return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-76.076150
Energy at 298.15K 
Nuclear repulsion energy9.043858
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 LSDA/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at LSDA/aug-cc-pVDZ
ABC
14.80160 7.05580 4.77811

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.119
H2 0.000 0.770 -0.476
H3 0.000 -0.770 -0.476

Atom - Atom Distances (Å)
  O1 H2 H3
O10.97320.9732
H20.97321.5403
H30.97321.5403

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 104.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.205      
2 H 0.102      
3 H 0.102      


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 -1.860 1.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.940 0.000 0.000
y 0.000 -4.556 0.000
z 0.000 0.000 -6.591
Traceless
 xyz
x -2.367 0.000 0.000
y 0.000 2.710 0.000
z 0.000 0.000 -0.343
Polar
3z2-r2-0.685
x2-y2-3.384
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.408 0.000 0.000
y 0.000 1.573 0.000
z 0.000 0.000 1.460


<r2> (average value of r2) Å2
<r2> 5.726
(<r2>)1/2 2.393