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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-827.311872
Energy at 298.15K 
HF Energy-827.311872
Nuclear repulsion energy140.765544
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/STO-3G
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 228 201 9.83 20.13 0.72 0.84
2 A 308 272 10.03 6.03 0.63 0.77
3 A 760 671 1.41 9.07 0.13 0.23
4 A 1040 918 0.24 10.10 0.53 0.70
5 A 1363 1204 0.77 20.21 0.75 0.86
6 A 1662 1468 0.62 15.11 0.75 0.86
7 A 3014 2662 4.92 83.59 0.17 0.30
8 A 3359 2967 4.88 39.42 0.14 0.24
9 B 268 236 21.65 6.05 0.75 0.86
10 B 794 701 0.42 1.05 0.75 0.86
11 B 924 816 22.31 7.70 0.75 0.86
12 B 1169 1033 21.60 4.47 0.75 0.86
13 B 1424 1258 24.31 4.09 0.75 0.86
14 B 3014 2662 38.12 37.98 0.75 0.86
15 B 3473 3067 0.93 32.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11399.4 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 10066.9 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/STO-3G
ABC
0.90045 0.10316 0.09731

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.760
S2 0.000 1.558 -0.184
S3 0.000 -1.558 -0.184
H4 0.882 -0.048 1.418
H5 -0.882 0.048 1.418
H6 1.208 1.336 -0.758
H7 -1.208 -1.336 -0.758

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82171.82171.10141.10142.35592.3559
S21.82173.11682.43362.37201.35633.1891
S31.82173.11682.37202.43363.18911.3563
H41.10142.43362.37201.76592.59973.2812
H51.10142.37202.43361.76593.28122.5997
H62.35591.35633.18912.59973.28123.6035
H72.35593.18911.35633.28122.59973.6035

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 94.549 C1 S3 H7 94.549
S2 C1 S3 117.618 S2 C1 H4 110.274
S2 C1 H5 105.826 S3 C1 H4 105.826
S3 C1 H5 110.274 H4 C1 H5 106.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.308      
2 S 0.079      
3 S 0.079      
4 H 0.086      
5 H 0.086      
6 H -0.011      
7 H -0.011      


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 0.178 0.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.916 1.816 0.000
y 1.816 -32.892 0.000
z 0.000 0.000 -29.078
Traceless
 xyz
x 3.069 1.816 0.000
y 1.816 -4.395 0.000
z 0.000 0.000 1.327
Polar
3z2-r22.653
x2-y24.976
xy1.816
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.695 0.140 0.000
y 0.140 3.682 0.000
z 0.000 0.000 2.148


<r2> (average value of r2) Å2
<r2> 114.197
(<r2>)1/2 10.686