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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-491.996270
Energy at 298.15K-491.999920
HF Energy-491.565840
Nuclear repulsion energy94.622139
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 MP3/6-31G*
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' 3771 3540 56.81      
2 A' 3642 3419 103.09      
3 A' 3186 2990 19.21      
4 A' 1700 1595 238.87      
5 A' 1528 1435 207.54      
6 A' 1358 1275 191.92      
7 A' 1188 1115 25.94      
8 A' 927 870 16.02      
9 A' 448 421 1.88      
10 A" 988 928 30.91      
11 A" 632 593 7.71      
12 A" 287 270 265.38      

Unscaled Zero Point Vibrational Energy (zpe) 9827.9 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9224.4 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 MP3/6-31G*
ABC
2.09383 0.20214 0.18434

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.636 0.000
S2 -0.778 -0.804 0.000
N3 1.331 0.818 0.000
H4 -0.554 1.577 0.000
H5 1.942 0.013 0.000
H6 1.742 1.739 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.63711.34331.09172.03952.0612
S21.63712.66052.39152.84013.5797
N31.34332.66052.03221.01041.0082
H41.09172.39152.03222.94552.3016
H52.03952.84011.01042.94551.7370
H62.06123.57971.00822.30161.7370

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.443 C1 N3 H6 121.810
S2 C1 N3 126.139 S2 C1 H4 121.123
H5 N3 H6 118.748
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability