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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B97D3/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-836.910362
Energy at 298.15K 
HF Energy-836.910362
Nuclear repulsion energy139.893431
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 214 214 3.94 6.29 0.37 0.54
2 A 287 287 7.65 1.25 0.19 0.33
3 A 606 606 2.67 15.38 0.15 0.25
4 A 872 872 3.50 11.09 0.07 0.13
5 A 1161 1161 0.66 3.80 0.70 0.82
6 A 1385 1385 0.57 9.69 0.61 0.76
7 A 2621 2621 0.50 150.60 0.06 0.12
8 A 3027 3027 10.16 111.29 0.07 0.13
9 B 243 243 35.10 0.27 0.75 0.86
10 B 685 685 22.19 0.97 0.75 0.86
11 B 701 701 23.05 4.61 0.75 0.86
12 B 971 971 13.27 1.31 0.75 0.86
13 B 1209 1209 31.10 0.15 0.75 0.86
14 B 2620 2620 2.40 53.92 0.75 0.86
15 B 3093 3093 2.70 62.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9846.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9846.5 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/aug-cc-pVDZ
ABC
0.87169 0.10261 0.09616

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.786
S2 0.000 1.565 -0.182
S3 0.000 -1.565 -0.182
H4 0.891 -0.056 1.428
H5 -0.891 0.056 1.428
H6 1.138 1.302 -0.879
H7 -1.138 -1.302 -0.879

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.84031.84031.09971.09972.40072.4007
S21.84033.13042.45272.37971.36003.1628
S31.84033.13042.37972.45273.16281.3600
H41.09972.45272.37971.78552.68913.3154
H51.09972.37972.45271.78553.31542.6891
H62.40071.36003.16282.68913.31543.4586
H72.40073.16281.36003.31542.68913.4586

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.047 C1 S3 H7 96.047
S2 C1 S3 116.536 S2 C1 H4 110.532
S2 C1 H5 105.282 S3 C1 H4 105.282
S3 C1 H5 110.532 H4 C1 H5 108.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 S 0.123      
3 S 0.123      
4 H -0.147      
5 H -0.147      
6 H 0.091      
7 H 0.091      


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 0.497 0.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.961 1.321 0.000
y 1.321 -38.954 0.000
z 0.000 0.000 -32.840
Traceless
 xyz
x 3.936 1.321 0.000
y 1.321 -6.554 0.000
z 0.000 0.000 2.618
Polar
3z2-r25.236
x2-y26.993
xy1.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.470 0.407 0.000
y 0.407 11.295 0.000
z 0.000 0.000 7.996


<r2> (average value of r2) Å2
<r2> 117.961
(<r2>)1/2 10.861