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All results from a given calculation for H2O (Water)

using model chemistry: B2PLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-76.409462
Energy at 298.15K-76.410559
HF Energy-76.325724
Nuclear repulsion energy9.174649
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 B2PLYP/6-311+G(3df,2p)
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 3843 3843 7.58 83.09 0.08 0.16
2 A1 1633 1633 74.22 2.42 0.56 0.72
3 B2 3956 3956 65.41 28.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4716.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4716.2 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 B2PLYP/6-311+G(3df,2p)
ABC
27.59159 14.45005 9.48345

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.117
H2 0.000 0.761 -0.467
H3 0.000 -0.761 -0.467

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95920.9592
H20.95921.5216
H30.95921.5216

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.476      
2 H 0.238      
3 H 0.238      


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 -1.922 1.922
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.822 0.000 0.000
y 0.000 -4.432 0.000
z 0.000 0.000 -6.463
Traceless
 xyz
x -2.375 0.000 0.000
y 0.000 2.711 0.000
z 0.000 0.000 -0.336
Polar
3z2-r2-0.671
x2-y2-3.390
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.219 0.000 0.000
y 0.000 1.347 0.000
z 0.000 0.000 1.213


<r2> (average value of r2) Å2
<r2> 5.600
(<r2>)1/2 2.366