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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

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 C1 1A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-528.439606
Energy at 298.15K 
HF Energy-528.029161
Nuclear repulsion energy153.933856
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 3655 3477 39.09      
2 A 3518 3347 84.83      
3 A 3216 3060 1.17      
4 A 3144 2991 11.65      
5 A 3081 2931 10.67      
6 A 1723 1639 117.39      
7 A 1590 1512 10.12      
8 A 1586 1509 7.04      
9 A 1475 1403 10.62      
10 A 1429 1359 307.74      
11 A 1343 1278 35.49      
12 A 1101 1048 1.26      
13 A 1070 1018 26.77      
14 A 1005 957 15.38      
15 A 729 694 2.79      
16 A 670 637 96.66      
17 A 516 491 2.84      
18 A 497 472 206.52      
19 A 439 417 0.87      
20 A 391 372 1.80      
21 A 67 63 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 16122.1 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 15337.0 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
0.31799 0.16353 0.11026

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.273 0.065 0.001
S2 -1.372 -0.113 -0.000
C3 1.239 -1.126 -0.000
N4 0.891 1.276 0.001
H5 0.666 -2.052 0.011
H6 1.869 -1.098 -0.898
H7 1.885 -1.086 0.885
H8 1.902 1.362 -0.002
H9 0.326 2.120 -0.002

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.65471.53341.36012.15302.16932.16972.08282.0557
S21.65472.80092.65582.81333.50423.51323.59142.8053
C31.53342.80092.42701.08931.09681.09682.57473.3715
N41.36012.65582.42703.33582.71992.71151.01461.0155
H52.15302.81331.08933.33581.78401.78423.63104.1856
H62.16933.50421.09682.71991.78401.78332.61813.6790
H72.16973.51321.09682.71151.78421.78332.60433.6739
H82.08283.59142.57471.01463.63102.61812.60431.7488
H92.05572.80533.37151.01554.18563.67903.67391.7488

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.186 C1 C3 H6 110.021
C1 C3 H7 110.054 C1 N4 H8 121.905
C1 N4 H9 119.133 S2 C1 C3 122.897
S2 C1 N4 123.215 C3 C1 N4 113.889
H5 C3 H6 109.389 H5 C3 H7 109.407
H6 C3 H7 108.768 H8 N4 H9 118.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability