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 CH2CHSH (Ethenethiol)

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 CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-475.906058
Energy at 298.15K-475.909790
HF Energy-475.541470
Nuclear repulsion energy93.306413
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' 3340 3092 9.46      
2 A' 3286 3042 3.88      
3 A' 3252 3010 2.91      
4 A' 2813 2604 13.35      
5 A' 1754 1624 25.27      
6 A' 1502 1390 7.00      
7 A' 1373 1271 1.53      
8 A' 1140 1056 26.65      
9 A' 950 879 7.77      
10 A' 739 684 14.12      
11 A' 397 367 4.04      
12 A" 1042 965 24.91      
13 A" 940 870 43.53      
14 A" 627 581 11.81      
15 A" 252 234 19.79      

Unscaled Zero Point Vibrational Energy (zpe) 11703.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 10835.1 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
1.68519 0.19344 0.17352

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.286 1.102 0.000
C2 0.000 0.766 0.000
S3 -0.692 -0.857 0.000
H4 2.081 0.367 0.000
H5 1.578 2.143 0.000
H6 -0.770 1.528 0.000
H7 0.467 -1.527 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.32912.78421.08281.08142.09952.7532
C21.32911.76472.11912.09451.08312.3396
S32.78421.76473.03173.76262.38641.3385
H41.08282.11913.03171.84603.07842.4884
H51.08142.09453.76261.84602.42733.8343
H62.09951.08312.38643.07842.42733.2953
H72.75322.33961.33852.48843.83433.2953

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.738 C1 C2 H6 120.660
C2 C1 H4 122.618 C2 C1 H5 120.317
C2 S3 H7 96.906 S3 C2 H6 111.602
H4 C1 H5 117.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability