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: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-836.951027
Energy at 298.15K 
HF Energy-836.951027
Nuclear repulsion energy148.376042
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 mPW1PW91/TZVP
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 3177 3030 6.13 60.07 0.75 0.86
2 A 3161 3016 5.18 92.90 0.74 0.85
3 A 3068 2927 17.21 174.66 0.02 0.03
4 A 2649 2527 8.64 170.53 0.28 0.44
5 A 1480 1412 12.08 9.77 0.75 0.86
6 A 1459 1392 10.14 15.86 0.75 0.86
7 A 1359 1297 1.77 3.54 0.36 0.53
8 A 984 939 8.20 5.98 0.55 0.71
9 A 978 933 5.03 5.23 0.69 0.82
10 A 883 842 5.76 23.54 0.62 0.76
11 A 710 677 2.02 12.18 0.35 0.52
12 A 514 490 0.83 14.59 0.27 0.42
13 A 325 310 19.38 10.06 0.75 0.86
14 A 239 228 0.27 4.18 0.60 0.75
15 A 175 167 0.83 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10580.5 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 10093.8 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 mPW1PW91/TZVP
ABC
0.55823 0.14454 0.12028

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.649 0.688 -0.005
S2 -0.482 -0.706 0.015
S3 1.358 0.243 -0.088
H4 1.565 0.440 1.235
H5 -1.500 1.303 -0.890
H6 -2.644 0.243 -0.039
H7 -1.556 1.292 0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81873.04133.45391.08761.09081.0880
S21.81872.07322.64412.42762.36252.4336
S33.04132.07321.35303.15264.00313.2500
H43.45392.64411.35303.82824.40233.2534
H51.08762.42763.15263.82821.77661.7861
H61.09082.36254.00314.40231.77661.7765
H71.08802.43363.25003.25341.78611.7765

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 102.591 S2 C1 H5 110.769
S2 C1 H6 105.851 S2 C1 H7 111.198
S2 S3 H4 98.845 H5 C1 H6 109.290
H5 C1 H7 110.369 H6 C1 H7 109.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.371      
2 S -0.056      
3 S -0.130      
4 H 0.112      
5 H 0.159      
6 H 0.139      
7 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.056 1.342 0.973 1.966
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.783 -0.295 1.944
y -0.295 -35.079 0.646
z 1.944 0.646 -33.064
Traceless
 xyz
x 3.289 -0.295 1.944
y -0.295 -3.156 0.646
z 1.944 0.646 -0.133
Polar
3z2-r2-0.266
x2-y24.296
xy-0.295
xz1.944
yz0.646


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.258 0.307 0.168
y 0.307 5.987 0.116
z 0.168 0.116 5.233


<r2> (average value of r2) Å2
<r2> 102.901
(<r2>)1/2 10.144