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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-836.635088
Energy at 298.15K 
HF Energy-836.458321
Nuclear repulsion energy141.817609
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/Def2TZVPP
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 216 216 4.66 8.29 0.63 0.78
2 A 295 295 9.37 5.54 0.53 0.69
3 A 639 639 2.68 11.75 0.13 0.23
4 A 912 912 3.75 5.66 0.19 0.32
5 A 1213 1213 0.63 6.91 0.58 0.74
6 A 1464 1464 1.12 12.42 0.71 0.83
7 A 2720 2720 0.10 131.54 0.09 0.16
8 A 3098 3098 7.68 109.22 0.07 0.12
9 B 245 245 36.15 1.08 0.75 0.86
10 B 716 716 1.46 0.26 0.75 0.86
11 B 759 759 23.84 7.62 0.75 0.86
12 B 1014 1014 17.30 2.33 0.75 0.86
13 B 1268 1268 23.73 0.26 0.75 0.86
14 B 2720 2720 0.43 68.21 0.75 0.86
15 B 3155 3155 1.52 60.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10216.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10216.0 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/Def2TZVPP
ABC
0.89536 0.10549 0.09874

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.776
S2 0.000 1.544 -0.178
S3 0.000 -1.544 -0.178
H4 0.877 -0.055 1.414
H5 -0.877 0.055 1.414
H6 1.104 1.281 -0.887
H7 -1.104 -1.281 -0.887

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81551.81551.08621.08622.37202.3720
S21.81553.08852.42172.35011.33783.1151
S31.81553.08852.35012.42173.11511.3378
H41.08622.42172.35011.75842.67073.2747
H51.08622.35012.42171.75843.27472.6707
H62.37201.33783.11512.67073.27473.3823
H72.37203.11511.33783.27472.67073.3823

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.388 C1 S3 H7 96.388
S2 C1 S3 116.550 S2 C1 H4 110.618
S2 C1 H5 105.396 S3 C1 H4 105.396
S3 C1 H5 110.618 H4 C1 H5 108.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 S -0.134      
3 S -0.134      
4 H 0.130      
5 H 0.130      
6 H 0.091      
7 H 0.091      


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 0.432 0.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.002 1.366 0.000
y 1.366 -38.764 0.000
z 0.000 0.000 -32.612
Traceless
 xyz
x 3.686 1.366 0.000
y 1.366 -6.457 0.000
z 0.000 0.000 2.772
Polar
3z2-r25.543
x2-y26.762
xy1.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.148 0.155 0.000
y 0.155 9.374 0.000
z 0.000 0.000 6.517


<r2> (average value of r2) Å2
<r2> 115.305
(<r2>)1/2 10.738