h symmetry.
  • 93
    • 33846317203 scopus 로고    scopus 로고
    • e values in coordinatively unsaturated diatomics involving first-row transition-metal atoms (including multiply bonded metal dimers), LSDA performs better than GGA or meta-GGA, and the quality of the results deteriorates upon inclusion of Hartree-Fock exchange, cf ref 7.
    • e values in coordinatively unsaturated diatomics involving first-row transition-metal atoms (including multiply bonded metal dimers), LSDA performs better than GGA or meta-GGA, and the quality of the results deteriorates upon inclusion of Hartree-Fock exchange, cf ref 7.


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