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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-836.562053
Energy at 298.15K 
HF Energy-836.562053
Nuclear repulsion energy141.449655
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 HSEh1PBE/6-31G**
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 232 222 6.82 10.74 0.61 0.76
2 A 304 290 19.67 7.26 0.63 0.77
3 A 650 620 3.71 13.81 0.21 0.34
4 A 913 872 4.90 10.54 0.49 0.66
5 A 1222 1166 1.21 21.76 0.67 0.80
6 A 1463 1396 3.11 16.95 0.74 0.85
7 A 2727 2602 2.14 121.30 0.15 0.26
8 A 3115 2973 6.93 96.57 0.10 0.19
9 B 256 245 47.80 1.01 0.75 0.86
10 B 719 686 1.57 2.01 0.75 0.86
11 B 773 738 31.95 8.82 0.75 0.86
12 B 1019 972 29.47 7.33 0.75 0.86
13 B 1281 1222 24.35 3.86 0.75 0.86
14 B 2727 2602 6.01 94.41 0.75 0.86
15 B 3179 3034 0.73 68.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10289.3 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 9819.1 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 HSEh1PBE/6-31G**
ABC
0.89529 0.10482 0.09823

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.773
S2 0.000 1.549 -0.178
S3 0.000 -1.549 -0.178
H4 0.879 -0.057 1.418
H5 -0.879 0.057 1.418
H6 1.117 1.292 -0.883
H7 -1.117 -1.292 -0.883

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81751.81751.09191.09192.37842.3784
S21.81753.09762.42862.35531.34523.1325
S31.81753.09762.35532.42863.13251.3452
H41.09192.42862.35531.76172.67743.2867
H51.09192.35532.42861.76173.28672.6774
H62.37841.34523.13252.67743.28673.4151
H72.37843.13251.34523.28672.67743.4151

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.388 C1 S3 H7 96.388
S2 C1 S3 116.892 S2 C1 H4 110.693
S2 C1 H5 105.369 S3 C1 H4 105.369
S3 C1 H5 110.693 H4 C1 H5 107.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.552      
2 S -0.023      
3 S -0.023      
4 H 0.205      
5 H 0.205      
6 H 0.094      
7 H 0.094      


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 0.422 0.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.542 2.020 0.000
y 2.020 -39.153 0.000
z 0.000 0.000 -32.194
Traceless
 xyz
x 4.131 2.020 0.000
y 2.020 -7.285 0.000
z 0.000 0.000 3.154
Polar
3z2-r26.308
x2-y27.611
xy2.020
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.298 0.134 0.000
y 0.134 7.941 0.000
z 0.000 0.000 5.449


<r2> (average value of r2) Å2
<r2> 115.746
(<r2>)1/2 10.759