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 CH3SSH (Hydrogen methyl disulfide)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-836.838441
Energy at 298.15K 
HF Energy-836.838441
Nuclear repulsion energy146.400991
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 BLYP/6-31G(2df,p)
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 3077 3060 6.73 54.61 0.75 0.86
2 A 3057 3040 6.53 84.58 0.75 0.86
3 A 2972 2955 14.72 146.49 0.04 0.07
4 A 2507 2493 11.52 146.44 0.29 0.45
5 A 1439 1431 7.27 11.79 0.73 0.85
6 A 1418 1410 5.34 16.61 0.75 0.86
7 A 1297 1290 8.77 4.88 0.41 0.59
8 A 939 934 7.31 4.20 0.51 0.67
9 A 934 929 3.89 4.12 0.71 0.83
10 A 843 838 6.64 23.27 0.57 0.72
11 A 640 637 1.86 10.77 0.25 0.39
12 A 469 467 0.76 10.95 0.20 0.34
13 A 321 319 13.35 4.09 0.75 0.86
14 A 227 225 0.32 5.72 0.53 0.69
15 A 158 157 0.40 0.01 0.73 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10147.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 10091.9 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 BLYP/6-31G(2df,p)
ABC
0.55124 0.13962 0.11664

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.689 0.689 -0.005
S2 -0.482 -0.711 0.015
S3 1.380 0.248 -0.089
H4 1.598 0.451 1.243
H5 -1.546 1.310 -0.898
H6 -2.683 0.215 -0.040
H7 -1.604 1.296 0.906

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.84903.10163.52471.09711.10111.0977
S21.84902.09612.68022.45992.38862.4654
S33.10162.09611.36523.21604.06263.3148
H43.52472.68021.36523.90014.47533.3287
H51.09712.45993.21603.90011.79621.8052
H61.10112.38864.06264.47531.79621.7959
H71.09772.46543.31483.32871.80521.7959

picture of Hydrogen methyl disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 S3 103.482 S2 C1 H5 110.617
S2 C1 H6 105.296 S2 C1 H7 110.993
S2 S3 H4 99.313 H5 C1 H6 109.592
H5 C1 H7 110.667 H6 C1 H7 109.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 S -0.061      
3 S -0.188      
4 H 0.158      
5 H 0.143      
6 H 0.137      
7 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.096 1.228 0.810 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.504 -0.306 1.653
y -0.306 -34.580 0.594
z 1.653 0.594 -32.923
Traceless
 xyz
x 3.248 -0.306 1.653
y -0.306 -2.867 0.594
z 1.653 0.594 -0.381
Polar
3z2-r2-0.761
x2-y24.076
xy-0.306
xz1.653
yz0.594


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.790 0.371 0.176
y 0.371 6.366 0.083
z 0.176 0.083 5.611


<r2> (average value of r2) Å2
<r2> 105.269
(<r2>)1/2 10.260