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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-528.478173
Energy at 298.15K 
HF Energy-528.028741
Nuclear repulsion energy153.536099
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 QCISD/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 3625 3484 32.38      
2 A 3498 3361 80.74      
3 A 3159 3037 1.66      
4 A 3081 2961 13.20      
5 A 3026 2908 12.54      
6 A 1713 1647 118.44      
7 A 1567 1506 9.71      
8 A 1562 1501 7.49      
9 A 1460 1403 9.69      
10 A 1402 1348 321.63      
11 A 1336 1284 33.81      
12 A 1089 1046 1.73      
13 A 1058 1017 27.17      
14 A 985 946 30.83      
15 A 712 684 7.14      
16 A 674 648 119.30      
17 A 515 495 51.42      
18 A 504 485 136.33      
19 A 434 417 1.04      
20 A 384 369 2.27      
21 A 63 60 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 15922.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 15302.9 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 QCISD/3-21G*
ABC
0.31711 0.16241 0.10966

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.276 0.067 -0.000
S2 -1.377 -0.116 0.000
C3 1.247 -1.125 -0.000
N4 0.889 1.279 0.000
H5 0.676 -2.056 -0.000
H6 1.887 -1.088 -0.895
H7 1.887 -1.088 0.895
H8 1.901 1.370 0.000
H9 0.321 2.122 -0.000

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.66291.53761.35852.16052.17502.17502.08332.0555
S21.66292.81162.66112.82473.52153.52143.59912.8090
C31.53762.81162.43051.09271.10081.10082.57943.3764
N41.35852.66112.43053.34212.72012.72011.01591.0164
H52.16052.82471.09273.34211.79071.79073.63914.1932
H62.17503.52151.10082.72011.79071.78992.61593.6818
H72.17503.52141.10082.72011.79071.78992.61603.6818
H82.08333.59912.57941.01593.63912.61592.61601.7496
H92.05552.80903.37641.01644.19323.68183.68181.7496

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.278 C1 C3 H6 109.945
C1 C3 H7 109.944 C1 N4 H8 121.995
C1 N4 H9 119.175 S2 C1 C3 122.874
S2 C1 N4 123.150 C3 C1 N4 113.976
H5 C3 H6 109.441 H5 C3 H7 109.440
H6 C3 H7 108.777 H8 N4 H9 118.831
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability