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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-528.457929
Energy at 298.15K 
HF Energy-528.029201
Nuclear repulsion energy153.977302
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=FULL/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 3466 39.07      
2 A 3519 3336 84.80      
3 A 3217 3050 1.16      
4 A 3144 2981 11.60      
5 A 3082 2921 10.65      
6 A 1724 1634 117.55      
7 A 1590 1507 10.14      
8 A 1586 1503 7.14      
9 A 1476 1399 10.67      
10 A 1429 1355 307.70      
11 A 1344 1274 35.31      
12 A 1102 1044 1.27      
13 A 1071 1015 26.64      
14 A 1006 954 15.27      
15 A 729 691 2.79      
16 A 671 636 97.75      
17 A 517 490 2.41      
18 A 499 473 205.76      
19 A 439 416 0.87      
20 A 391 370 1.78      
21 A 67 64 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 16127.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 15289.2 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=FULL/3-21G*
ABC
0.31814 0.16364 0.11033

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.273 0.065 0.000
S2 -1.372 -0.113 -0.000
C3 1.239 -1.125 -0.000
N4 0.891 1.276 0.000
H5 0.666 -2.052 -0.000
H6 1.877 -1.092 -0.891
H7 1.877 -1.092 0.892
H8 1.901 1.362 0.000
H9 0.325 2.119 -0.000

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.65411.53291.35982.15252.16912.16912.08262.0552
S21.65412.80002.65502.81243.50793.50783.59062.8043
C31.53292.80002.42631.08911.09671.09672.57433.3707
N41.35982.65502.42633.33502.71512.71521.01451.0154
H52.15252.81241.08913.33501.78391.78383.63064.1847
H62.16913.50791.09672.71511.78391.78292.61083.6757
H72.16913.50781.09672.71521.78381.78292.61103.6759
H82.08263.59062.57431.01453.63062.61082.61101.7486
H92.05522.80433.37071.01544.18473.67573.67591.7486

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.187 C1 C3 H6 110.047
C1 C3 H7 110.046 C1 N4 H8 121.919
C1 N4 H9 119.123 S2 C1 C3 122.898
S2 C1 N4 123.212 C3 C1 N4 113.889
H5 C3 H6 109.396 H5 C3 H7 109.393
H6 C3 H7 108.757 H8 N4 H9 118.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability