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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-836.942164
Energy at 298.15K 
HF Energy-836.942164
Nuclear repulsion energy140.319924
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 B3LYP/6-311G*
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 236 228 8.19 13.02 0.63 0.77
2 A 295 285 16.77 10.85 0.68 0.81
3 A 624 603 2.57 15.31 0.17 0.30
4 A 905 875 5.47 7.78 0.40 0.58
5 A 1232 1190 2.79 14.58 0.67 0.80
6 A 1468 1419 2.39 13.85 0.72 0.84
7 A 2618 2530 2.93 144.07 0.18 0.30
8 A 3086 2982 11.36 98.89 0.10 0.19
9 B 260 252 43.88 3.15 0.75 0.86
10 B 710 686 15.39 0.46 0.75 0.86
11 B 728 703 32.40 9.73 0.75 0.86
12 B 1021 986 34.52 5.52 0.75 0.86
13 B 1288 1244 29.06 1.45 0.75 0.86
14 B 2618 2529 10.10 103.36 0.75 0.86
15 B 3140 3034 2.08 70.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10113.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 9773.1 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 B3LYP/6-311G*
ABC
0.89509 0.10242 0.09628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
S2 0.000 1.566 -0.180
S3 0.000 -1.566 -0.180
H4 0.877 -0.056 1.414
H5 -0.877 0.056 1.414
H6 1.151 1.336 -0.850
H7 -1.151 -1.336 -0.850

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83181.83181.08891.08892.39522.3952
S21.83183.13152.43712.36391.35183.1927
S31.83183.13152.36392.43713.19271.3518
H41.08892.43712.36391.75752.67183.2980
H51.08892.36392.43711.75753.29802.6718
H62.39521.35183.19272.67183.29803.5267
H72.39523.19271.35183.29802.67183.5267

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.428 C1 S3 H7 96.428
S2 C1 S3 117.468 S2 C1 H4 110.519
S2 C1 H5 105.214 S3 C1 H4 105.214
S3 C1 H5 110.519 H4 C1 H5 107.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.718      
2 S -0.073      
3 S -0.073      
4 H 0.274      
5 H 0.274      
6 H 0.158      
7 H 0.158      


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 -32.187 2.073 0.000
y 2.073 -40.144 0.000
z 0.000 0.000 -33.547
Traceless
 xyz
x 4.659 2.073 0.000
y 2.073 -7.277 0.000
z 0.000 0.000 2.618
Polar
3z2-r25.237
x2-y27.957
xy2.073
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.628 0.088 0.000
y 0.088 9.030 0.000
z 0.000 0.000 5.599


<r2> (average value of r2) Å2
<r2> 118.301
(<r2>)1/2 10.877