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All results from a given calculation for H2O (Water)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-311+G(3df,2pd)
 hartrees
Energy at 0K-76.097398
Energy at 298.15K-76.098493
HF Energy-76.097398
Nuclear repulsion energy9.084665
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 LSDA/6-311+G(3df,2pd)
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 3750 3750 9.12      
2 A1 1550 1550 76.84      
3 B2 3856 3856 77.88      

Unscaled Zero Point Vibrational Energy (zpe) 4578.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4578.0 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 LSDA/6-311+G(3df,2pd)
ABC
27.08880 14.15761 9.29809

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.769 -0.472
H3 0.000 -0.769 -0.472

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96870.9687
H20.96871.5372
H30.96871.5372

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.355      
2 H 0.177      
3 H 0.177      


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 -1.941 1.941
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.900 0.000 0.000
y 0.000 -4.464 0.000
z 0.000 0.000 -6.551
Traceless
 xyz
x -2.393 0.000 0.000
y 0.000 2.762 0.000
z 0.000 0.000 -0.369
Polar
3z2-r2-0.738
x2-y2-3.437
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.288 0.000 0.000
y 0.000 1.404 0.000
z 0.000 0.000 1.277


<r2> (average value of r2) Å2
<r2> 5.676
(<r2>)1/2 2.382