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Article: Highly accurate CCSD(R12) and CCSD(F12) optical response properties using standard triple-ζ basis sets
Title | Highly accurate CCSD(R12) and CCSD(F12) optical response properties using standard triple-ζ basis sets |
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Authors | |
Issue Date | 2009 |
Publisher | American Institute of Physics. The Journal's web site is located at http://jcp.aip.org/jcp/staff.jsp |
Citation | Journal of Chemical Physics, 2009, v. 131 n. 7, article no. 074102 How to Cite? |
Abstract | Coupled-cluster response theory for frequency-dependent optical properties within the coupled-cluster singles-and-doubles model (CCSD) has been derived and implemented for ansatz 2 of the explicitly correlated CCSD(R12) and CCSD(F12) methods as part of the program package DALTON. The basis set convergence of static dipole moments, polarizabilities, and parallel averages of first and second hyperpolarizabilities has been investigated for Ne, BH, N2, CO, and BF. The frequency-dependent results are presented for the electronic second-harmonic generation of N2. With triple-ζ basis sets, the CCSD(F12) correlation contributions using ansatz 2 are close to the basis set limits for dipole moments and second hyperpolarizabilities; the CCSD(R12) results are better than the CCSD results obtained with at least quintuple- ζ basis sets for polarizabilities and first hyperpolarizabilities. The exponent of Slater-type correlation factor for CCSD(F12) ground state energy may not be optimal and has to be re-examined for response properties. We also suggest that the remaining one-electron basis set errors arising within the coupled-cluster singles should be reduced by allowing excitations into the auxiliary orbital space. © 2009 American Institute of Physics. |
Persistent Identifier | http://hdl.handle.net/10722/230836 |
ISSN | 2023 Impact Factor: 3.1 2023 SCImago Journal Rankings: 1.101 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Yang, Jun | - |
dc.contributor.author | Hättig, Christof | - |
dc.date.accessioned | 2016-09-01T06:06:55Z | - |
dc.date.available | 2016-09-01T06:06:55Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Journal of Chemical Physics, 2009, v. 131 n. 7, article no. 074102 | - |
dc.identifier.issn | 0021-9606 | - |
dc.identifier.uri | http://hdl.handle.net/10722/230836 | - |
dc.description.abstract | Coupled-cluster response theory for frequency-dependent optical properties within the coupled-cluster singles-and-doubles model (CCSD) has been derived and implemented for ansatz 2 of the explicitly correlated CCSD(R12) and CCSD(F12) methods as part of the program package DALTON. The basis set convergence of static dipole moments, polarizabilities, and parallel averages of first and second hyperpolarizabilities has been investigated for Ne, BH, N2, CO, and BF. The frequency-dependent results are presented for the electronic second-harmonic generation of N2. With triple-ζ basis sets, the CCSD(F12) correlation contributions using ansatz 2 are close to the basis set limits for dipole moments and second hyperpolarizabilities; the CCSD(R12) results are better than the CCSD results obtained with at least quintuple- ζ basis sets for polarizabilities and first hyperpolarizabilities. The exponent of Slater-type correlation factor for CCSD(F12) ground state energy may not be optimal and has to be re-examined for response properties. We also suggest that the remaining one-electron basis set errors arising within the coupled-cluster singles should be reduced by allowing excitations into the auxiliary orbital space. © 2009 American Institute of Physics. | - |
dc.language | eng | - |
dc.publisher | American Institute of Physics. The Journal's web site is located at http://jcp.aip.org/jcp/staff.jsp | - |
dc.relation.ispartof | Journal of Chemical Physics | - |
dc.rights | Copyright 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Chemical Physics, 2009, v. 131 n. 7, article no. 074102 and may be found at https://doi.org/10.1063/1.3204388 | - |
dc.title | Highly accurate CCSD(R12) and CCSD(F12) optical response properties using standard triple-ζ basis sets | - |
dc.type | Article | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1063/1.3204388 | - |
dc.identifier.scopus | eid_2-s2.0-69249181243 | - |
dc.identifier.volume | 131 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | article no. 074102 | - |
dc.identifier.epage | article no. 074102 | - |
dc.identifier.isi | WOS:000269287200002 | - |
dc.identifier.issnl | 0021-9606 | - |