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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBE1PBE/daug-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 PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-836.573513
Energy at 298.15K 
HF Energy-836.573513
Nuclear repulsion energy141.363725
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 PBE1PBE/daug-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 218 218 3.90 5.03 0.38 0.55
2 A 296 296 8.97 0.98 0.18 0.31
3 A 647 647 2.99 14.02 0.14 0.24
4 A 893 893 3.98 9.94 0.08 0.15
5 A 1188 1188 0.37 3.70 0.72 0.84
6 A 1415 1415 1.58 9.05 0.64 0.78
7 A 2702 2702 0.00 153.19 0.06 0.11
8 A 3098 3098 5.84 111.16 0.06 0.12
9 B 243 243 35.96 0.15 0.75 0.86
10 B 702 702 1.19 0.71 0.75 0.86
11 B 773 773 29.23 4.72 0.75 0.86
12 B 991 991 14.41 1.12 0.75 0.86
13 B 1235 1235 24.89 0.09 0.75 0.86
14 B 2701 2701 0.11 53.20 0.75 0.86
15 B 3164 3164 1.81 59.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10132.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10132.1 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 PBE1PBE/daug-cc-pVDZ
ABC
0.88345 0.10523 0.09849

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
S2 0.000 1.546 -0.179
S3 0.000 -1.546 -0.179
H4 0.885 -0.055 1.424
H5 -0.885 0.055 1.424
H6 1.121 1.279 -0.891
H7 -1.121 -1.279 -0.891

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81901.81901.09641.09642.38432.3843
S21.81903.09152.43222.36141.35433.1217
S31.81903.09152.36142.43223.12171.3543
H41.09642.43222.36141.77432.68233.2991
H51.09642.36142.43221.77433.29912.6823
H62.38431.35433.12172.68233.29913.4020
H72.38433.12171.35433.29912.68233.4020

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.318 C1 S3 H7 96.318
S2 C1 S3 116.378 S2 C1 H4 110.623
S2 C1 H5 105.496 S3 C1 H4 105.496
S3 C1 H5 110.623 H4 C1 H5 108.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.147      
2 S 0.086      
3 S 0.086      
4 H -0.307      
5 H -0.307      
6 H 0.147      
7 H 0.147      


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 0.471 0.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.962 1.348 0.000
y 1.348 -38.959 0.000
z 0.000 0.000 -32.671
Traceless
 xyz
x 3.852 1.348 0.000
y 1.348 -6.642 0.000
z 0.000 0.000 2.790
Polar
3z2-r25.579
x2-y26.996
xy1.348
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.428 0.382 0.000
y 0.382 10.715 0.000
z 0.000 0.000 7.904


<r2> (average value of r2) Å2
<r2> 115.703
(<r2>)1/2 10.757