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: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-27.601795
Energy at 298.15K 
HF Energy-27.601795
Nuclear repulsion energy37.226649
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/CEP-121G
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 3330 3039 15.58 56.62 0.75 0.86
2 A 3314 3024 8.12 91.56 0.74 0.85
3 A 3189 2910 34.41 149.12 0.02 0.04
4 A 2687 2452 17.23 232.42 0.32 0.49
5 A 1606 1465 10.59 13.50 0.69 0.82
6 A 1590 1451 12.53 18.89 0.75 0.86
7 A 1496 1365 11.40 0.18 0.74 0.85
8 A 1089 994 11.12 6.68 0.58 0.74
9 A 1087 992 3.17 8.44 0.75 0.86
10 A 889 811 5.85 19.95 0.75 0.85
11 A 715 652 4.77 42.20 0.38 0.55
12 A 487 444 1.36 81.88 0.27 0.43
13 A 254 232 34.85 18.06 0.74 0.85
14 A 229 209 1.20 6.49 0.63 0.77
15 A 163 149 1.30 0.20 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11062.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 10094.0 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/CEP-121G
ABC
0.51272 0.13183 0.10945

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.692 0.750 0.001
S2 -0.545 -0.737 0.009
S3 1.434 0.244 -0.088
H4 1.674 0.355 1.254
H5 -1.497 1.352 -0.873
H6 -2.695 0.345 -0.038
H7 -1.556 1.328 0.903

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.87693.16773.61301.07921.08221.0797
S21.87692.21142.76862.45922.40652.4662
S33.16772.21141.36703.23064.13043.3315
H43.61302.76861.36703.94644.55563.3923
H51.07922.45923.23063.94641.77391.7769
H61.08222.40654.13044.55561.77391.7735
H71.07972.46623.33153.39231.77691.7735

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 101.259 S2 C1 H5 109.619
S2 C1 H6 105.666 S2 C1 H7 110.107
S2 S3 H4 98.617 H5 C1 H6 110.310
H5 C1 H7 110.780 H6 C1 H7 110.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.622      
2 S 0.068      
3 S -0.102      
4 H 0.070      
5 H 0.203      
6 H 0.194      
7 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.491 1.679 1.355 2.623
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.325 -1.196 2.773
y -1.196 -35.038 0.599
z 2.773 0.599 -32.595
Traceless
 xyz
x 3.491 -1.196 2.773
y -1.196 -3.578 0.599
z 2.773 0.599 0.087
Polar
3z2-r20.174
x2-y24.713
xy-1.196
xz2.773
yz0.599


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.476 0.802 0.278
y 0.802 5.937 0.080
z 0.278 0.080 4.900


<r2> (average value of r2) Å2
<r2> 73.588
(<r2>)1/2 8.578