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All results from a given calculation for D2O (Deuterium oxide)

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-16.851326
Energy at 298.15K 
Nuclear repulsion energy7.023125
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 HF/CEP-31G*
Rotational Constants (cm-1) from geometry optimized at HF/CEP-31G*
ABC
15.92204 7.26389 4.98820

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.143
H2 0.000 0.759 -0.430
H3 0.000 -0.759 -0.430

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95140.9514
H20.95141.5181
H30.95141.5181

picture of Deuterium oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.842
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.816      
2 H 0.408      
3 H 0.408      


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 -2.295 2.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.455 0.000 0.000
y 0.000 -4.149 0.000
z 0.000 0.000 -6.333
Traceless
 xyz
x -2.214 0.000 0.000
y 0.000 2.745 0.000
z 0.000 0.000 -0.531
Polar
3z2-r2-1.062
x2-y2-3.307
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.358 0.000 0.000
y 0.000 1.087 0.000
z 0.000 0.000 0.763


<r2> (average value of r2) Å2
<r2> 5.380
(<r2>)1/2 2.320