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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-528.260751
Energy at 298.15K 
HF Energy-527.928667
Nuclear repulsion energy152.863652
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 CISD/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 3707 3489 45.15      
2 A 3584 3374 93.59      
3 A 3241 3050 0.85      
4 A 3153 2968 10.86      
5 A 3100 2918 10.41      
6 A 1760 1656 142.96      
7 A 1598 1504 11.68      
8 A 1589 1496 9.40      
9 A 1500 1412 12.25      
10 A 1452 1367 330.69      
11 A 1386 1305 47.55      
12 A 1116 1051 2.81      
13 A 1095 1031 19.24      
14 A 997 938 42.46      
15 A 738 695 196.61      
16 A 699 658 20.16      
17 A 587 553 92.73      
18 A 524 494 32.14      
19 A 441 415 2.07      
20 A 381 359 3.00      
21 A 49 46 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 16348.6 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 15389.0 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 CISD/3-21G
ABC
0.32131 0.15838 0.10826

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.306 0.068 -0.000
S2 -1.398 -0.111 -0.000
C3 1.251 -1.122 -0.000
N4 0.904 1.266 0.000
H5 0.679 -2.045 0.000
H6 1.890 -1.091 -0.889
H7 1.890 -1.091 0.889
H8 1.909 1.365 -0.000
H9 0.336 2.103 -0.000

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.71391.52001.33922.14602.15502.15502.06232.0352
S21.71392.83622.68292.83823.54503.54493.62232.8129
C31.52002.83622.41381.08631.09511.09512.57263.3526
N41.33922.68292.41383.31942.70592.70591.01061.0109
H52.14602.83821.08633.31941.78001.78003.62544.1625
H62.15503.54501.09512.70591.78001.77772.61193.6617
H72.15503.54491.09512.70591.78001.77772.61203.6618
H82.06233.62232.57261.01063.62542.61192.61201.7379
H92.03522.81293.35261.01094.16253.66173.66181.7379

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.723 C1 C3 H6 109.921
C1 C3 H7 109.919 C1 N4 H8 122.094
C1 N4 H9 119.341 S2 C1 C3 122.457
S2 C1 N4 122.513 C3 C1 N4 115.031
H5 C3 H6 109.371 H5 C3 H7 109.368
H6 C3 H7 108.517 H8 N4 H9 118.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability