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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-836.868636
Energy at 298.15K 
HF Energy-836.868636
Nuclear repulsion energy140.027026
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 B97D3/6-31+G**
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 227 223 4.91 8.24 0.46 0.63
2 A 297 292 15.32 0.78 0.23 0.37
3 A 609 598 3.14 15.37 0.19 0.31
4 A 889 874 5.28 9.45 0.14 0.24
5 A 1192 1171 1.38 17.75 0.61 0.76
6 A 1427 1403 1.62 13.66 0.69 0.82
7 A 2647 2601 3.21 141.50 0.12 0.22
8 A 3039 2987 11.49 102.45 0.10 0.18
9 B 260 255 49.05 0.22 0.75 0.86
10 B 690 678 44.88 3.46 0.75 0.86
11 B 712 700 6.22 5.55 0.75 0.86
12 B 996 979 27.65 4.10 0.75 0.86
13 B 1250 1229 33.90 3.12 0.75 0.86
14 B 2646 2601 9.98 77.95 0.75 0.86
15 B 3103 3049 2.04 70.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9991.6 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 9819.7 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 B97D3/6-31+G**
ABC
0.88476 0.10226 0.09598

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.778
S2 0.000 1.568 -0.181
S3 0.000 -1.568 -0.181
H4 0.884 -0.058 1.422
H5 -0.884 0.058 1.422
H6 1.139 1.318 -0.863
H7 -1.139 -1.318 -0.863

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83771.83771.09581.09582.39292.3929
S21.83773.13542.44872.37281.35103.1763
S31.83773.13542.37282.44873.17631.3510
H41.09582.44872.37281.77262.67963.3019
H51.09582.37282.44871.77263.30192.6796
H62.39291.35103.17632.67963.30193.4838
H72.39293.17631.35103.30192.67963.4838

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.057 C1 S3 H7 96.057
S2 C1 S3 117.103 S2 C1 H4 110.623
S2 C1 H5 105.151 S3 C1 H4 105.151
S3 C1 H5 110.623 H4 C1 H5 107.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.498      
2 S -0.055      
3 S -0.055      
4 H 0.221      
5 H 0.221      
6 H 0.083      
7 H 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.461 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.799 1.933 0.000
y 1.933 -39.500 0.000
z 0.000 0.000 -32.945
Traceless
 xyz
x 4.423 1.933 0.000
y 1.933 -7.128 0.000
z 0.000 0.000 2.705
Polar
3z2-r25.410
x2-y27.700
xy1.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.415 0.459 0.000
y 0.459 9.901 0.000
z 0.000 0.000 6.923


<r2> (average value of r2) Å2
<r2> 118.202
(<r2>)1/2 10.872