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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-836.499585
Energy at 298.15K 
HF Energy-836.499585
Nuclear repulsion energy139.916240
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 PBEPBEultrafine/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 202 202 4.12 6.61 0.38 0.55
2 A 282 282 7.36 1.10 0.15 0.26
3 A 611 611 2.31 13.43 0.14 0.25
4 A 856 856 3.63 12.17 0.08 0.15
5 A 1143 1143 0.54 4.07 0.72 0.84
6 A 1362 1362 1.18 10.17 0.64 0.78
7 A 2597 2597 0.09 165.62 0.06 0.11
8 A 3010 3010 6.48 118.71 0.06 0.12
9 B 236 236 34.88 0.26 0.75 0.86
10 B 674 674 2.95 0.74 0.75 0.86
11 B 713 713 39.83 3.99 0.75 0.86
12 B 953 953 13.02 1.25 0.75 0.86
13 B 1183 1183 27.61 0.36 0.75 0.86
14 B 2597 2597 0.76 53.95 0.75 0.86
15 B 3074 3074 2.09 64.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9747.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9747.2 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 PBEPBEultrafine/daug-cc-pVDZ
ABC
0.87587 0.10259 0.09624

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.565 -0.181
S3 0.000 -1.565 -0.181
H4 0.892 -0.059 1.428
H5 -0.892 0.059 1.428
H6 1.146 1.307 -0.878
H7 -1.146 -1.307 -0.878

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83661.83661.10401.10402.40242.4024
S21.83663.13002.45382.37761.36643.1697
S31.83663.13002.37762.45383.16971.3664
H41.10402.45382.37761.78792.69203.3212
H51.10402.37762.45381.78793.32122.6920
H62.40241.36643.16972.69203.32123.4767
H72.40243.16971.36643.32122.69203.4767

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.081 C1 S3 H7 96.081
S2 C1 S3 116.885 S2 C1 H4 110.638
S2 C1 H5 105.171 S3 C1 H4 105.171
S3 C1 H5 110.638 H4 C1 H5 108.144
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.271      
2 S 0.090      
3 S 0.090      
4 H -0.372      
5 H -0.372      
6 H 0.146      
7 H 0.146      


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 0.488 0.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.115 1.310 0.000
y 1.310 -38.999 0.000
z 0.000 0.000 -33.116
Traceless
 xyz
x 3.942 1.310 0.000
y 1.310 -6.384 0.000
z 0.000 0.000 2.441
Polar
3z2-r24.883
x2-y26.884
xy1.310
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.793 0.454 0.000
y 0.454 11.498 0.000
z 0.000 0.000 8.287


<r2> (average value of r2) Å2
<r2> 118.037
(<r2>)1/2 10.864