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/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 HF/6-31G
 hartrees
Energy at 0K-475.474860
Energy at 298.15K-475.478623
HF Energy-475.474860
Nuclear repulsion energy92.120808
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/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' 3423 3090 14.48      
2 A' 3400 3070 1.22      
3 A' 3332 3008 2.95      
4 A' 2698 2436 28.37      
5 A' 1829 1651 28.83      
6 A' 1581 1427 10.22      
7 A' 1440 1300 7.09      
8 A' 1193 1077 26.56      
9 A' 954 861 14.99      
10 A' 701 633 17.95      
11 A' 409 369 4.30      
12 A" 1137 1026 2.21      
13 A" 1105 997 102.77      
14 A" 676 610 16.83      
15 A" 214 193 33.89      

Unscaled Zero Point Vibrational Energy (zpe) 12044.2 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 10874.7 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 HF/6-31G
ABC
1.66098 0.18714 0.16819

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.273 1.143 0.000
C2 0.000 0.801 0.000
S3 -0.685 -0.888 0.000
H4 2.071 0.424 0.000
H5 1.558 2.177 0.000
H6 -0.786 1.529 0.000
H7 0.477 -1.581 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.31852.82141.07351.07302.09512.8376
C21.31851.82282.10502.07911.07122.4291
S32.82141.82283.05253.79872.41941.3529
H41.07352.10503.05251.82653.06292.5613
H51.07302.07913.79871.82652.43203.9105
H62.09511.07122.41943.06292.43203.3565
H72.83762.42911.35292.56133.91053.3565

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.095 C1 C2 H6 122.159
C2 C1 H4 122.961 C2 C1 H5 120.417
C2 S3 H7 98.718 S3 C2 H6 110.746
H4 C1 H5 116.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.324      
2 C -0.428      
3 S 0.131      
4 H 0.172      
5 H 0.183      
6 H 0.218      
7 H 0.048      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.551 0.817 0.000 1.753
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.948 -2.355 0.000
y -2.355 -23.618 0.000
z 0.000 0.000 -30.078
Traceless
 xyz
x 0.900 -2.355 0.000
y -2.355 4.395 0.000
z 0.000 0.000 -5.295
Polar
3z2-r2-10.589
x2-y2-2.330
xy-2.355
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.751 1.247 0.000
y 1.247 6.388 0.000
z 0.000 0.000 2.206


<r2> (average value of r2) Å2
<r2> 75.447
(<r2>)1/2 8.686