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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: B2PLYP/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 B2PLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-836.649853
Energy at 298.15K 
HF Energy-836.468888
Nuclear repulsion energy141.468543
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 B2PLYP/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 214 214 4.08 4.65 0.37 0.54
2 A 292 292 7.57 1.23 0.17 0.29
3 A 638 638 2.61 15.96 0.13 0.24
4 A 906 906 3.62 9.11 0.08 0.15
5 A 1211 1211 0.56 3.28 0.73 0.84
6 A 1465 1465 1.03 9.32 0.60 0.75
7 A 2711 2711 0.00 149.76 0.06 0.12
8 A 3098 3098 5.64 107.22 0.06 0.12
9 B 240 240 32.53 0.18 0.75 0.86
10 B 716 716 1.69 0.41 0.75 0.86
11 B 755 755 26.35 5.77 0.75 0.86
12 B 1011 1011 16.07 1.02 0.75 0.86
13 B 1265 1265 25.25 0.06 0.75 0.86
14 B 2710 2710 0.10 51.44 0.75 0.86
15 B 3155 3155 1.53 55.88 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10192.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10192.3 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 B2PLYP/daug-cc-pVTZ
ABC
0.89022 0.10495 0.09828

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.779
S2 0.000 1.548 -0.180
S3 0.000 -1.548 -0.180
H4 0.879 -0.054 1.415
H5 -0.879 0.054 1.415
H6 1.115 1.291 -0.880
H7 -1.115 -1.291 -0.880

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82061.82061.08591.08592.37942.3794
S21.82063.09562.42472.35511.34133.1294
S31.82063.09562.35512.42473.12941.3413
H41.08592.42472.35511.76072.67013.2819
H51.08592.35512.42471.76073.28192.6701
H62.37941.34133.12942.67013.28193.4119
H72.37943.12941.34133.28192.67013.4119

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.441 C1 S3 H7 96.441
S2 C1 S3 116.455 S2 C1 H4 110.510
S2 C1 H5 105.436 S3 C1 H4 105.436
S3 C1 H5 110.510 H4 C1 H5 108.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 S -0.546      
3 S -0.546      
4 H 0.400      
5 H 0.400      
6 H 0.250      
7 H 0.250      


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 0.485 0.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.231 1.296 0.000
y 1.296 -39.085 0.000
z 0.000 0.000 -32.997
Traceless
 xyz
x 3.810 1.296 0.000
y 1.296 -6.471 0.000
z 0.000 0.000 2.661
Polar
3z2-r25.322
x2-y26.854
xy1.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.414 0.385 0.000
y 0.385 10.745 0.000
z 0.000 0.000 7.894


<r2> (average value of r2) Å2
<r2> 115.974
(<r2>)1/2 10.769