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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-836.849714
Energy at 298.15K 
HF Energy-836.849714
Nuclear repulsion energy141.861263
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 wB97X-D/6-31G(2df,p)
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 230 230 5.00 5.97 0.54 0.70
2 A 301 301 13.23 3.40 0.54 0.70
3 A 650 650 3.55 14.98 0.16 0.28
4 A 914 914 4.10 7.01 0.35 0.52
5 A 1209 1209 0.41 12.29 0.69 0.81
6 A 1459 1459 1.35 13.70 0.75 0.86
7 A 2736 2736 0.34 104.26 0.12 0.22
8 A 3104 3104 6.28 84.16 0.10 0.18
9 B 253 253 38.93 0.22 0.75 0.86
10 B 715 715 1.10 1.06 0.75 0.86
11 B 781 781 24.38 7.40 0.75 0.86
12 B 1015 1015 19.69 4.79 0.75 0.86
13 B 1268 1268 25.68 1.06 0.75 0.86
14 B 2735 2735 0.65 74.12 0.75 0.86
15 B 3168 3168 0.79 59.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10269.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10269.0 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 wB97X-D/6-31G(2df,p)
ABC
0.89158 0.10581 0.09899

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.542 -0.178
S3 0.000 -1.542 -0.178
H4 0.881 -0.053 1.418
H5 -0.881 0.053 1.418
H6 1.102 1.277 -0.895
H7 -1.102 -1.277 -0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81411.81411.09061.09062.37552.3755
S21.81413.08372.42282.35401.34103.1107
S31.81413.08372.35402.42283.11071.3410
H41.09062.42282.35401.76482.67773.2836
H51.09062.35402.42281.76483.28362.6777
H62.37551.34103.11072.67773.28363.3747
H72.37553.11071.34103.28362.67773.3747

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.536 C1 S3 H7 96.536
S2 C1 S3 116.408 S2 C1 H4 110.560
S2 C1 H5 105.555 S3 C1 H4 105.555
S3 C1 H5 110.560 H4 C1 H5 108.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.263      
2 S -0.245      
3 S -0.245      
4 H 0.189      
5 H 0.189      
6 H 0.187      
7 H 0.187      


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 0.453 0.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.384 1.580 0.000
y 1.580 -38.643 0.000
z 0.000 0.000 -31.905
Traceless
 xyz
x 3.890 1.580 0.000
y 1.580 -6.998 0.000
z 0.000 0.000 3.108
Polar
3z2-r26.216
x2-y27.258
xy1.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.787 0.180 0.000
y 0.180 8.581 0.000
z 0.000 0.000 6.063


<r2> (average value of r2) Å2
<r2> 114.817
(<r2>)1/2 10.715