메뉴 건너뛰기




Volumn 109, Issue 13, 2005, Pages 3067-3077

Accurate calculation of the heats of formation for large main group compounds with spin-component scaled MP2 methods

Author keywords

[No Author keywords available]

Indexed keywords

APPROXIMATION THEORY; DATA REDUCTION; ERROR ANALYSIS; PERTURBATION TECHNIQUES; PROBABILITY DENSITY FUNCTION; THERMODYNAMICS;

EID: 17044425000     PISSN: 10895639     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp050036j     Document Type: Article
Times cited : (248)

References (55)
  • 1
    • 17044363482 scopus 로고    scopus 로고
    • ACS Symposium Series 677; American Chemical Society: Washington, DC
    • Computational Thermochemistry; Irikura, K. K., Frurip, D. J., Eds.; ACS Symposium Series 677; American Chemical Society: Washington, DC, 1998.
    • (1998) Computational Thermochemistry
    • Irikura, K.K.1    Frurip, D.J.2
  • 12
    • 0001168806 scopus 로고    scopus 로고
    • von Rague-Schleyer, P., Ed.; J. Wiley: New York
    • Cremer, D. In Encyclopedia of Computational Chemisty; von Rague-Schleyer, P., Ed.; J. Wiley: New York, 1998; Vol. 3, p 1706.
    • (1998) Encyclopedia of Computational Chemisty , vol.3 , pp. 1706
    • Cremer, D.1
  • 29
    • 17044374312 scopus 로고    scopus 로고
    • note
    • The TZV2P basis sets read in standard notation: H, [3s2p]; Li-F, [5s3p2d]; Na-Mg, [5s4p2d]; Al-Cl, [5s5p2d]. The QZV3P basis set contractions are: H, [4s3p2d]; Li, [6s4p3d2f]; Be-F, [7s4p3d2f]; Na-Mg, [9s5p3d2f]; Al-Cl, [9s6p3d2f]. The exponents of the polarization/correlation functions have been taken from Dunnings cc-pVTZ and cc-pVQZ basis sets, respectively.
  • 32
    • 17044398478 scopus 로고    scopus 로고
    • note
    • All correlation energies are obtained in the frozen-core approximation. This also holds for systems with Li-Be and Na-Mg atoms for which only one and two electrons, respectively, are included in the MP2-type treatments.
  • 35
    • 17044368676 scopus 로고    scopus 로고
    • note
    • Although the TZV2P and QZV3P basis sets are not complete in a sense that the functions with highest angular momentum from the cc-pVTZ and cc-pVQZ sets have been discarded, we use as cardinal numbers X in the extrapolation procedure values of three and four, respectively, for TZV2P and QZV3P.
  • 40
    • 4043127751 scopus 로고    scopus 로고
    • The basis sets are available from the TURBOMOLE homepage via the FTP server button (in the subdirectories basen, jbasen, and cbasen). See http://www.turbomole.com.
    • Turbomole Homepage
  • 50
    • 17044397635 scopus 로고    scopus 로고
    • note
    • 6, azulene, naphthalene) are included in our second test set.
  • 53
    • 17044432582 scopus 로고    scopus 로고
    • note
    • Without the atomic corrections, the MAD for the 02/97' set are 4.2 (SCS-MP2), 6.7 (SOS-MP2), 6.3 (MP2), and 5.2 (B3LYP) kcal/mol, respectively. This supports the common (but misleading) view that DFT is more accurate than MP2 for energetic properties. The difference of our B3LYP value compared to the often cited MAD of about 3 kcal/mol results from error cancellation effects due to small AO basis sets, differently adjusted scaling factors for ZPVE, and the twelve additional molecules considered here.
  • 54
    • 17044382885 scopus 로고    scopus 로고
    • note
    • A hybrid functional on the basis of TPSS and including 25% HF exchange (instead of 10%) performs very similar to PBE0.
  • 55
    • 17044411214 scopus 로고    scopus 로고
    • note
    • 0 (298, exp) = -24.3).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.