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All results from a given calculation for H2S (Hydrogen sulfide)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-399.186506
Energy at 298.15K-399.187609
HF Energy-399.186506
Nuclear repulsion energy12.734110
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2630 2587 10.00 148.85 0.23 0.38
2 A1 1210 1190 3.63 46.89 0.72 0.84
3 B2 2655 2611 12.44 112.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3247.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 3193.7 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 PBEPBEultrafine/6-31G*
ABC
10.01361 8.72985 4.66388

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.105
H2 0.000 0.979 -0.838
H3 0.000 -0.979 -0.838

Atom - Atom Distances (Å)
  S1 H2 H3
S11.35861.3586
H21.35861.9576
H31.35861.9576

picture of Hydrogen sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 S1 H3 92.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.261      
2 H 0.131      
3 H 0.131      


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 -1.485 1.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.621 0.000 0.000
y 0.000 -12.189 0.000
z 0.000 0.000 -13.479
Traceless
 xyz
x -3.787 0.000 0.000
y 0.000 2.860 0.000
z 0.000 0.000 0.926
Polar
3z2-r21.853
x2-y2-4.432
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.638 0.000 0.000
y 0.000 2.591 0.000
z 0.000 0.000 2.354


<r2> (average value of r2) Å2
<r2> 12.299
(<r2>)1/2 3.507