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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B97D3/STO-3G

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/STO-3G
 hartrees
Energy at 0K-827.645847
Energy at 298.15K 
HF Energy-827.645847
Nuclear repulsion energy139.047697
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/STO-3G
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 224 224 7.51 20.85 0.71 0.83
2 A 301 301 9.14 6.91 0.63 0.78
3 A 713 713 1.19 10.04 0.13 0.23
4 A 1001 1001 0.15 10.61 0.49 0.66
5 A 1316 1316 1.25 19.25 0.75 0.86
6 A 1612 1612 0.07 15.32 0.75 0.86
7 A 2875 2875 7.72 82.77 0.18 0.30
8 A 3228 3228 9.92 42.45 0.14 0.25
9 B 269 269 19.51 6.52 0.75 0.86
10 B 770 770 0.74 0.77 0.75 0.86
11 B 842 842 32.19 6.72 0.75 0.86
12 B 1125 1125 18.22 5.19 0.75 0.86
13 B 1372 1372 30.65 5.22 0.75 0.86
14 B 2875 2875 54.54 36.53 0.75 0.86
15 B 3344 3344 4.03 33.63 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10933.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10933.5 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/STO-3G
ABC
0.88050 0.10051 0.09485

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.770
S2 0.000 1.579 -0.187
S3 0.000 -1.579 -0.187
H4 0.891 -0.049 1.430
H5 -0.891 0.049 1.430
H6 1.226 1.350 -0.754
H7 -1.226 -1.350 -0.754

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.84581.84581.11051.11052.37662.3766
S21.84583.15782.46162.39761.37073.2255
S31.84583.15782.39762.46163.22551.3707
H41.11052.46162.39761.78492.61593.3088
H51.11052.39762.46161.78493.30882.6159
H62.37661.37073.22552.61593.30883.6476
H72.37663.22551.37073.30882.61593.6476

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 94.106 C1 S3 H7 94.106
S2 C1 S3 117.607 S2 C1 H4 110.255
S2 C1 H5 105.684 S3 C1 H4 105.684
S3 C1 H5 110.255 H4 C1 H5 106.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 S 0.078      
3 S 0.078      
4 H 0.077      
5 H 0.077      
6 H -0.015      
7 H -0.015      


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 0.176 0.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.964 1.666 0.000
y 1.666 -32.585 0.000
z 0.000 0.000 -29.179
Traceless
 xyz
x 2.918 1.666 0.000
y 1.666 -4.013 0.000
z 0.000 0.000 1.095
Polar
3z2-r22.191
x2-y24.621
xy1.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.789 0.156 0.000
y 0.156 4.056 0.000
z 0.000 0.000 2.207


<r2> (average value of r2) Å2
<r2> 116.595
(<r2>)1/2 10.798