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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-76.398810
Energy at 298.15K 
Nuclear repulsion energy9.166959
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 mPW1PW91/6-31G**
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/6-31G**
ABC
14.99580 7.30701 4.91303

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.757 -0.473
H3 0.000 -0.757 -0.473

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96020.9602
H20.96021.5136
H30.96021.5136

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 104.019
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.634      
2 H 0.317      
3 H 0.317      


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 -2.073 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.126 0.000 0.000
y 0.000 -4.228 0.000
z 0.000 0.000 -5.950
Traceless
 xyz
x -2.037 0.000 0.000
y 0.000 2.310 0.000
z 0.000 0.000 -0.272
Polar
3z2-r2-0.545
x2-y2-2.898
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.446 0.000 0.000
y 0.000 1.074 0.000
z 0.000 0.000 0.802


<r2> (average value of r2) Å2
<r2> 5.307
(<r2>)1/2 2.304