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

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-76.061298
Energy at 298.15K-76.059155
HF Energy-76.061298
Nuclear repulsion energy9.348678
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/daug-cc-pVTZ
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 2970 2687 10.36      
2 A1 1278 1156 51.18      
3 B2 3096 2801 54.57      

Unscaled Zero Point Vibrational Energy (zpe) 3671.8 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 3321.5 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 HF/daug-cc-pVTZ
ABC
16.46144 7.37696 5.09411

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.113
H2 0.000 0.753 -0.451
H3 0.000 -0.753 -0.451

Atom - Atom Distances (Å)
  O1 H2 H3
O10.94100.9410
H20.94101.5064
H30.94101.5064

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 106.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.391      
2 H 0.195      
3 H 0.195      


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 -1.938 1.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.522 0.000 0.000
y 0.000 -4.202 0.000
z 0.000 0.000 -6.288
Traceless
 xyz
x -2.277 0.000 0.000
y 0.000 2.704 0.000
z 0.000 0.000 -0.426
Polar
3z2-r2-0.852
x2-y2-3.321
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.162 0.000 0.000
y 0.000 1.320 0.000
z 0.000 0.000 1.232


<r2> (average value of r2) Å2
<r2> 5.394
(<r2>)1/2 2.322