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Theoretical study o...
Theoretical study of PbO and the PbO anion
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Ilias, M (författare)
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Jensen, H J A (författare)
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Kello, V (författare)
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- Roos, Björn (författare)
- Lund University,Lunds universitet,Beräkningskemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Computational Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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Urban, M (författare)
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- Engelska.
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Ingår i: Chemical Physics Letters. - : Elsevier BV. - 0009-2614. ; 408:4-6, s. 210-215
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- PbO and PbO- were studied utilizing CCSD(T), CASSCF/CASPT2, and the Fock Space FSCCSD methods. Relativistic effects were treated by the spin-free, two-component infinite-order Douglas-Kroll-Hess, Dirac-Coulomb and the restricted active space state interaction RASSI-SO methods. Our adiabatic electron affinity (EA), 0.696 eV, agrees favorably with experiment (0.714 eV). Theoretical dissociation energies D-e of PbO and PbO- (3.91 and 3.20 eV) differ from experiment by 0.04 and 0.07 eV, respectively. The electron correlation, relativistic scalar and spin-orbit effects are crucial for obtaining good agreement of theoretical and experimental data for EA and D-e. Equilibrium bond distance and vibrational frequency are less sensitive to SO effects. (c) 2005 Elseiver B.V. All rights reserved.
Ämnesord
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
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