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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: PBEPBE/daug-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 PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-836.539214
Energy at 298.15K 
HF Energy-836.539214
Nuclear repulsion energy140.621822
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 PBEPBE/daug-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 195 195 4.34 6.17 0.39 0.56
2 A 281 281 6.95 1.16 0.15 0.26
3 A 614 614 2.02 12.85 0.14 0.25
4 A 864 864 3.48 11.34 0.08 0.15
5 A 1156 1156 0.57 3.73 0.72 0.84
6 A 1392 1392 1.45 9.87 0.62 0.77
7 A 2608 2608 0.02 159.57 0.06 0.12
8 A 3009 3009 5.13 116.02 0.06 0.12
9 B 234 234 33.73 0.27 0.75 0.86
10 B 679 679 4.00 0.62 0.75 0.86
11 B 712 712 35.91 3.91 0.75 0.86
12 B 965 965 13.90 1.14 0.75 0.86
13 B 1202 1202 25.32 0.24 0.75 0.86
14 B 2607 2607 0.32 53.04 0.75 0.86
15 B 3063 3063 2.00 61.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9790.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9790.3 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 PBEPBE/daug-cc-pVTZ
ABC
0.88878 0.10342 0.09706

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.775
S2 0.000 1.559 -0.180
S3 0.000 -1.559 -0.180
H4 0.886 -0.058 1.417
H5 -0.886 0.058 1.417
H6 1.141 1.310 -0.869
H7 -1.141 -1.310 -0.869

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82741.82741.09591.09592.39132.3913
S21.82743.11722.43892.36361.35593.1632
S31.82743.11722.36362.43893.16321.3559
H41.09592.43892.36361.77522.67643.3017
H51.09592.36362.43891.77523.30172.6764
H62.39131.35593.16322.67643.30173.4745
H72.39133.16321.35593.30172.67643.4745

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.260 C1 S3 H7 96.260
S2 C1 S3 117.055 S2 C1 H4 110.573
S2 C1 H5 105.135 S3 C1 H4 105.135
S3 C1 H5 110.573 H4 C1 H5 108.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.292      
2 S -0.569      
3 S -0.569      
4 H 0.242      
5 H 0.242      
6 H 0.181      
7 H 0.181      


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 0.502 0.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.011 1.315 0.000
y 1.315 -38.842 0.000
z 0.000 0.000 -33.034
Traceless
 xyz
x 3.927 1.315 0.000
y 1.315 -6.320 0.000
z 0.000 0.000 2.393
Polar
3z2-r24.786
x2-y26.831
xy1.315
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.720 0.452 0.000
y 0.452 11.435 0.000
z 0.000 0.000 8.213


<r2> (average value of r2) Å2
<r2> 117.135
(<r2>)1/2 10.823