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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-60.687571
Energy at 298.15K 
HF Energy-60.687571
Nuclear repulsion energy47.382422
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 B3LYP/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 236 227 11.57 41.39 0.68 0.81
2 A 283 272 25.78 30.35 0.70 0.82
3 A 595 572 5.63 22.35 0.12 0.22
4 A 879 845 2.82 16.89 0.64 0.78
5 A 1223 1176 1.59 22.03 0.74 0.85
6 A 1466 1409 3.32 14.43 0.75 0.86
7 A 2511 2414 10.48 164.52 0.14 0.25
8 A 3132 3010 16.45 115.64 0.05 0.10
9 B 250 240 54.42 18.69 0.75 0.86
10 B 689 662 53.25 12.83 0.75 0.86
11 B 719 691 0.16 4.18 0.75 0.86
12 B 1003 964 22.81 9.31 0.75 0.86
13 B 1290 1240 14.71 1.40 0.75 0.86
14 B 2511 2413 31.19 94.34 0.75 0.86
15 B 3215 3090 3.01 59.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10000.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9612.2 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 B3LYP/LANL2DZ
ABC
0.84170 0.09742 0.09142

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.807
S2 0.000 1.605 -0.187
S3 0.000 -1.605 -0.187
H4 0.889 -0.055 1.436
H5 -0.889 0.055 1.436
H6 1.179 1.378 -0.865
H7 -1.179 -1.378 -0.865

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.88811.88811.09051.09052.46642.4664
S21.88813.21092.48662.41411.37873.2790
S31.88813.21092.41412.48663.27901.3787
H41.09052.48662.41411.78102.72653.3645
H51.09052.41412.48661.78103.36452.7265
H62.46641.37873.27902.72653.36453.6275
H72.46643.27901.37873.36452.72653.6275

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.812 C1 S3 H7 96.812
S2 C1 S3 116.485 S2 C1 H4 110.301
S2 C1 H5 105.111 S3 C1 H4 105.111
S3 C1 H5 110.301 H4 C1 H5 109.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.784      
2 S 0.004      
3 S 0.004      
4 H 0.294      
5 H 0.294      
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 0.421 0.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.429 2.785 0.000
y 2.785 -39.076 0.000
z 0.000 0.000 -31.290
Traceless
 xyz
x 4.754 2.785 0.000
y 2.785 -8.217 0.000
z 0.000 0.000 3.463
Polar
3z2-r26.925
x2-y28.648
xy2.785
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.915 -0.200 0.000
y -0.200 8.065 0.000
z 0.000 0.000 4.518


<r2> (average value of r2) Å2
<r2> 70.025
(<r2>)1/2 8.368