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: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-836.911185
Energy at 298.15K 
HF Energy-836.911185
Nuclear repulsion energy148.101446
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(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 3154 3044 5.27 53.40 0.75 0.86
2 A 3135 3025 5.10 81.62 0.75 0.86
3 A 3046 2939 14.27 134.48 0.03 0.06
4 A 2615 2523 7.05 137.69 0.29 0.45
5 A 1477 1425 7.71 10.98 0.73 0.85
6 A 1456 1405 6.42 15.59 0.75 0.86
7 A 1342 1295 6.42 3.23 0.45 0.62
8 A 971 937 7.92 3.83 0.47 0.64
9 A 966 933 3.50 3.60 0.71 0.83
10 A 880 849 6.43 19.27 0.59 0.74
11 A 686 662 1.61 11.13 0.27 0.42
12 A 503 485 0.65 12.68 0.20 0.33
13 A 326 315 14.70 3.75 0.75 0.86
14 A 237 229 0.27 5.03 0.54 0.70
15 A 165 159 0.42 0.01 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10479.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10112.8 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 B3LYP/6-31G(2df,p)
ABC
0.56113 0.14336 0.11960

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.665 0.683 -0.005
S2 -0.476 -0.705 0.015
S3 1.362 0.245 -0.088
H4 1.576 0.449 1.231
H5 -1.522 1.299 -0.894
H6 -2.656 0.221 -0.038
H7 -1.577 1.288 0.898

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82683.05913.47691.09051.09421.0910
S21.82682.07122.65002.43582.36902.4415
S33.05912.07121.35243.17404.01843.2702
H43.47692.65001.35243.85184.42473.2797
H51.09052.43583.17403.85181.78371.7922
H61.09422.36904.01844.42471.78371.7832
H71.09102.44153.27023.27971.79221.7832

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 103.221 S2 C1 H5 110.677
S2 C1 H6 105.641 S2 C1 H7 111.077
S2 S3 H4 99.283 H5 C1 H6 109.464
H5 C1 H7 110.474 H6 C1 H7 109.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.372      
2 S -0.056      
3 S -0.197      
4 H 0.167      
5 H 0.157      
6 H 0.152      
7 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.099 1.260 0.839 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.506 -0.324 1.708
y -0.324 -34.596 0.628
z 1.708 0.628 -32.840
Traceless
 xyz
x 3.212 -0.324 1.708
y -0.324 -2.922 0.628
z 1.708 0.628 -0.289
Polar
3z2-r2-0.579
x2-y24.089
xy-0.324
xz1.708
yz0.628


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.426 0.367 0.167
y 0.367 6.234 0.081
z 0.167 0.081 5.513


<r2> (average value of r2) Å2
<r2> 103.203
(<r2>)1/2 10.159