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: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-476.512268
Energy at 298.15K-476.515962
HF Energy-476.386598
Nuclear repulsion energy93.020219
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 B2PLYP/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' 3286 3120 8.86      
2 A' 3228 3064 3.51      
3 A' 3198 3035 2.77      
4 A' 2733 2594 12.78      
5 A' 1684 1598 31.58      
6 A' 1464 1389 8.54      
7 A' 1336 1268 1.12      
8 A' 1108 1052 27.16      
9 A' 921 874 6.83      
10 A' 711 675 17.43      
11 A' 385 365 3.90      
12 A" 1006 955 24.26      
13 A" 884 839 40.75      
14 A" 608 577 11.55      
15 A" 276 262 19.59      

Unscaled Zero Point Vibrational Energy (zpe) 11413.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 10833.8 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 B2PLYP/6-31G*
ABC
1.67753 0.19216 0.17241

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.292 1.106 0.000
C2 0.000 0.766 0.000
S3 -0.695 -0.859 0.000
H4 2.090 0.371 0.000
H5 1.580 2.151 0.000
H6 -0.775 1.526 0.000
H7 0.470 -1.532 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7
C11.33602.79481.08501.08372.10902.7632
C21.33601.76752.12692.10131.08562.3453
S32.79481.76753.04453.77332.38701.3452
H41.08502.12693.04451.85143.08892.4989
H51.08372.10133.77331.85142.43653.8464
H62.10901.08562.38703.08892.43653.3019
H72.76322.34531.34522.49893.84643.3019

picture of Ethenethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 127.911 C1 C2 H6 120.774
C2 C1 H4 122.583 C2 C1 H5 120.192
C2 S3 H7 96.847 S3 C2 H6 111.314
H4 C1 H5 117.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 C -0.254      
3 S -0.011      
4 H 0.151      
5 H 0.163      
6 H 0.186      
7 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.002 0.392 0.000 1.076
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.172 -2.034 0.000
y -2.034 -23.166 0.000
z 0.000 0.000 -29.319
Traceless
 xyz
x 1.071 -2.034 0.000
y -2.034 4.080 0.000
z 0.000 0.000 -5.151
Polar
3z2-r2-10.301
x2-y2-2.006
xy-2.034
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.728 1.362 0.000
y 1.362 6.506 0.000
z 0.000 0.000 2.652


<r2> (average value of r2) Å2
<r2> 73.712
(<r2>)1/2 8.586