Relativistic quantum chemistry: the multiconfigurational approachROOS, Björn O; MALMQVIST, Per-Ake.PCCP. Physical chemistry chemical physics (Print). 2004, Vol 6, Num 11, pp 2919-2927, issn 1463-9076, 9 p.Article

How accurate is the CASPT2 method?AZIZI, Zahra; ROOS, Björn O; VERYAZOV, Valera et al.PCCP. Physical chemistry chemical physics (Print). 2006, Vol 8, Num 23, pp 2727-2732, issn 1463-9076, 6 p.Article

The restricted active space (RAS) state interaction approach with spin-orbit couplingMALMQVIST, Per Ake; ROOS, Björn O; SCHIMMELPFENNIG, Bernd et al.Chemical physics letters. 2002, Vol 357, Num 3-4, pp 230-240, issn 0009-2614Article

Exploring the actinide-actinide bond : Theoretical studies of the chemical bond in Ac₂, Th₂, Pa₂, and U₂ROOS, Björn O; MALMQVIST, Per-Ake; GAGLIARDI, Laura et al.Journal of the American Chemical Society. 2006, Vol 128, Num 51, pp 17000-17006, issn 0002-7863, 7 p.Article

Ground state structure of CuO₂ : a CASPT2 studyHASEGAWA, Jun-Ya; PIERLOOT, Kristine; ROOS, Björn O et al.Chemical physics letters. 2001, Vol 335, Num 5-6, pp 503-509, issn 0009-2614Article

A very short uranium-uranium bond : The predicted metastable U²⁺2GAGLIARDI, Laura; PVVKKÖ, Pekka; ROOS, Bjorn O et al.PCCP. Physical chemistry chemical physics (Print). 2005, Vol 7, Num 12, pp 2415-2417, issn 1463-9076, 3 p.Article

The coordination of uranyl in water : A combined quantum chemical and molecular simulation studyHAGBERG, Daniel; KARLSTRÖM, Gunnar; ROOS, Björn O et al.Journal of the American Chemical Society. 2005, Vol 127, Num 41, pp 14250-14256, issn 0002-7863, 7 p.Article

MOLCAS: A program package for computational chemistryKARLSTRÖM, Gunnar; LINDH, Roland; SEIJO, Luis et al.Computational materials science. 2003, Vol 28, Num 2, pp 222-239, issn 0927-0256, 18 p.Conference Paper