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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/daug-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 wB97X-D/daug-cc-pVDZ
 hartrees
Energy at 0K-836.884400
Energy at 298.15K 
HF Energy-836.884400
Nuclear repulsion energy141.119130
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/daug-cc-pVDZ
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 222 222 5.48 4.19 0.38 0.55
2 A 293 293 8.56 1.51 0.18 0.31
3 A 646 646 3.17 16.80 0.14 0.24
4 A 900 900 3.91 9.03 0.08 0.16
5 A 1197 1197 0.32 3.52 0.74 0.85
6 A 1428 1428 1.55 8.85 0.62 0.76
7 A 2721 2721 0.03 143.67 0.07 0.12
8 A 3100 3100 6.49 101.11 0.06 0.12
9 B 239 239 35.60 0.13 0.75 0.86
10 B 708 708 1.29 0.50 0.75 0.86
11 B 775 775 26.33 5.78 0.75 0.86
12 B 1001 1001 14.69 1.15 0.75 0.86
13 B 1249 1249 25.19 0.08 0.75 0.86
14 B 2720 2720 0.33 51.81 0.75 0.86
15 B 3166 3166 1.38 53.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10182.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10182.6 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 wB97X-D/daug-cc-pVDZ
ABC
0.88062 0.10478 0.09808

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.782
S2 0.000 1.549 -0.180
S3 0.000 -1.549 -0.180
H4 0.885 -0.052 1.425
H5 -0.885 0.052 1.425
H6 1.124 1.292 -0.887
H7 -1.124 -1.292 -0.887

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82311.82311.09551.09552.39092.3909
S21.82313.09762.43372.36631.35233.1360
S31.82313.09762.36632.43373.13601.3523
H41.09552.43372.36631.77382.68463.3043
H51.09552.36632.43371.77383.30432.6846
H62.39091.35233.13602.68463.30433.4255
H72.39093.13601.35233.30432.68463.4255

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.571 C1 S3 H7 96.571
S2 C1 S3 116.322 S2 C1 H4 110.498
S2 C1 H5 105.617 S3 C1 H4 105.617
S3 C1 H5 110.498 H4 C1 H5 108.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.341      
2 S 0.120      
3 S 0.120      
4 H -0.374      
5 H -0.374      
6 H 0.083      
7 H 0.083      


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 0.482 0.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.848 1.463 0.000
y 1.463 -38.991 0.000
z 0.000 0.000 -32.601
Traceless
 xyz
x 3.948 1.463 0.000
y 1.463 -6.766 0.000
z 0.000 0.000 2.818
Polar
3z2-r25.636
x2-y27.143
xy1.463
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.405 0.356 0.000
y 0.356 10.564 0.000
z 0.000 0.000 7.874


<r2> (average value of r2) Å2
<r2> 116.074
(<r2>)1/2 10.774