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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-836.622207
Energy at 298.15K 
HF Energy-836.622207
Nuclear repulsion energy141.413573
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/6-311G**
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 229 220 10.11 12.32 0.65 0.79
2 A 297 285 14.91 8.97 0.66 0.80
3 A 647 621 2.72 13.00 0.17 0.30
4 A 904 869 5.47 7.19 0.39 0.56
5 A 1221 1172 1.87 13.20 0.65 0.79
6 A 1443 1386 2.64 12.68 0.73 0.84
7 A 2704 2597 0.19 143.34 0.15 0.26
8 A 3102 2980 7.66 104.10 0.09 0.16
9 B 255 245 44.07 2.72 0.75 0.86
10 B 711 683 2.49 0.84 0.75 0.86
11 B 764 734 39.74 8.26 0.75 0.86
12 B 1013 973 32.18 4.86 0.75 0.86
13 B 1277 1226 26.93 1.34 0.75 0.86
14 B 2703 2596 1.16 96.19 0.75 0.86
15 B 3160 3035 0.98 67.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10215.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 9810.7 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 HSEh1PBE/6-311G**
ABC
0.90198 0.10443 0.09810

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.767
S2 0.000 1.551 -0.179
S3 0.000 -1.551 -0.179
H4 0.878 -0.056 1.411
H5 -0.878 0.056 1.411
H6 1.145 1.317 -0.848
H7 -1.145 -1.317 -0.848

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81621.81621.09001.09002.37812.3781
S21.81623.10102.42422.35191.34693.1596
S31.81623.10102.35192.42423.15961.3469
H41.09002.42422.35191.75922.65693.2843
H51.09002.35192.42421.75923.28432.6569
H62.37811.34693.15962.65693.28433.4906
H72.37813.15961.34693.28432.65693.4906

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.367 C1 S3 H7 96.367
S2 C1 S3 117.237 S2 C1 H4 110.557
S2 C1 H5 105.303 S3 C1 H4 105.303
S3 C1 H5 110.557 H4 C1 H5 107.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.563      
2 S -0.023      
3 S -0.023      
4 H 0.204      
5 H 0.204      
6 H 0.101      
7 H 0.101      


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 0.428 0.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.883 2.047 0.000
y 2.047 -39.778 0.000
z 0.000 0.000 -33.139
Traceless
 xyz
x 4.575 2.047 0.000
y 2.047 -7.267 0.000
z 0.000 0.000 2.692
Polar
3z2-r25.384
x2-y27.894
xy2.047
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.636 0.106 0.000
y 0.106 8.861 0.000
z 0.000 0.000 5.655


<r2> (average value of r2) Å2
<r2> 116.361
(<r2>)1/2 10.787