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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-835.240287
Energy at 298.15K 
HF Energy-835.240287
Nuclear repulsion energy149.569902
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/6-31G(2df,p)
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 3298 2986 8.26 54.99 0.75 0.86
2 A 3278 2968 7.43 79.91 0.75 0.86
3 A 3190 2888 23.45 118.72 0.03 0.05
4 A 2838 2570 3.78 130.51 0.32 0.48
5 A 1600 1449 7.15 9.70 0.73 0.84
6 A 1581 1431 6.60 13.95 0.75 0.86
7 A 1478 1339 9.26 0.46 0.67 0.81
8 A 1065 965 8.33 3.35 0.38 0.55
9 A 1057 957 1.53 2.78 0.75 0.85
10 A 977 885 7.08 12.11 0.66 0.79
11 A 761 689 1.59 17.02 0.33 0.50
12 A 560 507 0.72 23.18 0.21 0.34
13 A 336 304 17.38 3.31 0.75 0.85
14 A 261 236 0.15 4.21 0.56 0.72
15 A 187 170 0.40 0.03 0.73 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11232.9 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 10171.4 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 HF/6-31G(2df,p)
ABC
0.57008 0.14642 0.12198

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.647 0.677 -0.006
S2 -0.472 -0.700 0.015
S3 1.348 0.243 -0.087
H4 1.558 0.450 1.210
H5 -1.511 1.281 -0.892
H6 -2.634 0.228 -0.022
H7 -1.546 1.286 0.882

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81073.02723.43561.08081.08431.0812
S21.81072.05142.62072.41372.35312.4184
S33.02722.05141.32993.14603.98203.2247
H43.43562.62071.32993.81154.37493.2313
H51.08082.41373.14603.81151.76801.7741
H61.08432.35313.98204.37491.76801.7668
H71.08122.41843.22473.23131.77411.7668

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 103.049 S2 C1 H5 110.636
S2 C1 H6 106.003 S2 C1 H7 110.969
S2 S3 H4 99.402 H5 C1 H6 109.494
H5 C1 H7 110.289 H6 C1 H7 109.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.449      
2 S -0.038      
3 S -0.201      
4 H 0.173      
5 H 0.176      
6 H 0.171      
7 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.141 1.350 0.893 1.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.002 -0.385 1.849
y -0.385 -35.244 0.715
z 1.849 0.715 -33.290
Traceless
 xyz
x 3.264 -0.385 1.849
y -0.385 -3.097 0.715
z 1.849 0.715 -0.167
Polar
3z2-r2-0.334
x2-y24.241
xy-0.385
xz1.849
yz0.715


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.973 0.361 0.163
y 0.361 6.068 0.081
z 0.163 0.081 5.377


<r2> (average value of r2) Å2
<r2> 101.895
(<r2>)1/2 10.094