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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-489.522646
Energy at 298.15K-489.526563
HF Energy-489.202862
Nuclear repulsion energy94.000700
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 MP2/3-21G*
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' 3656 3478 45.94 89.95 0.64 0.78
2 A' 3517 3346 95.35 147.78 0.16 0.27
3 A' 3134 2982 25.48 104.52 0.36 0.53
4 A' 1725 1641 117.41 5.83 0.73 0.84
5 A' 1519 1445 139.00 1.22 0.33 0.49
6 A' 1340 1275 222.16 7.80 0.72 0.83
7 A' 1207 1148 9.40 17.16 0.34 0.51
8 A' 909 864 6.19 32.88 0.29 0.44
9 A' 453 431 1.90 5.51 0.60 0.75
10 A" 1004 955 31.06 0.96 0.75 0.86
11 A" 686 653 102.91 1.61 0.75 0.86
12 A" 523 498 222.67 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9836.6 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 9357.5 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 MP2/3-21G*
ABC
2.06870 0.19933 0.18181

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.639 0.000
S2 -0.786 -0.807 0.000
N3 1.345 0.820 0.000
H4 -0.555 1.580 0.000
H5 1.955 0.008 0.000
H6 1.759 1.745 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64581.35671.09202.05472.0779
S21.64582.68042.39782.85923.6041
N31.35672.68042.04591.01631.0139
H41.09202.39782.04592.96182.3199
H52.05472.85921.01632.96181.7488
H62.07793.60411.01392.31991.7488

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.271 C1 N3 H6 121.782
S2 C1 N3 126.167 S2 C1 H4 120.942
H5 N3 H6 118.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability