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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-836.923624
Energy at 298.15K 
HF Energy-836.923624
Nuclear repulsion energy141.841174
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/aug-cc-pVTZ
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 212 203 5.95 3.64 0.38 0.56
2 A 291 278 7.32 1.61 0.17 0.29
3 A 646 618 2.72 15.75 0.14 0.24
4 A 910 870 3.73 8.66 0.08 0.15
5 A 1212 1160 0.39 3.30 0.74 0.85
6 A 1460 1396 1.82 8.65 0.61 0.76
7 A 2732 2614 0.00 142.79 0.07 0.13
8 A 3104 2969 5.29 101.92 0.06 0.12
9 B 234 224 33.65 0.19 0.75 0.86
10 B 713 682 1.38 0.46 0.75 0.86
11 B 771 738 24.23 5.32 0.75 0.86
12 B 1013 969 16.04 1.06 0.75 0.86
13 B 1268 1213 22.79 0.07 0.75 0.86
14 B 2732 2613 0.14 51.86 0.75 0.86
15 B 3162 3025 1.38 53.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10229.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9785.7 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/aug-cc-pVTZ
ABC
0.89369 0.10562 0.09891

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.776
S2 0.000 1.543 -0.179
S3 0.000 -1.543 -0.179
H4 0.878 -0.051 1.414
H5 -0.878 0.051 1.414
H6 1.116 1.292 -0.879
H7 -1.116 -1.292 -0.879

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81431.81431.08661.08662.37802.3780
S21.81433.08522.41862.35211.34133.1259
S31.81433.08522.35212.41863.12591.3413
H41.08662.41862.35211.75922.66843.2825
H51.08662.35212.41861.75923.28252.6684
H62.37801.34133.12592.66843.28253.4149
H72.37803.12591.34133.28252.66843.4149

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.658 C1 S3 H7 96.658
S2 C1 S3 116.477 S2 C1 H4 110.446
S2 C1 H5 105.592 S3 C1 H4 105.592
S3 C1 H5 110.446 H4 C1 H5 108.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.401      
2 S -0.254      
3 S -0.254      
4 H 0.261      
5 H 0.261      
6 H 0.194      
7 H 0.194      


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 0.495 0.495
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.737 1.413 0.000
y 1.413 -38.682 0.000
z 0.000 0.000 -32.497
Traceless
 xyz
x 3.853 1.413 0.000
y 1.413 -6.565 0.000
z 0.000 0.000 2.712
Polar
3z2-r25.424
x2-y26.945
xy1.413
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.319 0.366 0.000
y 0.366 10.473 0.000
z 0.000 0.000 7.790


<r2> (average value of r2) Å2
<r2> 115.137
(<r2>)1/2 10.730