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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP/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 B2PLYP/6-311G**
 hartrees
Energy at 0K-836.582960
Energy at 298.15K 
HF Energy-836.441357
Nuclear repulsion energy141.034718
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 B2PLYP/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 235 235 8.53 11.87 0.65 0.78
2 A 299 299 14.33 9.48 0.67 0.80
3 A 642 642 2.57 14.88 0.16 0.28
4 A 915 915 5.27 6.72 0.42 0.59
5 A 1232 1232 2.19 13.00 0.66 0.79
6 A 1459 1459 1.31 13.15 0.72 0.84
7 A 2725 2725 0.59 141.93 0.16 0.27
8 A 3108 3108 9.64 100.98 0.09 0.17
9 B 260 260 39.91 2.84 0.75 0.86
10 B 719 719 2.71 0.44 0.75 0.86
11 B 759 759 35.69 9.92 0.75 0.86
12 B 1026 1026 33.53 4.84 0.75 0.86
13 B 1295 1295 30.00 0.87 0.75 0.86
14 B 2725 2725 2.60 95.19 0.75 0.86
15 B 3164 3164 1.39 66.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10281.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10281.6 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 B2PLYP/6-311G**
ABC
0.89791 0.10371 0.09741

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
S2 0.000 1.556 -0.180
S3 0.000 -1.556 -0.180
H4 0.877 -0.055 1.413
H5 -0.877 0.055 1.413
H6 1.142 1.321 -0.844
H7 -1.142 -1.321 -0.844

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82371.82371.08841.08842.37882.3788
S21.82373.11222.42912.35821.34223.1660
S31.82373.11222.35822.42913.16601.3422
H41.08842.42912.35821.75822.65623.2828
H51.08842.35822.42911.75823.28282.6562
H62.37881.34223.16602.65623.28283.4928
H72.37883.16601.34223.28282.65623.4928

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.229 C1 S3 H7 96.229
S2 C1 S3 117.140 S2 C1 H4 110.498
S2 C1 H5 105.350 S3 C1 H4 105.350
S3 C1 H5 110.498 H4 C1 H5 107.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.505      
2 S -0.001      
3 S -0.001      
4 H 0.177      
5 H 0.177      
6 H 0.076      
7 H 0.076      


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 -32.266 1.934 0.000
y 1.934 -39.990 0.000
z 0.000 0.000 -33.542
Traceless
 xyz
x 4.500 1.934 0.000
y 1.934 -7.086 0.000
z 0.000 0.000 2.586
Polar
3z2-r25.172
x2-y27.724
xy1.934
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.622 0.094 0.000
y 0.094 8.843 0.000
z 0.000 0.000 5.640


<r2> (average value of r2) Å2
<r2> 117.176
(<r2>)1/2 10.825