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Volumn 109, Issue 9, 2005, Pages 3707-3710

Computing kinetic isotope effects for chorismate mutase with high accuracy. A new DFT/MM strategy

Author keywords

[No Author keywords available]

Indexed keywords

BOND CLEAVAGE; DENSITY FUNCTION THEORY (DFT); QUANTUM REGION; TRANSITION STATE (TS);

EID: 15544388511     PISSN: 15206106     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp044387u     Document Type: Article
Times cited : (28)

References (18)
  • 7
    • 15544365512 scopus 로고    scopus 로고
    • note
    • In the notation of Morokuma and co-workers: SModel = core, IModel = core+shell, and Real = core+shell+env.
  • 8
    • 15544380217 scopus 로고    scopus 로고
    • note
    • As a note of efficiency, during the relaxation of the complementary space (the key difference between the standard DFT/MM method and our new approach DFT:AM1/MM) a gradient cycle of calculation of our molecular model requires, on average, ca. 164.5 s at B3LYP(6-31G*)/MM level, whereas it only takes 0.4 s at the B3LYP(6-31G*):AM1/MM level. Obviously, a Hessian cycle takes more or less the same computational cost in both methods. The test has been carried out in a SGI-Altix Itanium-2 (1.5 GHz).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.