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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CBS-Q
 hartrees
Energy at 0K-531.473989
Energy at 298.15K-531.467846
HF Energy-530.609225
Nuclear repulsion energy155.560604
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 CBS-Q
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 3958 3958 62.42 59.05 0.72 0.84
2 A 3831 3831 91.92 94.66 0.14 0.25
3 A 3335 3335 3.72 45.87 0.68 0.81
4 A 3263 3263 19.62 76.07 0.74 0.85
5 A 3197 3197 19.59 125.86 0.05 0.09
6 A 1829 1829 200.40 4.29 0.71 0.83
7 A 1627 1627 11.26 11.52 0.70 0.82
8 A 1609 1609 16.88 16.87 0.70 0.83
9 A 1547 1547 26.23 7.30 0.55 0.71
10 A 1502 1502 345.02 2.48 0.30 0.47
11 A 1453 1453 75.79 1.01 0.75 0.85
12 A 1139 1139 3.10 1.27 0.67 0.81
13 A 1118 1118 9.94 2.99 0.61 0.76
14 A 1057 1057 75.12 2.46 0.22 0.36
15 A 774 774 26.47 12.09 0.12 0.21
16 A 702 702 40.30 0.58 0.75 0.86
17 A 555 555 0.22 5.08 0.75 0.86
18 A 469 469 11.86 2.05 0.67 0.80
19 A 450 450 240.76 0.15 0.71 0.83
20 A 400 400 4.21 2.20 0.69 0.82
21 A 52 52 0.62 0.90 0.66 0.80

Unscaled Zero Point Vibrational Energy (zpe) 16932.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16932.8 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 CBS-Q
ABC
0.32461 0.16465 0.11154

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.285 0.070 -0.014
S2 -1.361 -0.120 0.001
C3 1.238 -1.103 -0.001
N4 0.868 1.264 -0.001
H5 0.784 -1.956 -0.485
H6 2.181 -0.864 -0.487
H7 1.442 -1.367 1.035
H8 1.856 1.368 -0.005
H9 0.305 2.083 0.028

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.65681.51111.32882.13972.16652.12232.03852.0132
S21.65682.77862.62382.86603.65263.23783.54482.7619
C31.51112.77862.39491.08121.08811.08812.54713.3191
N41.32882.62382.39493.25742.54702.88460.99340.9943
H52.13972.86601.08123.25741.77341.75793.52594.0997
H62.16653.65261.08812.54701.77341.76522.30653.5309
H72.12233.23781.08812.88461.75791.76522.95533.7690
H82.03853.54482.54710.99343.52592.30652.95531.7080
H92.01322.76193.31910.99434.09973.53093.76901.7080

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.147 C1 C3 H6 111.888
C1 C3 H7 108.368 C1 N4 H8 122.093
C1 N4 H9 119.440 S2 C1 C3 122.526
S2 C1 N4 122.618 C3 C1 N4 114.830
H5 C3 H6 109.671 H5 C3 H7 108.257
H6 C3 H7 108.414 H8 N4 H9 118.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability