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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-836.814153
Energy at 298.15K 
HF Energy-836.814153
Nuclear repulsion energy141.616150
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 mPW1PW91/6-31G
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 3238 3066 4.88 54.48 0.75 0.86
2 A 3218 3047 3.50 90.83 0.74 0.85
3 A 3106 2940 11.33 145.15 0.03 0.06
4 A 2512 2378 39.21 188.79 0.34 0.50
5 A 1525 1443 16.51 16.34 0.69 0.82
6 A 1506 1426 16.75 24.20 0.75 0.86
7 A 1405 1330 1.18 3.79 0.40 0.57
8 A 1014 960 11.84 7.96 0.63 0.78
9 A 1014 959 7.75 8.71 0.73 0.85
10 A 818 774 4.12 31.76 0.70 0.82
11 A 675 639 1.34 17.24 0.36 0.53
12 A 447 423 0.84 30.59 0.28 0.44
13 A 254 240 32.17 20.61 0.75 0.86
14 A 214 202 0.70 7.04 0.62 0.77
15 A 150 142 1.29 0.22 0.73 0.84

Unscaled Zero Point Vibrational Energy (zpe) 10547.5 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 9984.3 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 mPW1PW91/6-31G
ABC
0.50664 0.13108 0.10875

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.684 0.759 -0.001
S2 -0.556 -0.740 0.010
S3 1.442 0.241 -0.088
H4 1.656 0.368 1.268
H5 -1.480 1.369 -0.878
H6 -2.697 0.357 -0.053
H7 -1.559 1.337 0.913

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.87533.16943.59371.08811.09161.0884
S21.87532.22742.77462.46782.40702.4767
S33.16942.22741.37853.23024.14113.3486
H43.59372.77461.37853.92954.54943.3771
H51.08812.46783.23023.92951.78511.7931
H61.09162.40704.14114.54941.78511.7856
H71.08842.47673.34863.37711.79311.7856

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 100.811 S2 C1 H5 109.905
S2 C1 H6 105.368 S2 C1 H7 110.543
S2 S3 H4 97.834 H5 C1 H6 109.964
H5 C1 H7 110.938 H6 C1 H7 109.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.714      
2 S 0.076      
3 S -0.108      
4 H 0.086      
5 H 0.228      
6 H 0.219      
7 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.346 1.576 1.309 2.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.240 -0.904 2.572
y -0.904 -35.714 0.562
z 2.572 0.562 -33.676
Traceless
 xyz
x 3.455 -0.904 2.572
y -0.904 -3.256 0.562
z 2.572 0.562 -0.199
Polar
3z2-r2-0.398
x2-y24.474
xy-0.904
xz2.572
yz0.562


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.577 0.787 0.245
y 0.787 5.471 0.089
z 0.245 0.089 4.725


<r2> (average value of r2) Å2
<r2> 111.202
(<r2>)1/2 10.545