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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYP/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-836.934966
Energy at 298.15K 
HF Energy-836.934966
Nuclear repulsion energy140.050531
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/aug-cc-pVDZ
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 214 207 4.93 5.38 0.40 0.57
2 A 285 277 7.93 1.57 0.22 0.37
3 A 621 603 2.68 16.36 0.14 0.25
4 A 884 858 3.40 10.14 0.08 0.16
5 A 1184 1149 0.48 3.63 0.72 0.83
6 A 1412 1371 1.01 9.60 0.61 0.76
7 A 2655 2577 0.12 153.02 0.07 0.13
8 A 3081 2990 6.59 107.49 0.07 0.13
9 B 236 229 33.92 0.18 0.75 0.86
10 B 697 676 3.46 0.34 0.75 0.86
11 B 728 706 34.72 6.26 0.75 0.86
12 B 990 960 14.51 1.35 0.75 0.86
13 B 1235 1198 28.94 0.08 0.75 0.86
14 B 2654 2576 0.98 55.70 0.75 0.86
15 B 3143 3050 1.72 59.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10009.8 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 9713.5 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/aug-cc-pVDZ
ABC
0.87980 0.10257 0.09621

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.781
S2 0.000 1.565 -0.181
S3 0.000 -1.565 -0.181
H4 0.886 -0.055 1.423
H5 -0.886 0.055 1.423
H6 1.142 1.324 -0.873
H7 -1.142 -1.324 -0.873

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83671.83671.09591.09592.40642.4064
S21.83673.13002.44582.37431.35693.1826
S31.83673.13002.37432.44583.18261.3569
H41.09592.44582.37431.77582.69023.3157
H51.09592.37432.44581.77583.31572.6902
H62.40641.35693.18262.69023.31573.4969
H72.40643.18261.35693.31572.69023.4969

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.636 C1 S3 H7 96.636
S2 C1 S3 116.872 S2 C1 H4 110.465
S2 C1 H5 105.306 S3 C1 H4 105.306
S3 C1 H5 110.465 H4 C1 H5 108.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 S 0.193      
3 S 0.193      
4 H -0.219      
5 H -0.219      
6 H 0.031      
7 H 0.031      


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 0.497 0.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.127 1.445 0.000
y 1.445 -39.226 0.000
z 0.000 0.000 -33.120
Traceless
 xyz
x 4.046 1.445 0.000
y 1.445 -6.602 0.000
z 0.000 0.000 2.556
Polar
3z2-r25.113
x2-y27.098
xy1.445
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.326 0.385 0.000
y 0.385 10.944 0.000
z 0.000 0.000 7.819


<r2> (average value of r2) Å2
<r2> 118.090
(<r2>)1/2 10.867