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All results from a given calculation for H2O (Water)

using model chemistry: B3LYPultrafine/6-311G*

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/6-311G*
 hartrees
Energy at 0K-76.433933
Energy at 298.15K-76.435031
HF Energy-76.433933
Nuclear repulsion energy9.140137
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/6-311G*
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 3765 3638 0.09 77.48 0.21 0.34
2 A1 1708 1650 88.22 7.30 0.57 0.73
3 B2 3879 3748 13.21 39.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4675.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 4518.1 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/6-311G*
ABC
28.02704 14.16124 9.40777

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.116
H2 0.000 0.768 -0.464
H3 0.000 -0.768 -0.464

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96260.9626
H20.96261.5370
H30.96261.5370

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.797      
2 H 0.399      
3 H 0.399      


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 -2.261 2.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.343 0.000 0.000
y 0.000 -4.211 0.000
z 0.000 0.000 -6.179
Traceless
 xyz
x -2.148 0.000 0.000
y 0.000 2.550 0.000
z 0.000 0.000 -0.401
Polar
3z2-r2-0.803
x2-y2-3.132
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.486 0.000 0.000
y 0.000 1.119 0.000
z 0.000 0.000 0.794


<r2> (average value of r2) Å2
<r2> 5.411
(<r2>)1/2 2.326