return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Completed calculations for HSSSH (trisulfane)

Methods and basis sets for which an energy has been calculated. "e" indicates just an energy has been calculated. "o" indicates an optimized geometry. "v" indicates vibrational frequencies. "s" followed by a number indicates completed calculations for different states (for example s1ov). "c" followed by a number indicates completed calculations for different conformations (for example c2ov).
See the Calculated Energies page (section III.A.1) for more calculated properties.
Methods with predefined basis sets
semi-empirical PM3 c1ov
composite G1 c1e c2e
G2MP2 c1e c2e
G2 c1e c2e
G3 c1e c2e
G3B3 c1e c2e
G4 c1e c2e
CBS-Q c1e c2e

Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(D+d)Z cc-pV(T+d)Z aug-cc-pV(T+d)Z daug-cc-pVTZ
hartree fock HF c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov c1ov c2ov
density functional LSDA c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
BLYP c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov   c2ov c1ov c1ov c2ov c1ov c2ov  
B1B95 c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
B3LYP c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
B3LYPultrafine   c2ov     c1ov c2ov c2ov c2ov c2ov       c2ov c2ov c2ov c2ov c1ov c2ov        
B3PW91 c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov     c1ov c1ov c2ov c1ov c2ov  
mPW1PW91 c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
M06-2X c1ov c2ov c1ov c2ov c1ov c2o c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov  
PBEPBE c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
PBEPBEultrafine   c2ov     c2ov c2ov c2ov c2ov       c2ov c2ov c2ov c2ov c2ov        
PBE1PBE c2ov   c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov   c2ov c2ov c2ov c2ov c2ov   c1ov c2ov c1ov c2ov  
HSEh1PBE c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1o c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov  
TPSSh   c2ov c2ov c2ov c1ov c2ov c2ov c1ov c2ov c2ov   c1ov   c2ov c2ov c1ov c2ov c2ov c2ov        
wB97X-D     c1ov c2ov   c1ov c2ov   c1ov c2ov   c1ov c2ov     c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov        
B97D3   c1ov c2ov     c1ov c2ov   c1ov c2ov   c1ov c2ov   c1ov c2ov c1ov c2ov   c1ov c2ov   c1ov c2ov       c1ov c2ov
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(D+d)Z cc-pV(T+d)Z aug-cc-pV(T+d)Z daug-cc-pVTZ
Moller Plesset perturbation MP2 c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
MP2=FULL c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
MP3         c1ov c2ov   c1o c2ov         c2ov c2ov c2ov            
MP3=FULL         c1ov c2ov   c1ov c2ov         c2ov c2ov c2ov            
MP4   c1ov c2ov     c1ov c2ov       c1ov c2ov     c2ov c2ov c1ov c2ov c2ov c2ov c1ov      
MP4=FULL   c2ov     c2ov       c2ov       c2ov c2ov c2ov c2ov        
B2PLYP c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov   c2ov c2ov c2ov c2ov c1ov c2ov   c2ov c2ov  
B2PLYP=FULL c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov c2ov   c2ov c2ov c2ov c2ov c2ov        
B2PLYP=FULLultrafine         c1ov c2ov               c1ov c2ov c1ov c2ov   c1ov c2ov        
Configuration interaction CID   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov     c1ov c2ov                        
CISD   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov     c1ov c2ov                        
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(D+d)Z cc-pV(T+d)Z aug-cc-pV(T+d)Z daug-cc-pVTZ
Quadratic configuration interaction QCISD   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
QCISD(T)         c1o c2ov             c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1o c2ov c1ov c1ov c2ov c1ov c2ov  
QCISD(T)=FULL         c2ov   c2ov           c2ov c2ov c2ov c2ov        
Coupled Cluster CCD   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov   c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c1ov c2ov c1ov c2ov  
CCSD         c1ov c2ov         c2ov   c2ov c1ov c2ov c1ov c2ov c2ov c2ov c1ov c1ov c2ov c1ov c2ov  
CCSD=FULL         c2ov         c2ov   c2ov c2ov c2ov c2ov c2ov        
CCSD(T)         c1ov c2ov             c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c2ov c1ov c1ov c2ov c1ov c2ov  
CCSD(T)=FULL         c1ov c2ov             c1ov c2ov c1ov c2ov c1ov c2ov c1o c2ov c1ov c2ov c1ov c1ov c2ov c1o c2o  
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ aug-cc-pVDZ aug-cc-pVTZ cc-pV(D+d)Z cc-pV(T+d)Z aug-cc-pV(T+d)Z daug-cc-pVTZ

Methods with effective core potentials (select basis sets)
CEP-31G CEP-31G* CEP-121G CEP-121G* LANL2DZ SDD cc-pVTZ-PP aug-cc-pVTZ-PP Def2TZVPP
hartree fock HF c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov     c1ov c2ov
density functional B3LYP c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov     c1ov c2ov
PBEPBE                 c1ov c2ov
Moller Plesset perturbation MP2 c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov c1ov c2ov     c1ov c2ov

Barriers to internal rotation or inversion


Methods with predefined basis sets

Methods with standard basis sets
3-21G 6-31G* 6-31+G** cc-pVTZ aug-cc-pVTZ
hartree fock HF s1c1t1 s1c1t1 s1c1t1 s1c1t1 s1c1t1
density functional B3LYP s1c1t1 s1c1t1 s1c1t1 s1c1t1 s1c1t1
wB97X-D   s1c1t1   s1c1t1  
3-21G 6-31G* 6-31+G** cc-pVTZ aug-cc-pVTZ
Moller Plesset perturbation MP2 s1c1t1 s1c1t1 s1c1t1 s1c1t1  
B2PLYP         s1c1t1
Coupled Cluster CCSD   s1c1t1     s1c1t1
3-21G 6-31G* 6-31+G** cc-pVTZ aug-cc-pVTZ
For descriptions of the methods (AM1, HF, MP2, ...) and basis sets (3-21G, 3-21G*, 6-31G, ...) see the glossary in section I.C. Predefined means the basis set used is determined by the method.