return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: wB97X-D/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-311+G(3df,2p)
 hartrees
Energy at 0K-836.916208
Energy at 298.15K 
HF Energy-836.916208
Nuclear repulsion energy142.142301
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 wB97X-D/6-311+G(3df,2p)
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 209 209 6.74 3.44 0.46 0.63
2 A 291 291 6.84 1.86 0.18 0.30
3 A 649 649 2.26 14.38 0.13 0.24
4 A 916 916 3.73 7.72 0.08 0.15
5 A 1215 1215 0.36 4.07 0.65 0.79
6 A 1460 1460 2.29 10.12 0.59 0.74
7 A 2742 2742 0.00 133.23 0.07 0.14
8 A 3093 3093 5.23 91.66 0.08 0.14
9 B 232 232 32.48 0.10 0.75 0.86
10 B 712 712 1.43 0.72 0.75 0.86
11 B 778 778 22.93 4.76 0.75 0.86
12 B 1018 1018 17.52 1.06 0.75 0.86
13 B 1270 1270 21.49 0.07 0.75 0.86
14 B 2742 2742 0.04 51.65 0.75 0.86
15 B 3152 3152 1.57 53.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10239.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10239.3 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 wB97X-D/6-311+G(3df,2p)
ABC
0.90040 0.10597 0.09931

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.771
S2 0.000 1.540 -0.178
S3 0.000 -1.540 -0.178
H4 0.878 -0.052 1.411
H5 -0.878 0.052 1.411
H6 1.120 1.296 -0.870
H7 -1.120 -1.296 -0.870

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.80901.80901.08741.08742.37202.3720
S21.80903.07962.41492.34721.33833.1263
S31.80903.07962.34722.41493.12631.3383
H41.08742.41492.34721.75822.66073.2770
H51.08742.34722.41491.75823.27702.6607
H62.37201.33833.12632.66073.27703.4256
H72.37203.12631.33833.27702.66073.4256

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.669 C1 S3 H7 96.669
S2 C1 S3 116.677 S2 C1 H4 110.480
S2 C1 H5 105.546 S3 C1 H4 105.546
S3 C1 H5 110.480 H4 C1 H5 107.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.121      
2 S -0.287      
3 S -0.287      
4 H 0.187      
5 H 0.187      
6 H 0.160      
7 H 0.160      


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 0.489 0.489
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.714 1.425 0.000
y 1.425 -38.665 0.000
z 0.000 0.000 -32.598
Traceless
 xyz
x 3.917 1.425 0.000
y 1.425 -6.509 0.000
z 0.000 0.000 2.592
Polar
3z2-r25.184
x2-y26.951
xy1.425
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.047 0.357 0.000
y 0.357 10.214 0.000
z 0.000 0.000 7.493


<r2> (average value of r2) Å2
<r2> 114.804
(<r2>)1/2 10.715