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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

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 C1 1A
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-33.727187
Energy at 298.15K 
HF Energy-33.422640
Nuclear repulsion energy61.741645
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 3734 3608 29.49      
2 A 3576 3456 74.51      
3 A 3165 3058 17.36      
4 A 3146 3040 33.43      
5 A 3043 2940 36.88      
6 A 1697 1640 136.27      
7 A 1527 1475 5.88      
8 A 1486 1436 11.49      
9 A 1460 1411 17.73      
10 A 1378 1332 354.86      
11 A 1352 1306 39.10      
12 A 1084 1047 0.05      
13 A 1039 1004 24.78      
14 A 992 958 51.60      
15 A 710 686 5.36      
16 A 647 625 149.59      
17 A 480 464 98.78      
18 A 438 424 134.27      
19 A 424 410 1.26      
20 A 358 346 0.75      
21 A 17 16 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 15876.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 15341.1 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
0.30436 0.15372 0.10417

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.300 0.060 0.000
S2 -1.419 -0.111 -0.000
C3 1.270 -1.151 -0.000
N4 0.925 1.306 0.000
H5 1.086 -1.775 -0.897
H6 2.334 -0.826 0.002
H7 1.083 -1.778 0.894
H8 1.942 1.397 -0.000
H9 0.353 2.152 -0.000

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.72751.55121.39362.18832.21752.18832.11702.0926
S21.72752.88282.73843.13803.81963.13623.68302.8738
C31.55122.88282.48061.10791.11191.10792.63493.4276
N41.39362.73842.48063.21272.55473.21451.02071.0212
H52.18833.13801.10793.21271.80711.79033.40574.0941
H62.21753.81961.11192.55471.80711.80702.25713.5759
H72.18833.13621.10793.21451.79031.80703.40864.0958
H82.11703.68302.63491.02073.40572.25713.40861.7585
H92.09262.87383.42761.02124.09413.57594.09581.7585

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.641 C1 C3 H6 111.691
C1 C3 H7 109.643 C1 N4 H8 121.766
C1 N4 H9 119.325 S2 C1 C3 123.019
S2 C1 N4 122.298 C3 C1 N4 114.683
H5 C3 H6 108.989 H5 C3 H7 107.803
H6 C3 H7 108.988 H8 N4 H9 118.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability