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All results from a given calculation for NHCHSH (Methanimidothioic acid)

using model chemistry: QCISD/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/daug-cc-pVTZ
 hartrees
Energy at 0K-492.206658
Energy at 298.15K-492.210336
HF Energy-491.625331
Nuclear repulsion energy94.093527
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3504 3504 4.70      
2 A' 3098 3098 19.41      
3 A' 2720 2720 1.69      
4 A' 1668 1668 148.68      
5 A' 1398 1398 22.66      
6 A' 1220 1220 24.51      
7 A' 944 944 50.66      
8 A' 722 722 63.01      
9 A' 427 427 19.23      
10 A" 1073 1073 2.65      
11 A" 737 737 71.34      
12 A" 364 364 27.87      

Unscaled Zero Point Vibrational Energy (zpe) 8937.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8937.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/daug-cc-pVTZ
ABC
1.93194 0.20160 0.18255

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.239 1.047 0.000
C2 0.000 0.773 0.000
S3 -0.615 -0.880 0.000
H4 1.375 2.055 0.000
H5 -0.806 1.508 0.000
H6 0.601 -1.447 0.000

Atom - Atom Distances (Å)
  N1 C2 S3 H4 H5 H6
N11.26912.67401.01742.09622.5740
C21.26911.76321.88001.09082.2993
S32.67401.76323.54592.39521.3419
H41.01741.88003.54592.24813.5864
H52.09621.09082.39522.24813.2725
H62.57402.29931.34193.58643.2725

picture of Methanimidothioic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 S3 122.902 N1 C2 H5 125.144
C2 N1 H4 110.133 C2 S3 H6 94.573
S3 C2 H5 111.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability