Trygve Helgaker|Trygve Ulf Helgaker

Trygve Helgaker|Trygve Ulf Helgaker

University of Oslo - Oslo / Norway
Natural Sciences / Chemical Sciences
AD Scientific Index ID: 1871491
Universitetet i Oslo
person_outline Trygve Helgaker|Trygve Ulf Helgaker's MOST POPULAR ARTICLES
1-) Molecular electronic-structure theoryT Helgaker, P Jorgensen, J OlsenJohn Wiley & Sons, 201339252013
2-) Basis-set convergence of correlated calculations on waterT Helgaker, W Klopper, H Koch, J NogaThe Journal of chemical physics 106 (23), 9639-9646, 199724171997
3-) Basis-set convergence in correlated calculations on Ne, N2, and H2OA Halkier, T Helgaker, P Jørgensen, W Klopper, H Koch, J Olsen, ...Chemical Physics Letters 286 (3-4), 243-252, 199821591998
4-) Ab initio methods for the calculation of NMR shielding and indirect spin-spin coupling constantsT Helgaker, M Jaszunski, K RuudChemical Reviews 99, 293-352, 199917021999
5-) Excitation energies in density functional theory: An evaluation and a diagnostic testMJG Peach, P Benfield, T Helgaker, DJ TozerThe Journal of chemical physics 128 (4), 200814652008