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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-27.692795
Energy at 298.15K 
HF Energy-27.692795
Nuclear repulsion energy38.429572
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 HF/CEP-121G*
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 3318 2998 18.68 63.47 0.75 0.86
2 A 3300 2981 16.12 92.05 0.75 0.86
3 A 3207 2897 40.02 140.18 0.02 0.04
4 A 2830 2557 10.72 167.33 0.33 0.49
5 A 1612 1456 8.45 10.87 0.74 0.85
6 A 1596 1442 7.94 14.21 0.75 0.86
7 A 1497 1353 11.82 0.44 0.64 0.78
8 A 1076 972 8.04 5.46 0.52 0.68
9 A 1067 964 0.98 4.48 0.75 0.86
10 A 980 885 8.69 17.17 0.67 0.81
11 A 768 693 2.05 23.45 0.37 0.54
12 A 564 509 1.01 32.21 0.25 0.40
13 A 322 291 22.10 5.57 0.75 0.86
14 A 258 233 0.11 4.03 0.59 0.75
15 A 189 171 0.60 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11291.6 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 10200.8 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 HF/CEP-121G*
ABC
0.55582 0.14478 0.12024

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.651 0.690 -0.005
S2 -0.480 -0.709 0.014
S3 1.357 0.245 -0.087
H4 1.567 0.437 1.222
H5 -1.509 1.294 -0.891
H6 -2.644 0.251 -0.021
H7 -1.542 1.298 0.884

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82503.04183.45381.08201.08531.0826
S21.82502.07212.63882.42732.36832.4324
S33.04182.07211.33973.15534.00123.2337
H43.45382.63881.33973.82884.39503.2445
H51.08202.42733.15533.82881.77001.7752
H61.08532.36834.00124.39501.77001.7689
H71.08262.43243.23373.24451.77521.7689

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 102.434 S2 C1 H5 110.611
S2 C1 H6 106.124 S2 C1 H7 110.961
S2 S3 H4 99.070 H5 C1 H6 109.507
H5 C1 H7 110.185 H6 C1 H7 109.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.519      
2 S -0.030      
3 S -0.156      
4 H 0.133      
5 H 0.197      
6 H 0.190      
7 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.138 1.434 1.017 2.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.651 -0.405 2.068
y -0.405 -34.118 0.716
z 2.068 0.716 -31.930
Traceless
 xyz
x 3.373 -0.405 2.068
y -0.405 -3.328 0.716
z 2.068 0.716 -0.046
Polar
3z2-r2-0.091
x2-y24.468
xy-0.405
xz2.068
yz0.716


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.968 0.331 0.197
y 0.331 5.977 0.103
z 0.197 0.103 5.241


<r2> (average value of r2) Å2
<r2> 69.371
(<r2>)1/2 8.329