. . "Pittner, Ji\u0159\u00ED" . . . "The potential energy curves for the twisting of tetramethyleneethane in its lowest singlet and triplet states were calculated by the state-specific two-reference Brillouin-Wigner coupled-cluster method with single and double excitations." . . "RIV/61388955:_____/01:54010025" . . . "0"^^ . "4"^^ . "RIV/61388955:_____/01:54010025!RIV/2003/AV0/A54003/N" . "P(GA203/99/D009), P(OC D9.10), Z(AV0Z4040901)" . "0"^^ . . . . "3"^^ . "1089-5639" . . . . "[36212DEC89E8]" . . . . "8" . "Huba\u010D, I." . "multireference coupled cluster; - Brillouin-Wigner; - tetramethyleneethane"@en . "3"^^ . "105" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "1354;1356" . . "State-Specific Brillouin-Wigner Multireference Coupled Cluster Study of the Singlet-Triplet Separation in the Tetramethyleneethane Diradical."@en . "Journal of Physical Chemistry. A" . "697098" . "The potential energy curves for the twisting of tetramethyleneethane in its lowest singlet and triplet states were calculated by the state-specific two-reference Brillouin-Wigner coupled-cluster method with single and double excitations."@en . . "State-Specific Brillouin-Wigner Multireference Coupled Cluster Study of the Singlet-Triplet Separation in the Tetramethyleneethane Diradical."@en . "State-Specific Brillouin-Wigner Multireference Coupled Cluster Study of the Singlet-Triplet Separation in the Tetramethyleneethane Diradical." . "Nachtigall, Petr" . . "\u010C\u00E1rsky, Petr" . . "State-Specific Brillouin-Wigner Multireference Coupled Cluster Study of the Singlet-Triplet Separation in the Tetramethyleneethane Diradical." .