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All results from a given calculation for H2O (Water)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-76.414317
Energy at 298.15K-76.415412
HF Energy-76.414317
Nuclear repulsion energy8.997371
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 B3LYP/LANL2DZ
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 3671 3529 2.69 93.29 0.21 0.34
2 A1 1577 1515 88.32 15.36 0.42 0.59
3 B2 3863 3713 16.91 41.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4555.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 4378.7 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 B3LYP/LANL2DZ
ABC
30.01491 13.05485 9.09780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.112
H2 0.000 0.800 -0.448
H3 0.000 -0.800 -0.448

Atom - Atom Distances (Å)
  O1 H2 H3
O10.97690.9769
H20.97691.6008
H30.97691.6008

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 110.029
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.711      
2 H 0.356      
3 H 0.356      


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 -2.462 2.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.402 0.000 0.000
y 0.000 -3.973 0.000
z 0.000 0.000 -6.407
Traceless
 xyz
x -2.212 0.000 0.000
y 0.000 2.932 0.000
z 0.000 0.000 -0.720
Polar
3z2-r2-1.440
x2-y2-3.429
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.222 0.000 0.000
y 0.000 1.138 0.000
z 0.000 0.000 0.718


<r2> (average value of r2) Å2
<r2> 5.485
(<r2>)1/2 2.342