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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-835.299803
Energy at 298.15K 
HF Energy-835.299803
Nuclear repulsion energy142.157616
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 HF/cc-pVTZ
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 241 219 6.68 8.20 0.66 0.79
2 A 309 281 12.10 5.59 0.54 0.70
3 A 686 624 4.25 20.16 0.12 0.22
4 A 978 890 3.72 4.94 0.31 0.47
5 A 1311 1193 0.39 6.36 0.71 0.83
6 A 1579 1437 0.85 10.11 0.70 0.82
7 A 2853 2597 0.39 136.68 0.11 0.19
8 A 3227 2937 11.59 101.39 0.08 0.15
9 B 256 233 36.70 1.28 0.75 0.86
10 B 768 699 0.38 0.68 0.75 0.86
11 B 831 757 22.08 10.97 0.75 0.86
12 B 1099 1000 20.35 1.94 0.75 0.86
13 B 1382 1258 27.56 0.17 0.75 0.86
14 B 2853 2596 0.93 78.01 0.75 0.86
15 B 3283 2988 1.98 60.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10827.7 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 9854.3 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 HF/cc-pVTZ
ABC
0.89874 0.10593 0.09913

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.776
S2 0.000 1.540 -0.178
S3 0.000 -1.540 -0.178
H4 0.872 -0.049 1.409
H5 -0.872 0.049 1.409
H6 1.101 1.313 -0.888
H7 -1.101 -1.313 -0.888

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81191.81191.07821.07822.38832.3883
S21.81193.08042.40912.34591.32933.1390
S31.81193.08042.34592.40913.13901.3293
H41.07822.40912.34591.74582.68013.2808
H51.07822.34592.40911.74583.28082.6801
H62.38831.32933.13902.68013.28083.4258
H72.38833.13901.32933.28082.68013.4258

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 97.803 C1 S3 H7 97.803
S2 C1 S3 116.435 S2 C1 H4 110.340
S2 C1 H5 105.709 S3 C1 H4 105.709
S3 C1 H5 110.340 H4 C1 H5 108.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.144      
2 S -0.160      
3 S -0.160      
4 H 0.128      
5 H 0.128      
6 H 0.104      
7 H 0.104      


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 0.479 0.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.976 1.733 0.000
y 1.733 -39.359 0.000
z 0.000 0.000 -32.554
Traceless
 xyz
x 3.981 1.733 0.000
y 1.733 -7.094 0.000
z 0.000 0.000 3.113
Polar
3z2-r26.226
x2-y27.383
xy1.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.916 0.147 0.000
y 0.147 8.782 0.000
z 0.000 0.000 6.226


<r2> (average value of r2) Å2
<r2> 115.110
(<r2>)1/2 10.729