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All results from a given calculation for H2O (Water)

using model chemistry: B3LYPultrafine/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVQZ
 hartrees
Energy at 0K-76.472240
Energy at 298.15K-76.473337
HF Energy-76.472240
Nuclear repulsion energy9.160392
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 B3LYPultrafine/aug-cc-pVQZ
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 3804 3804 4.68      
2 A1 1630 1630 76.15      
3 B2 3905 3905 63.48      

Unscaled Zero Point Vibrational Energy (zpe) 4669.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4669.2 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 B3LYPultrafine/aug-cc-pVQZ
ABC
27.60850 14.37553 9.45328

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.117
H2 0.000 0.763 -0.467
H3 0.000 -0.763 -0.467

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96070.9607
H20.96071.5255
H30.96071.5255

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.588      
2 H 0.294      
3 H 0.294      


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 -1.846 1.846
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.795 0.000 0.000
y 0.000 -4.462 0.000
z 0.000 0.000 -6.501
Traceless
 xyz
x -2.314 0.000 0.000
y 0.000 2.686 0.000
z 0.000 0.000 -0.372
Polar
3z2-r2-0.744
x2-y2-3.333
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.425 0.000 0.000
y 0.000 1.523 0.000
z 0.000 0.000 1.466


<r2> (average value of r2) Å2
<r2> 5.615
(<r2>)1/2 2.370