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All results from a given calculation for CH3SSH (Hydrogen methyl disulfide)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-836.940441
Energy at 298.15K 
HF Energy-836.940441
Nuclear repulsion energy148.521311
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 mPW1PW91/6-311G*
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 3175 3030 8.05 61.95 0.75 0.86
2 A 3160 3015 7.44 95.18 0.74 0.85
3 A 3069 2929 21.81 152.29 0.02 0.04
4 A 2612 2493 15.80 166.61 0.30 0.46
5 A 1495 1427 13.19 10.91 0.75 0.85
6 A 1480 1413 11.19 12.82 0.75 0.86
7 A 1384 1320 1.69 2.45 0.67 0.80
8 A 1002 956 11.77 3.38 0.59 0.74
9 A 998 952 10.68 3.34 0.67 0.80
10 A 902 861 7.87 22.54 0.58 0.73
11 A 715 682 2.06 11.46 0.34 0.51
12 A 502 479 0.92 16.33 0.30 0.46
13 A 329 314 23.19 9.54 0.75 0.86
14 A 240 229 0.36 3.77 0.63 0.77
15 A 184 176 0.90 0.01 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10622.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 10137.8 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 mPW1PW91/6-311G*
ABC
0.55620 0.14531 0.12071

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.638 0.692 -0.005
S2 -0.486 -0.707 0.015
S3 1.356 0.241 -0.088
H4 1.573 0.442 1.232
H5 -1.479 1.314 -0.884
H6 -2.638 0.258 -0.051
H7 -1.552 1.292 0.900

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81263.02853.45001.08821.09141.0889
S21.81262.07442.65372.42512.35932.4326
S33.02852.07441.35323.13413.99403.2464
H43.45002.65371.35323.81514.40603.2561
H51.08822.42513.13413.81511.77531.7852
H61.09142.35933.99404.40601.77531.7755
H71.08892.43263.24643.25611.78521.7755

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 102.156 S2 C1 H5 110.963
S2 C1 H6 105.984 S2 C1 H7 111.494
S2 S3 H4 99.308 H5 C1 H6 109.073
H5 C1 H7 110.161 H6 C1 H7 109.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.815      
2 S 0.044      
3 S -0.183      
4 H 0.168      
5 H 0.270      
6 H 0.259      
7 H 0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.095 1.414 1.064 2.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.356 -0.360 2.084
y -0.360 -35.642 0.678
z 2.084 0.678 -33.530
Traceless
 xyz
x 3.230 -0.360 2.084
y -0.360 -3.199 0.678
z 2.084 0.678 -0.030
Polar
3z2-r2-0.061
x2-y24.286
xy-0.360
xz2.084
yz0.678


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.067 0.433 0.100
y 0.433 6.035 0.076
z 0.100 0.076 5.052


<r2> (average value of r2) Å2
<r2> 102.957
(<r2>)1/2 10.147