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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-836.908049
Energy at 298.15K 
HF Energy-836.908049
Nuclear repulsion energy149.496078
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(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 3187 3043 3.57 53.08 0.75 0.86
2 A 3169 3025 3.54 81.73 0.74 0.85
3 A 3070 2931 13.21 133.14 0.03 0.05
4 A 2667 2546 5.15 136.66 0.29 0.45
5 A 1478 1411 8.52 10.41 0.74 0.85
6 A 1457 1391 7.88 14.84 0.75 0.86
7 A 1345 1284 3.42 2.98 0.49 0.65
8 A 977 933 8.45 3.64 0.43 0.60
9 A 971 927 4.01 3.24 0.70 0.82
10 A 892 852 6.64 18.74 0.60 0.75
11 A 718 685 1.99 9.87 0.27 0.42
12 A 531 507 0.59 11.61 0.19 0.32
13 A 337 321 15.88 3.44 0.75 0.86
14 A 242 231 0.26 4.68 0.55 0.71
15 A 167 160 0.48 0.02 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 10603.5 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 10123.2 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(2df,p)
ABC
0.56970 0.14650 0.12215

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.647 0.675 -0.005
S2 -0.469 -0.699 0.015
S3 1.346 0.244 -0.088
H4 1.561 0.445 1.227
H5 -1.503 1.293 -0.891
H6 -2.638 0.216 -0.041
H7 -1.563 1.279 0.898

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81013.02543.44471.08951.09301.0899
S21.81012.04782.62682.42022.35472.4266
S33.02542.04781.34803.14053.98473.2418
H43.44472.62681.34803.82034.39293.2504
H51.08952.42023.14053.82031.78081.7904
H61.09302.35473.98474.39291.78081.7804
H71.08992.42663.24183.25041.79041.7804

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 103.122 S2 C1 H5 110.691
S2 C1 H6 105.738 S2 C1 H7 111.155
S2 S3 H4 99.270 H5 C1 H6 109.359
H5 C1 H7 110.476 H6 C1 H7 109.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.463      
2 S -0.048      
3 S -0.212      
4 H 0.186      
5 H 0.183      
6 H 0.179      
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
  -1.112 1.289 0.867 1.911
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.324 -0.334 1.756
y -0.334 -34.463 0.641
z 1.756 0.641 -32.637
Traceless
 xyz
x 3.226 -0.334 1.756
y -0.334 -2.983 0.641
z 1.756 0.641 -0.243
Polar
3z2-r2-0.486
x2-y24.139
xy-0.334
xz1.756
yz0.641


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.253 0.354 0.165
y 0.354 6.187 0.079
z 0.165 0.079 5.498


<r2> (average value of r2) Å2
<r2> 101.462
(<r2>)1/2 10.073