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: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-836.451687
Energy at 298.15K 
HF Energy-836.451687
Nuclear repulsion energy147.124397
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 PBEPBEultrafine/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 3104 3053 5.78 61.70 0.75 0.86
2 A 3087 3036 5.78 94.48 0.74 0.85
3 A 2996 2946 14.52 152.72 0.03 0.05
4 A 2530 2488 33.40 184.81 0.30 0.47
5 A 1458 1434 11.57 15.65 0.74 0.85
6 A 1438 1414 10.05 22.37 0.75 0.86
7 A 1331 1309 2.45 9.76 0.40 0.57
8 A 963 948 10.11 6.83 0.60 0.75
9 A 959 943 8.55 6.78 0.70 0.82
10 A 864 850 11.07 41.25 0.61 0.76
11 A 676 665 2.45 9.14 0.29 0.45
12 A 485 477 0.76 11.64 0.28 0.44
13 A 331 325 20.46 9.73 0.75 0.86
14 A 229 225 0.31 5.99 0.57 0.73
15 A 167 164 0.73 0.03 0.75 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10308.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 10138.5 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 PBEPBEultrafine/6-31G*
ABC
0.55394 0.14160 0.11815

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.671 0.688 -0.006
S2 -0.482 -0.708 0.017
S3 1.371 0.244 -0.090
H4 1.598 0.464 1.242
H5 -1.521 1.317 -0.896
H6 -2.671 0.225 -0.052
H7 -1.596 1.295 0.909

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83373.07453.50611.10031.10361.1009
S21.83372.08602.68402.45282.38102.4600
S33.07452.08601.36883.18824.04223.3019
H43.50612.68401.36883.87694.46793.3173
H51.10032.45283.18823.87691.79651.8067
H61.10362.38104.04224.46791.79651.7961
H71.10092.46003.30193.31731.80671.7961

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 103.137 S2 C1 H5 110.962
S2 C1 H6 105.605 S2 C1 H7 111.463
S2 S3 H4 99.872 H5 C1 H6 109.206
H5 C1 H7 110.335 H6 C1 H7 109.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.630      
2 S 0.030      
3 S -0.142      
4 H 0.124      
5 H 0.213      
6 H 0.205      
7 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.124 1.384 1.008 2.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.725 -0.375 1.999
y -0.375 -34.978 0.676
z 1.999 0.676 -33.191
Traceless
 xyz
x 3.359 -0.375 1.999
y -0.375 -3.019 0.676
z 1.999 0.676 -0.340
Polar
3z2-r2-0.679
x2-y24.252
xy-0.375
xz1.999
yz0.676


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.081 0.503 0.221
y 0.503 5.632 0.126
z 0.221 0.126 4.986


<r2> (average value of r2) Å2
<r2> 104.470
(<r2>)1/2 10.221