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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-531.105194
Energy at 298.15K 
HF Energy-530.608716
Nuclear repulsion energy155.456502
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/6-31G*
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 3832 3548 53.86      
2 A 3704 3429 94.43      
3 A 3295 3050 1.93      
4 A 3216 2977 11.88      
5 A 3149 2916 13.80      
6 A 1735 1606 206.91      
7 A 1575 1458 10.76      
8 A 1570 1454 17.15      
9 A 1501 1389 46.09      
10 A 1472 1363 321.13      
11 A 1407 1303 44.69      
12 A 1099 1017 1.56      
13 A 1077 997 27.90      
14 A 1050 972 23.42      
15 A 770 713 14.78      
16 A 646 599 18.07      
17 A 536 496 3.48      
18 A 450 416 1.07      
19 A 397 367 2.65      
20 A 320 296 244.42      
21 A 41 38 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 16420.2 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 15201.8 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 CISD/6-31G*
ABC
0.32783 0.16585 0.11245

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.275 0.061 -0.008
S2 -1.363 -0.115 0.000
C3 1.233 -1.103 0.000
N4 0.877 1.258 -0.001
H5 0.701 -2.029 -0.182
H6 2.005 -0.972 -0.761
H7 1.724 -1.163 0.974
H8 1.877 1.353 0.000
H9 0.317 2.093 0.019

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.64781.50721.34052.13952.15072.13502.05802.0325
S21.64782.77812.62772.82103.55773.40193.55702.7742
C31.50722.77812.38781.08361.09131.09152.53843.3241
N41.34052.62772.38783.29682.61262.74391.00431.0049
H52.13952.82101.08363.29681.77471.76933.58484.1440
H62.15073.55771.09132.61261.77471.76742.45023.5849
H72.13503.40191.09152.74391.76931.76742.70183.6725
H82.05803.55702.53841.00433.58482.45022.70181.7265
H92.03252.77423.32411.00494.14403.58493.67251.7265

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.271 C1 C3 H6 110.702
C1 C3 H7 109.444 C1 N4 H8 122.078
C1 N4 H9 119.437 S2 C1 C3 123.361
S2 C1 N4 122.794 C3 C1 N4 113.837
H5 C3 H6 109.366 H5 C3 H7 108.871
H6 C3 H7 108.137 H8 N4 H9 118.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability