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

using model chemistry: mPW1PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-827.633901
Energy at 298.15K 
HF Energy-827.633901
Nuclear repulsion energy147.926865
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/STO-3G
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 3516 3091 0.95 40.60 0.71 0.83
2 A 3500 3076 3.11 26.73 0.74 0.85
3 A 3329 2926 1.77 47.51 0.01 0.01
4 A 2951 2593 34.15 80.53 0.29 0.44
5 A 1697 1491 6.55 13.83 0.73 0.85
6 A 1681 1477 5.83 18.79 0.75 0.86
7 A 1550 1362 6.20 4.80 0.65 0.79
8 A 1081 950 10.18 4.64 0.60 0.75
9 A 1073 943 1.65 4.77 0.74 0.85
10 A 1019 895 12.00 16.34 0.72 0.84
11 A 845 743 1.22 11.29 0.31 0.48
12 A 620 545 0.13 12.03 0.30 0.47
13 A 274 241 8.85 7.14 0.73 0.85
14 A 256 225 2.99 11.47 0.71 0.83
15 A 156 137 0.36 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11773.1 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 10347.4 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/STO-3G
ABC
0.52918 0.14716 0.12071

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.610 0.711 -0.004
S2 -0.494 -0.727 0.011
S3 1.352 0.248 -0.087
H4 1.516 0.397 1.257
H5 -1.480 1.328 -0.904
H6 -2.640 0.333 0.006
H7 -1.475 1.354 0.878

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82042.99923.38481.09891.09791.0995
S21.82042.09032.61862.45662.39432.4590
S32.99922.09031.36253.13983.99493.1855
H43.38482.61861.36253.80964.34103.1627
H51.09892.45663.13983.80961.77861.7815
H61.09792.39433.99494.34101.77861.7780
H71.09952.45903.18553.16271.78151.7780

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 99.927 S2 C1 H5 112.222
S2 C1 H6 107.672 S2 C1 H7 112.373
S2 S3 H4 96.362 H5 C1 H6 108.119
H5 C1 H7 108.266 H6 C1 H7 108.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.318      
2 S 0.073      
3 S 0.008      
4 H -0.014      
5 H 0.085      
6 H 0.088      
7 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.501 0.688 0.751 1.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.831 -0.357 1.275
y -0.357 -30.400 0.338
z 1.275 0.338 -29.147
Traceless
 xyz
x 0.943 -0.357 1.275
y -0.357 -1.411 0.338
z 1.275 0.338 0.468
Polar
3z2-r20.937
x2-y21.569
xy-0.357
xz1.275
yz0.338


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.725 0.379 0.326
y 0.379 2.226 0.139
z 0.326 0.139 2.083


<r2> (average value of r2) Å2
<r2> 100.388
(<r2>)1/2 10.019