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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-836.498845
Energy at 298.15K 
HF Energy-836.498845
Nuclear repulsion energy139.927983
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/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 204 202 4.25 6.18 0.39 0.56
2 A 283 281 7.66 1.21 0.20 0.34
3 A 612 608 2.35 13.06 0.15 0.26
4 A 855 850 3.63 11.82 0.08 0.14
5 A 1141 1134 0.53 3.97 0.70 0.82
6 A 1359 1350 1.20 9.69 0.63 0.77
7 A 2596 2580 0.10 160.81 0.06 0.12
8 A 3012 2993 6.08 116.32 0.06 0.12
9 B 234 233 35.75 0.23 0.75 0.86
10 B 674 670 3.05 0.65 0.75 0.86
11 B 714 709 40.04 4.33 0.75 0.86
12 B 952 947 13.35 1.30 0.75 0.86
13 B 1185 1178 27.72 0.24 0.75 0.86
14 B 2595 2579 0.89 54.95 0.75 0.86
15 B 3076 3057 2.13 63.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9744.6 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 9685.2 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/aug-cc-pVDZ
ABC
0.87536 0.10264 0.09628

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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 0.892 -0.059 1.429
H5 -0.892 0.059 1.429
H6 1.147 1.307 -0.878
H7 -1.147 -1.307 -0.878

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83641.83641.10431.10432.40312.4031
S21.83643.12912.45402.37761.36673.1699
S31.83643.12912.37762.45403.16991.3667
H41.10432.45402.37761.78852.69273.3221
H51.10432.37762.45401.78853.32212.6927
H62.40311.36673.16992.69273.32213.4781
H72.40313.16991.36673.32212.69273.4781

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.117 C1 S3 H7 96.117
S2 C1 S3 116.856 S2 C1 H4 110.653
S2 C1 H5 105.168 S3 C1 H4 105.168
S3 C1 H5 110.653 H4 C1 H5 108.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 S 0.105      
3 S 0.105      
4 H -0.128      
5 H -0.128      
6 H 0.120      
7 H 0.120      


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 0.486 0.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.102 1.351 0.000
y 1.351 -39.062 0.000
z 0.000 0.000 -33.083
Traceless
 xyz
x 3.971 1.351 0.000
y 1.351 -6.470 0.000
z 0.000 0.000 2.499
Polar
3z2-r24.998
x2-y26.961
xy1.351
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.525 0.423 0.000
y 0.423 11.349 0.000
z 0.000 0.000 8.041


<r2> (average value of r2) Å2
<r2> 118.009
(<r2>)1/2 10.863