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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-27.034046
Energy at 298.15K-27.037773
HF Energy-26.781724
Nuclear repulsion energy35.216059
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 MP2/CEP-121G
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' 3685 3597 29.75 81.20 0.64 0.78
2 A' 3523 3438 74.80 195.70 0.17 0.29
3 A' 3105 3031 27.62 128.27 0.36 0.53
4 A' 1709 1668 127.76 4.18 0.75 0.86
5 A' 1466 1431 149.61 2.40 0.74 0.85
6 A' 1287 1256 285.68 6.29 0.75 0.86
7 A' 1166 1138 21.87 23.09 0.33 0.50
8 A' 851 831 6.90 60.00 0.25 0.40
9 A' 412 403 1.17 8.93 0.66 0.80
10 A" 909 887 80.39 3.27 0.75 0.86
11 A" 571 557 20.94 1.15 0.75 0.86
12 A" 441 431 278.39 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9562.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 9333.0 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 MP2/CEP-121G
ABC
1.98241 0.18812 0.17182

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.000
S2 -0.798 -0.844 0.000
N3 1.369 0.861 0.000
H4 -0.571 1.606 0.000
H5 1.990 0.057 0.000
H6 1.771 1.793 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.71101.38211.09712.08192.0976
S21.71102.75742.46072.92963.6819
N31.38212.75742.07781.01661.0152
H41.09712.46072.07782.99322.3496
H52.08192.92961.01662.99321.7506
H62.09763.68191.01522.34961.7506

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.667 C1 N3 H6 121.332
S2 C1 N3 125.790 S2 C1 H4 120.825
H5 N3 H6 119.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability