return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Comparison of experiment and theory for rLiS

18 10 23 14 56
Species with coordinate rLiS
Species Name
LiS Lithium monosulfide
The small prefix is the number of bonds with completed calculations.
Click on an entry for a histogram of the difference distribution.
rms differences (calculated - experiment) in Å
Methods with predefined basis sets
semi-empirical AM1 1 0.189
PM3 1 0.054
PM6 1 0.063
composite G2 1 0.048
G3 1 0.048
G3B3 1 0.035
G4 1 0.021
CBS-Q 1 0.048

rms differences (calculated - experiment) in Å
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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z aug-cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ
hartree fock HF 1 0.139 1 0.091 1 0.069 1 0.094 1 0.047 1 0.047 1 0.049 1 0.021 1 0.021 1 0.027   1 0.042 1 0.050 1 0.017 1 0.017 1 0.043 1 0.020 1 0.018 1 0.017 1 0.019 1 0.016 1 0.020
ROHF   1 0.090 1 0.068 1 0.092 1 0.045 1 0.045 1 0.047 1 0.020 1 0.020     1 0.041 1 0.048 1 0.016 1 0.016 1 0.042 1 0.018 1 0.016 1 0.016 1 0.018 1 0.015  
density functional LSDA 1 0.135 1 0.038 1 0.038 1 0.053 1 0.014 1 0.014 1 0.017 1 0.011 1 0.011 1 0.010   1 0.011 1 0.017 1 0.018   1 0.005 1 0.017   1 0.018 1 0.018 1 0.019  
BLYP 1 0.115 1 0.074 1 0.057 1 0.077 1 0.039 1 0.039 1 0.046 1 0.020 1 0.020 1 0.020   1 0.039 1 0.040 1 0.013         1 0.012 1 0.014 1 0.012  
B1B95 1 0.130   1 0.050 1 0.070 1 0.028 1 0.028 1 0.032 1 0.005 1 0.005 1 0.009   1 0.026 1 0.033 1 0.000         1 0.001   1 0.001  
B3LYP 1 0.130 1 0.067 1 0.049 1 0.068 1 0.029 1 0.029 1 0.034 1 0.008 1 0.008 1 0.009   1 0.028 1 0.030 1 0.001 1 0.000 1 0.029 1 0.003 1 0.002 1 0.001 1 0.003 1 0.000  
B3LYPultrafine   1 0.067     1 0.029 1 0.029 1 0.034 1 0.007       1 0.028 1 0.030 1 0.001   1 0.029 1 0.003   1 0.001 1 0.003 1 0.000  
B3PW91 1 0.125 1 0.077 1 0.058 1 0.077 1 0.035 1 0.035 1 0.037 1 0.009 1 0.009 1 0.015   1 0.032 1 0.038 1 0.005         1 0.004 1 0.005 1 0.003  
mPW1PW91 1 0.129 1 0.074 1 0.055 1 0.074 1 0.032 1 0.032 1 0.035 1 0.005 1 0.005 1 0.012   1 0.028 1 0.035 1 0.001   1 0.030 1 0.002   1 0.000 1 0.001 1 0.001  
M06-2X 1 0.140 1 0.061 1 0.043 1 0.064 1 0.026 1 0.026 1 0.029 1 0.003 1 0.003 1 0.008 1 0.002 1 0.022 1 0.030 1 0.001   1 0.026 1 0.000   1 0.002 1 0.000 1 0.002  
PBEPBE 1 0.116 1 0.077 1 0.060 1 0.078 1 0.038 1 0.038 1 0.042 1 0.015 1 0.015 1 0.017   1 0.035 1 0.040 1 0.008   1 0.037 1 0.009   1 0.007 1 0.008 1 0.006  
PBEPBEultrafine   1 0.077     1 0.038 1 0.038 1 0.042 1 0.014       1 0.035 1 0.040 1 0.007   1 0.037 1 0.009   1 0.007 1 0.008 1 0.006  
PBE1PBE 1 0.131   1 0.052 1 0.072 1 0.030 1 0.030 1 0.032 1 0.004 1 0.004 1 0.009   1 0.025 1 0.033 1 0.001   1 0.027 1 0.000   1 0.002 1 0.001 1 0.003  
HSEh1PBE 1 0.130 1 0.072 1 0.053 1 0.073 1 0.031 1 0.031 1 0.033 1 0.005 1 0.005 1 0.010   1 0.027 1 0.034 1 0.000   1 0.028 1 0.001   1 0.001 1 0.001 1 0.001  
TPSSh   1 0.079 1 0.060 1 0.078 1 0.036 1 0.036 1 0.038 1 0.010       1 0.033 1 0.040 1 0.006   1 0.035 1 0.007   1 0.005 1 0.007 1 0.005  
wB97X-D     1 0.066   1 0.049   1 0.052   1 0.035     1 0.049 1 0.052 1 0.031     1 0.032          
B97D3   1 0.085     1 0.056   1 0.060   1 0.043   1 0.039 1 0.058   1 0.038     1 0.034         1 0.034
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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z aug-cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ
Moller Plesset perturbation MP2 1 0.132 1 0.099 1 0.066 1 0.109   1 0.040 1 0.043   1 0.008 1 0.029   1 0.038 1 0.056 1 0.022 1 0.021 1 0.062 1 0.029 1 0.024 1 0.022 1 0.028 1 0.020  
MP2=FULL 1 0.132 1 0.099 1 0.065 1 0.109 1 0.036 1 0.036 1 0.037 1 0.002 1 0.002 1 0.004   1 0.036 1 0.053 1 0.006 1 0.004 1 0.026 1 0.003 1 0.004 1 0.004 1 0.001 1 0.008  
ROMP2 1 0.133   1 0.065 1 0.109 1 0.039 1 0.039 1 0.042 1 0.007 1 0.007 1 0.029   1 0.037 1 0.056 1 0.022   1 0.061     1 0.021 1 0.028 1 0.020  
MP3         1 0.038   1 0.040         1 0.036 1 0.055 1 0.019         1 0.019 1 0.025 1 0.018  
MP3=FULL         1 0.033   1 0.034         1 0.035 1 0.052 1 0.003         1 0.001 1 0.002 1 0.006  
MP4   1 0.103     1 0.041       1 0.007     1 0.039 1 0.058 1 0.021   1 0.065 1 0.028   1 0.021 1 0.028 1 0.020  
MP4=FULL   1 0.103     1 0.036       1 0.001       1 0.055 1 0.005   1 0.025 1 0.002   1 0.003 1 0.000 1 0.008  
B2PLYP 1 0.131 1 0.075 1 0.050 1 0.080 1 0.030 1 0.030 1 0.034 1 0.004 1 0.004 1 0.013   1 0.027 1 0.036 1 0.005   1 0.036 1 0.009   1 0.005 1 0.008 1 0.004  
B2PLYP=FULL 1 0.131 1 0.075 1 0.050 1 0.079 1 0.029 1 0.029 1 0.032 1 0.002 1 0.002 1 0.005   1 0.027 1 0.035 1 0.000   1 0.026 1 0.001   1 0.001 1 0.000 1 0.000  
B2PLYP=FULLultrafine         1 0.029               1 0.035 1 0.000     1 0.001          
Configuration interaction CID   1 0.101 1 0.065 1 0.113 1 0.038     1 0.004                     1 0.016 1 0.021 1 0.015  
CISD   1 0.103 1 0.067 1 0.115 1 0.039     1 0.005                     1 0.016 1 0.022 1 0.015  
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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z aug-cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ
Quadratic configuration interaction QCISD   1 0.105 1 0.069 1 0.118 1 0.041 1 0.041 1 0.043 1 0.006 1 0.006 1 0.027   1 0.039 1 0.057 1 0.019   1 0.062 1 0.025   1 0.018 1 0.024 1 0.017  
QCISD(T)         1 0.042             1 0.041 1 0.059 1 0.021   1 0.066 1 0.028   1 0.021 1 0.028 1 0.020  
QCISD(T)=FULL         1 0.037   1 0.040           1 0.056 1 0.005 1 0.001 1 0.026 1 0.002 1 0.002        
QCISD(TQ)         1 0.042   1 0.045           1 0.059 1 0.021 1 0.019 1 0.066 1 0.028 1 0.022 1 0.020 1 0.028 1 0.019  
QCISD(TQ)=FULL         1 0.037   1 0.039           1 0.056 1 0.004 1 0.001 1 0.026 1 0.001 1 0.001 1 0.002 1 0.000 1 0.008  
Coupled Cluster CCD   1 0.102 1 0.066 1 0.114 1 0.038 1 0.038 1 0.040 1 0.004 1 0.004 1 0.026   1 0.037 1 0.055 1 0.018   1 0.061 1 0.024   1 0.017 1 0.023 1 0.016  
CCSD         1 0.040             1 0.039 1 0.056 1 0.019 1 0.016 1 0.062 1 0.025 1 0.019 1 0.018 1 0.024 1 0.017  
CCSD=FULL         1 0.035             1 0.038 1 0.054 1 0.002 1 0.001 1 0.022 1 0.001 1 0.002 1 0.001 1 0.003 1 0.006  
CCSD(T)         1 0.042             1 0.041 1 0.059 1 0.021 1 0.019 1 0.066 1 0.028 1 0.022 1 0.020 1 0.028 1 0.019  
CCSD(T)=FULL         1 0.037             1 0.040 1 0.056 1 0.004 1 0.001 1 0.026 1 0.001 1 0.001 1 0.002 1 0.000 1 0.008  
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 cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z aug-cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ

rms differences (calculated - experiment) in Å
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 1 0.111 1 0.064 1 0.060 1 0.023 1 0.108 1 0.095     1 0.024
density functional B3LYP 1 0.111 1 0.066 1 0.066 1 0.030 1 0.090 1 0.074     1 0.014
PBEPBE                 1 0.018
Moller Plesset perturbation MP2 1 0.131 1 0.067 1 0.077 1 0.016 1 0.112 1 0.104     1 0.027
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.