Skip to search formSkip to main contentSkip to account menu

Koopmans' theorem

Known as: Koopman's Theorem, Koopman, Koopmann's theorem 
Koopmans' theorem states that in closed-shell Hartree–Fock theory, the first ionization energy of a molecular system is equal to the negative of the… 
Wikipedia (opens in a new tab)

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Review
2016
Review
2016
This paper compares three inter-country input-output (ICIO) databases with official statistics as well as their respective… 
2010
2010
Abstract This study examined the attitude of youths towards the use of condom. The study was carried out in Ekpoma, the… 
2005
2005
ABSTRACT We describe Lonchophylla orcesi, sp. nov., from the Chocó, a region of high biotic diversity, endemism, and rainfall… 
2003
2003
[PDF] [Full Text] [Abstract] , May , 2010; 108 (5): 1410-1416. J Appl Physiol J. M. Dickinson, J. D. Lee, B. E. Sullivan, M. P… 
2002
2002
I. Otologic Surgery Tympanostomy Tubes and Related Procedures- Charles D. Bluestone Approaches to the Middle Ear and Mastoid… 
1999
1999
The Global Ozone Monitoring Experiment (GOME) onboard the ERS-2 satellite has been in operation since July 1995. The Norwegian… 
1998
1998
Many HIV vaccine trials have been proposed to evaluate susceptibility of individuals. However, vac cines may also affect an… 
Review
1995
Review
1995
Tonatia bidens has a broad distribution in Central and South America; the only extant form is monotypic. Our analysis reveals two… 
1991
1991
Grammatical relations have always constituted a primary focus of attention in the study of language. Within the last three… 
1973
1973
This paper describes and discusses some search problems, starting with the case of no false contacts, to provide a foundation for…