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: HF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-475.622429
Energy at 298.15K-475.626260
HF Energy-475.622429
Nuclear repulsion energy93.889673
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 HF/aug-cc-pVQZ
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' 3370 3061 9.04      
2 A' 3320 3016 1.92      
3 A' 3285 2985 3.04      
4 A' 2857 2596 0.77      
5 A' 1795 1631 45.50      
6 A' 1548 1407 8.66      
7 A' 1416 1287 2.09      
8 A' 1177 1069 24.56      
9 A' 975 886 6.05      
10 A' 745 676 17.51      
11 A' 405 368 4.13      
12 A" 1104 1003 13.52      
13 A" 1037 942 57.43      
14 A" 659 598 16.44      
15 A" 259 235 12.61      

Unscaled Zero Point Vibrational Energy (zpe) 11975.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 10880.0 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 HF/aug-cc-pVQZ
ABC
1.71518 0.19544 0.17545

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.269 1.106 0.000
C2 0.000 0.765 0.000
S3 -0.682 -0.857 0.000
H4 2.062 0.383 0.000
H5 1.548 2.141 0.000
H6 -0.768 1.515 0.000
H7 0.453 -1.545 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.31392.76751.07331.07252.07732.7730
C21.31391.75952.09702.07171.07382.3533
S32.76751.75953.01083.73692.37441.3270
H41.07332.09703.01081.83223.04792.5102
H51.07252.07173.73691.83222.39893.8450
H62.07731.07382.37443.04792.39893.2947
H72.77302.35331.32702.51023.84503.2947

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.848 C1 C2 H6 120.588
C2 C1 H4 122.588 C2 C1 H5 120.148
C2 S3 H7 98.389 S3 C2 H6 111.564
H4 C1 H5 117.264
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.797      
2 C -0.518      
3 S 0.048      
4 H 0.414      
5 H 0.355      
6 H 0.428      
7 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.964 0.464 0.000 1.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.299 -2.079 0.000
y -2.079 -23.682 0.000
z 0.000 0.000 -30.047
Traceless
 xyz
x 1.565 -2.079 0.000
y -2.079 3.991 0.000
z 0.000 0.000 -5.556
Polar
3z2-r2-11.112
x2-y2-1.617
xy-2.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.966 1.567 0.000
y 1.567 7.677 0.000
z 0.000 0.000 5.353


<r2> (average value of r2) Å2
<r2> 73.013
(<r2>)1/2 8.545