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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-827.581647
Energy at 298.15K 
HF Energy-827.581647
Nuclear repulsion energy139.684962
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 B3LYP/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 224 200 8.36 20.94 0.72 0.84
2 A 300 268 8.16 6.20 0.62 0.77
3 A 736 656 1.07 9.87 0.12 0.22
4 A 1026 916 0.13 10.20 0.52 0.68
5 A 1345 1200 0.96 20.53 0.75 0.86
6 A 1650 1472 0.26 15.60 0.75 0.86
7 A 2951 2633 6.50 86.00 0.18 0.30
8 A 3308 2952 6.52 41.13 0.14 0.24
9 B 262 234 18.28 6.43 0.75 0.86
10 B 784 699 0.30 0.94 0.75 0.86
11 B 886 791 22.74 8.20 0.75 0.86
12 B 1155 1031 22.46 4.79 0.75 0.86
13 B 1406 1255 25.74 4.08 0.75 0.86
14 B 2951 2633 46.05 38.29 0.75 0.86
15 B 3419 3051 2.06 33.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11200.5 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 9995.4 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 B3LYP/STO-3G
ABC
0.88891 0.10140 0.09567

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.766
S2 0.000 1.572 -0.186
S3 0.000 -1.572 -0.186
H4 0.885 -0.046 1.425
H5 -0.885 0.046 1.425
H6 1.218 1.352 -0.754
H7 -1.218 -1.352 -0.754

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83751.83751.10431.10432.37122.3712
S21.83753.14372.44862.38841.36193.2181
S31.83753.14372.38842.44863.21811.3619
H41.10432.44862.38841.77222.61063.2978
H51.10432.38842.44861.77223.29782.6106
H62.37121.36193.21812.61063.29783.6395
H72.37123.21811.36193.29782.61063.6395

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 94.482 C1 S3 H7 94.482
S2 C1 S3 117.616 S2 C1 H4 110.181
S2 C1 H5 105.853 S3 C1 H4 105.853
S3 C1 H5 110.181 H4 C1 H5 106.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 S 0.093      
3 S 0.093      
4 H 0.079      
5 H 0.079      
6 H -0.022      
7 H -0.022      


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 -28.060 1.671 0.000
y 1.671 -32.614 0.000
z 0.000 0.000 -29.200
Traceless
 xyz
x 2.847 1.671 0.000
y 1.671 -3.984 0.000
z 0.000 0.000 1.137
Polar
3z2-r22.274
x2-y24.554
xy1.671
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.763 0.163 0.000
y 0.163 3.855 0.000
z 0.000 0.000 2.196


<r2> (average value of r2) Å2
<r2> 115.792
(<r2>)1/2 10.761