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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-836.919854
Energy at 298.15K 
HF Energy-836.919854
Nuclear repulsion energy140.113829
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 B97D3/6-311G*
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 234 234 6.77 13.06 0.60 0.75
2 A 297 297 17.39 11.35 0.69 0.82
3 A 607 607 2.67 14.44 0.18 0.30
4 A 892 892 5.26 8.04 0.35 0.52
5 A 1208 1208 3.04 14.94 0.65 0.79
6 A 1439 1439 1.92 14.04 0.72 0.84
7 A 2576 2576 3.96 139.22 0.16 0.28
8 A 3029 3029 15.72 102.79 0.10 0.18
9 B 267 267 46.54 2.90 0.75 0.86
10 B 684 684 50.67 3.80 0.75 0.86
11 B 710 710 7.24 4.72 0.75 0.86
12 B 1002 1002 31.49 5.75 0.75 0.86
13 B 1261 1261 31.55 2.32 0.75 0.86
14 B 2575 2575 13.11 100.72 0.75 0.86
15 B 3086 3086 3.88 72.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9933.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9933.6 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 B97D3/6-311G*
ABC
0.88970 0.10227 0.09609

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.774
S2 0.000 1.567 -0.180
S3 0.000 -1.567 -0.180
H4 0.881 -0.058 1.418
H5 -0.881 0.058 1.418
H6 1.149 1.322 -0.855
H7 -1.149 -1.322 -0.855

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83491.83491.09331.09332.39202.3920
S21.83493.13472.44392.36861.35543.1816
S31.83493.13472.36862.44393.18161.3554
H41.09332.44392.36861.76672.67273.2999
H51.09332.36862.44391.76673.29992.6727
H62.39201.35543.18162.67273.29993.5028
H72.39203.18161.35543.29992.67273.5028

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.976 C1 S3 H7 95.976
S2 C1 S3 117.343 S2 C1 H4 110.583
S2 C1 H5 105.144 S3 C1 H4 105.144
S3 C1 H5 110.583 H4 C1 H5 107.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.701      
2 S -0.086      
3 S -0.086      
4 H 0.271      
5 H 0.271      
6 H 0.165      
7 H 0.165      


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 0.424 0.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.913 1.997 0.000
y 1.997 -39.846 0.000
z 0.000 0.000 -33.212
Traceless
 xyz
x 4.615 1.997 0.000
y 1.997 -7.283 0.000
z 0.000 0.000 2.668
Polar
3z2-r25.336
x2-y27.932
xy1.997
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.647 0.088 0.000
y 0.088 9.285 0.000
z 0.000 0.000 5.661


<r2> (average value of r2) Å2
<r2> 118.277
(<r2>)1/2 10.876