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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: MP2/CEP-31G*

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-31G*
 hartrees
Energy at 0K-27.239271
Energy at 298.15K-27.242770
HF Energy-26.841160
Nuclear repulsion energy35.740780
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-31G*
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' 3749 3559 57.10 77.02 0.64 0.78
2 A' 3599 3416 95.80 150.85 0.16 0.27
3 A' 3158 2998 32.07 92.94 0.37 0.54
4 A' 1666 1582 200.48 3.53 0.68 0.81
5 A' 1478 1403 174.46 3.95 0.71 0.83
6 A' 1325 1258 170.14 6.67 0.74 0.85
7 A' 1147 1089 15.33 23.36 0.19 0.32
8 A' 909 863 3.43 34.83 0.30 0.46
9 A' 427 405 1.40 6.78 0.69 0.82
10 A" 948 900 47.21 3.24 0.75 0.86
11 A" 617 585 2.27 0.17 0.75 0.86
12 A" 212 201 283.97 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9616.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9129.8 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-31G*
ABC
2.01279 0.19765 0.17997

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.648 0.000
S2 -0.794 -0.806 0.000
N3 1.358 0.811 0.000
H4 -0.539 1.609 0.000
H5 1.961 -0.011 0.000
H6 1.780 1.736 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.65651.36771.10222.06912.0866
S21.65652.69172.42892.86793.6180
N31.36772.69172.05791.01961.0173
H41.10222.42892.05792.97942.3222
H52.06912.86791.01962.97941.7569
H62.08663.61801.01732.32221.7569

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.445 C1 N3 H6 121.359
S2 C1 N3 125.487 S2 C1 H4 122.100
H5 N3 H6 119.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability