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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-476.082534
Energy at 298.15K-476.086296
HF Energy-475.611943
Nuclear repulsion energy93.803067
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/cc-pVTZ
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' 3336 3102 6.00      
2 A' 3279 3049 2.30      
3 A' 3244 3016 1.79      
4 A' 2811 2614 1.31      
5 A' 1738 1616 36.32      
6 A' 1488 1384 7.80      
7 A' 1357 1262 2.12      
8 A' 1128 1049 21.73      
9 A' 934 868 5.16      
10 A' 735 683 15.35      
11 A' 388 360 4.05      
12 A" 1048 975 19.31      
13 A" 961 893 46.53      
14 A" 630 586 13.47      
15 A" 262 243 13.40      

Unscaled Zero Point Vibrational Energy (zpe) 11668.9 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 10849.7 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/cc-pVTZ
ABC
1.70095 0.19555 0.17538

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.280 1.096 0.000
C2 0.000 0.763 0.000
S3 -0.688 -0.853 0.000
H4 2.064 0.360 0.000
H5 1.567 2.131 0.000
H6 -0.763 1.522 0.000
H7 0.464 -1.521 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.32212.76941.07561.07452.08642.7411
C21.32211.75672.10302.08001.07622.3309
S32.76941.75673.00763.74042.37671.3313
H41.07562.10303.00761.83963.05652.4698
H51.07452.08003.74041.83962.40783.8152
H62.08641.07622.37673.05652.40783.2812
H72.74112.33091.33132.46983.81523.2812

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.629 C1 C2 H6 120.566
C2 C1 H4 122.263 C2 C1 H5 120.078
C2 S3 H7 97.055 S3 C2 H6 111.805
H4 C1 H5 117.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability