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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-75.949471
Energy at 298.15K-75.947324
Nuclear repulsion energy8.868934
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 B3PW91/3-21G*
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 2497 2395 3.82      
2 A1 1242 1192 23.17      
3 B2 2651 2544 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 3195.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 3065.4 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 B3PW91/3-21G*
ABC
14.15719 6.80637 4.59650

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.122
H2 0.000 0.784 -0.487
H3 0.000 -0.784 -0.487

Atom - Atom Distances (Å)
  O1 H2 H3
O10.99240.9924
H20.99241.5682
H30.99241.5682

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 104.392
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.665      
2 H 0.332      
3 H 0.332      


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 -2.296 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.851 0.000 0.000
y 0.000 -4.162 0.000
z 0.000 0.000 -5.812
Traceless
 xyz
x -1.864 0.000 0.000
y 0.000 2.170 0.000
z 0.000 0.000 -0.306
Polar
3z2-r2-0.611
x2-y2-2.689
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.119 0.000 0.000
y 0.000 1.080 0.000
z 0.000 0.000 0.646


<r2> (average value of r2) Å2
<r2> 5.325
(<r2>)1/2 2.308