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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-489.550156
Energy at 298.15K-489.554057
HF Energy-489.202621
Nuclear repulsion energy93.815099
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/3-21G*
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' 3626 3485 37.65      
2 A' 3496 3360 91.22      
3 A' 3087 2966 21.98      
4 A' 1714 1648 118.12      
5 A' 1502 1444 136.18      
6 A' 1311 1260 255.16      
7 A' 1195 1148 20.73      
8 A' 884 849 16.74      
9 A' 447 429 2.09      
10 A" 994 956 24.83      
11 A" 686 659 129.21      
12 A" 525 505 201.55      

Unscaled Zero Point Vibrational Energy (zpe) 9733.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9354.5 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/3-21G*
ABC
2.06088 0.19855 0.18110

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.642 0.000
S2 -0.785 -0.811 0.000
N3 1.344 0.825 0.000
H4 -0.559 1.584 0.000
H5 1.957 0.013 0.000
H6 1.759 1.751 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.65181.35621.09522.05552.0794
S21.65182.68502.40552.86323.6108
N31.35622.68502.04901.01731.0151
H41.09522.40552.04902.96632.3244
H52.05552.86321.01732.96631.7495
H62.07943.61081.01512.32441.7495

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.314 C1 N3 H6 121.875
S2 C1 N3 126.122 S2 C1 H4 120.904
H5 N3 H6 118.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability