return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-531.351575
Energy at 298.15K 
HF Energy-530.635310
Nuclear repulsion energy155.046900
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 QCISD/6-31G(2df,p)
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 3786 3587 50.57      
2 A 3649 3457 89.77      
3 A 3226 3056 1.15      
4 A 3151 2985 7.14      
5 A 3083 2921 11.10      
6 A 1666 1579 171.29      
7 A 1516 1436 8.21      
8 A 1514 1434 17.67      
9 A 1441 1365 111.59      
10 A 1417 1343 185.64      
11 A 1354 1283 37.91      
12 A 1052 996 0.03      
13 A 1040 985 28.83      
14 A 1014 960 9.77      
15 A 741 702 9.23      
16 A 631 598 7.80      
17 A 523 495 2.48      
18 A 429 407 1.04      
19 A 379 359 2.67      
20 A 297 281 176.14      
21 A 37 35 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 15971.5 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 15131.4 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 QCISD/6-31G(2df,p)
ABC
0.32636 0.16482 0.11181

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.276 0.061 0.000
S2 -1.367 -0.119 0.000
C3 1.242 -1.102 0.000
N4 0.874 1.264 -0.001
H5 0.699 -2.043 0.004
H6 1.881 -1.057 -0.887
H7 1.887 -1.053 0.883
H8 1.874 1.358 0.004
H9 0.307 2.094 0.002

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.65281.51191.34412.14592.14802.14842.05852.0338
S21.65282.78862.63352.82383.49583.49913.56162.7748
C31.51192.78862.39491.08641.09431.09432.54013.3302
N41.34412.63352.39493.31202.68132.67921.00421.0050
H52.14592.82381.08643.31201.77851.77863.59844.1558
H62.14803.49581.09432.68131.77851.76982.57453.6330
H72.14843.49911.09432.67921.77861.76982.56663.6302
H82.05853.56162.54011.00423.59842.57452.56661.7309
H92.03382.77483.33021.00504.15583.63303.63021.7309

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.283 C1 C3 H6 109.983
C1 C3 H7 110.014 C1 N4 H8 121.788
C1 N4 H9 119.243 S2 C1 C3 123.509
S2 C1 N4 122.645 C3 C1 N4 113.847
H5 C3 H6 109.292 H5 C3 H7 109.295
H6 C3 H7 107.932 H8 N4 H9 118.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability