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: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-476.729452
Energy at 298.15K-476.733086
HF Energy-476.729452
Nuclear repulsion energy91.256672
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 B3LYP/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' 3258 3134 13.38      
2 A' 3228 3105 1.18      
3 A' 3168 3048 1.97      
4 A' 2513 2418 36.19      
5 A' 1681 1617 38.69      
6 A' 1465 1409 10.08      
7 A' 1331 1281 3.56      
8 A' 1094 1052 25.43      
9 A' 877 843 10.20      
10 A' 647 622 21.92      
11 A' 378 364 3.61      
12 A" 1006 968 30.67      
13 A" 941 905 57.26      
14 A" 610 587 14.71      
15 A" 249 240 28.20      

Unscaled Zero Point Vibrational Energy (zpe) 11222.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 10795.9 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 B3LYP/6-31G
ABC
1.62713 0.18403 0.16534

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.289 1.150 0.000
C2 0.000 0.803 0.000
S3 -0.694 -0.894 0.000
H4 2.098 0.425 0.000
H5 1.574 2.197 0.000
H6 -0.801 1.534 0.000
H7 0.506 -1.573 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.33452.84771.08621.08582.12532.8335
C21.33451.83372.13172.10261.08482.4298
S32.84771.83373.08813.83422.43061.3790
H41.08622.13173.08811.84823.10432.5552
H51.08582.10263.83421.84822.46623.9192
H62.12531.08482.43063.10432.46623.3714
H72.83352.42981.37902.55523.91923.3714

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.297 C1 C2 H6 122.584
C2 C1 H4 123.105 C2 C1 H5 120.270
C2 S3 H7 97.269 S3 C2 H6 110.120
H4 C1 H5 116.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.264      
2 C -0.346      
3 S 0.100      
4 H 0.134      
5 H 0.146      
6 H 0.175      
7 H 0.055      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.328 0.601 0.000 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.492 -2.283 0.000
y -2.283 -23.298 0.000
z 0.000 0.000 -29.437
Traceless
 xyz
x 0.875 -2.283 0.000
y -2.283 4.167 0.000
z 0.000 0.000 -5.042
Polar
3z2-r2-10.084
x2-y2-2.195
xy-2.283
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.789 1.366 0.000
y 1.366 6.734 0.000
z 0.000 0.000 2.267


<r2> (average value of r2) Å2
<r2> 76.169
(<r2>)1/2 8.728