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All results from a given calculation for H2O (Water)

using model chemistry: BLYP/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 BLYP/cc-pVQZ
 hartrees
Energy at 0K-76.452251
Energy at 298.15K-76.453347
HF Energy-76.452251
Nuclear repulsion energy9.071044
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 BLYP/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 3664 3664 1.01      
2 A1 1605 1605 64.52      
3 B2 3764 3764 35.87      

Unscaled Zero Point Vibrational Energy (zpe) 4516.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4516.3 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 BLYP/cc-pVQZ
ABC
26.50795 14.26403 9.27378

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.119
H2 0.000 0.766 -0.477
H3 0.000 -0.766 -0.477

Atom - Atom Distances (Å)
  O1 H2 H3
O10.97040.9704
H20.97041.5314
H30.97041.5314

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.488      
2 H 0.244      
3 H 0.244      


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 -1.862 1.862
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.594 0.000 0.000
y 0.000 -4.489 0.000
z 0.000 0.000 -6.373
Traceless
 xyz
x -2.163 0.000 0.000
y 0.000 2.494 0.000
z 0.000 0.000 -0.331
Polar
3z2-r2-0.663
x2-y2-3.105
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.046 0.000 0.000
y 0.000 1.412 0.000
z 0.000 0.000 1.283


<r2> (average value of r2) Å2
<r2> 5.583
(<r2>)1/2 2.363