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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-27.595149
Energy at 298.15K 
HF Energy-27.595149
Nuclear repulsion energy37.173693
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-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 3383 3049 30.14 62.99 0.75 0.86
2 A 3367 3035 16.35 103.45 0.74 0.85
3 A 3247 2927 50.95 181.12 0.02 0.03
4 A 2691 2426 44.00 265.96 0.34 0.50
5 A 1608 1450 11.64 14.90 0.66 0.79
6 A 1593 1436 12.67 23.84 0.75 0.86
7 A 1500 1352 16.24 0.47 0.18 0.30
8 A 1087 980 13.48 9.77 0.61 0.76
9 A 1082 976 4.58 14.61 0.75 0.86
10 A 896 807 11.35 27.04 0.74 0.85
11 A 710 640 5.98 48.17 0.39 0.56
12 A 492 444 1.83 87.10 0.27 0.43
13 A 241 217 37.85 34.05 0.74 0.85
14 A 231 208 1.52 8.08 0.68 0.81
15 A 162 146 1.51 0.64 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11145.0 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 10046.1 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-31G
ABC
0.51517 0.13137 0.10923

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.702 0.744 0.003
S2 -0.540 -0.735 0.008
S3 1.435 0.248 -0.087
H4 1.687 0.337 1.249
H5 -1.519 1.349 -0.877
H6 -2.703 0.324 -0.030
H7 -1.570 1.329 0.905

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.88083.17683.63341.08311.08591.0837
S21.88082.20762.76532.46672.40852.4749
S33.17682.20761.36313.24974.13853.3437
H43.63342.76531.36313.97764.57213.4214
H51.08312.46673.24973.97761.78011.7829
H61.08592.40854.13854.57211.78011.7802
H71.08372.47493.34373.42141.78291.7802

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 101.681 S2 C1 H5 109.714
S2 C1 H6 105.392 S2 C1 H7 110.289
S2 S3 H4 98.749 H5 C1 H6 110.308
H5 C1 H7 110.740 H6 C1 H7 110.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.480      
2 S 0.015      
3 S -0.079      
4 H 0.036      
5 H 0.178      
6 H 0.167      
7 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.568 1.747 1.475 2.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.472 -1.321 2.904
y -1.321 -35.112 0.570
z 2.904 0.570 -32.475
Traceless
 xyz
x 3.321 -1.321 2.904
y -1.321 -3.639 0.570
z 2.904 0.570 0.317
Polar
3z2-r20.635
x2-y24.640
xy-1.321
xz2.904
yz0.570


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.200 0.977 0.294
y 0.977 5.277 0.052
z 0.294 0.052 3.814


<r2> (average value of r2) Å2
<r2> 73.843
(<r2>)1/2 8.593