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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-836.891251
Energy at 298.15K 
HF Energy-836.891251
Nuclear repulsion energy148.650805
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 3198 3043 4.86 59.49 0.75 0.86
2 A 3183 3028 4.43 89.78 0.74 0.85
3 A 3083 2933 14.59 141.06 0.02 0.04
4 A 2675 2545 15.09 164.73 0.31 0.47
5 A 1493 1421 11.19 14.28 0.74 0.85
6 A 1474 1402 10.34 20.47 0.75 0.86
7 A 1374 1307 2.04 6.13 0.40 0.57
8 A 996 948 11.23 5.90 0.55 0.71
9 A 991 943 5.80 5.85 0.73 0.84
10 A 900 856 10.30 32.03 0.64 0.78
11 A 718 683 1.88 10.96 0.34 0.50
12 A 519 494 0.77 15.94 0.27 0.43
13 A 330 314 21.78 8.86 0.75 0.86
14 A 241 229 0.27 5.17 0.59 0.74
15 A 174 165 0.75 0.03 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10673.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 10155.4 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 mPW1PW91/6-31G**
ABC
0.56256 0.14486 0.12068

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 -1.650 0.683 -0.005
S2 -0.478 -0.703 0.015
S3 1.356 0.243 -0.088
H4 1.573 0.449 1.228
H5 -1.503 1.304 -0.889
H6 -2.645 0.232 -0.045
H7 -1.568 1.287 0.899

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81583.03903.45911.08981.09271.0903
S21.81582.06592.64632.42862.36072.4354
S33.03902.06591.34933.15274.00043.2579
H43.45912.64631.34933.83074.41093.2681
H51.08982.42863.15273.83071.77891.7890
H61.09272.36074.00044.41091.77891.7783
H71.09032.43543.25793.26811.78901.7783

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 102.865 S2 C1 H5 110.920
S2 C1 H6 105.813 S2 C1 H7 111.404
S2 S3 H4 99.440 H5 C1 H6 109.187
H5 C1 H7 110.287 H6 C1 H7 109.100
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 -0.552      
2 S 0.029      
3 S -0.110      
4 H 0.095      
5 H 0.185      
6 H 0.178      
7 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.119 1.412 1.022 2.071
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.698 -0.444 2.028
y -0.444 -34.951 0.682
z 2.028 0.682 -33.041
Traceless
 xyz
x 3.298 -0.444 2.028
y -0.444 -3.081 0.682
z 2.028 0.682 -0.217
Polar
3z2-r2-0.434
x2-y24.253
xy-0.444
xz2.028
yz0.682


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.721 0.467 0.209
y 0.467 5.538 0.115
z 0.209 0.115 4.922


<r2> (average value of r2) Å2
<r2> 102.639
(<r2>)1/2 10.131