Citation: Imb. Nielsen, AB-INITIO STUDY OF AZIRIDINES AND DIAZIRIDINES - NITROGEN INVERSION, RING-OPENING, AND THERMOCHEMISTRY, The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, 102(18), 1998, pp. 3193-3201
Citation: Cl. Janssen et Imb. Nielsen, NEW DIAGNOSTICS FOR COUPLED-CLUSTER AND MOLLER-PLESSET PERTURBATION-THEORY, Chemical physics letters, 290(4-6), 1998, pp. 423-430
Authors:
COLVIN ME
JANSSEN CL
SEIDL ET
NIELSEN IMB
MELIUS CF
Citation: Me. Colvin et al., ENERGIES, RESONANCE AND UHF INSTABILITIES IN POLYCYCLIC AROMATIC-HYDROCARBONS AND LINEAR POLYENES, Chemical physics letters, 287(5-6), 1998, pp. 537-541
Authors:
HALKIER A
KOCH H
JORGENSEN P
CHRISTIANSEN O
NIELSEN IMB
HELGAKER T
Citation: A. Halkier et al., A SYSTEMATIC AB-INITIO STUDY OF THE WATER DIMER IN HIERARCHIES OF BASIS-SETS AND CORRELATION MODELS, Theoretical chemistry accounts, 97(1-4), 1997, pp. 150-157
Authors:
NIELSEN IMB
ALLEN WD
CSASZAR AG
SCHAEFER HF
Citation: Imb. Nielsen et al., TOWARD RESOLUTION OF THE SILICON DICARBIDE (SIC2) SAGA - AB-INITIO EXCURSIONS IN THE WEB OF POLYTOPISM, The Journal of chemical physics, 107(4), 1997, pp. 1195-1211
Authors:
COLVIN ME
SEIDL ET
NIELSEN IMB
LEBUI L
HATCH FT
Citation: Me. Colvin et al., DEPROTONATION AND HYDRIDE SHIFTS IN NITRENIUM AND IMINIUM FORMS OF AMINOIMIDAZOLE-AZAARENE MUTAGENS, Chemico-biological interactions, 108(1-2), 1997, pp. 39-66
Citation: Imb. Nielsen, A NEW DIRECT MP2 GRADIENT ALGORITHM WITH IMPLEMENTATION ON A MASSIVELY-PARALLEL COMPUTER, Chemical physics letters, 255(1-3), 1996, pp. 210-216
Citation: Imb. Nielsen et Et. Seidl, PARALLEL DIRECT IMPLEMENTATIONS OF 2ND-ORDER PERTURBATION THEORIES, Journal of computational chemistry, 16(10), 1995, pp. 1301-1313