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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-489.539141
Energy at 298.15K-489.543060
HF Energy-489.202889
Nuclear repulsion energy94.023974
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=FULL/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' 3657 3467 45.92 89.94 0.64 0.78
2 A' 3518 3335 95.29 147.79 0.16 0.27
3 A' 3135 2972 25.46 104.61 0.36 0.53
4 A' 1726 1636 117.55 5.82 0.73 0.84
5 A' 1518 1439 140.01 1.20 0.32 0.49
6 A' 1340 1270 220.62 7.77 0.72 0.83
7 A' 1207 1144 9.52 17.19 0.34 0.51
8 A' 909 861 6.19 32.86 0.29 0.44
9 A' 453 429 1.89 5.49 0.60 0.75
10 A" 1005 952 31.01 0.97 0.75 0.86
11 A" 687 652 104.12 1.60 0.75 0.86
12 A" 525 498 221.48 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9839.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9327.5 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 MP2=FULL/3-21G*
ABC
2.06859 0.19946 0.18192

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.639 0.000
S2 -0.786 -0.806 0.000
N3 1.344 0.819 0.000
H4 -0.554 1.580 0.000
H5 1.954 0.006 0.000
H6 1.760 1.744 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64531.35651.09192.05422.0778
S21.64532.67952.39762.85803.6033
N31.35652.67952.04551.01621.0138
H41.09192.39762.04552.96132.3197
H52.05422.85801.01622.96131.7487
H62.07783.60331.01382.31971.7487

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.256 C1 N3 H6 121.797
S2 C1 N3 126.145 S2 C1 H4 120.970
H5 N3 H6 118.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability