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All results from a given calculation for H2O (Water)

using model chemistry: LSDA/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-17.189892
Energy at 298.15K-17.190985
HF Energy-17.189892
Nuclear repulsion energy6.747409
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/CEP-121G
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 3528 3528 10.72      
2 A1 1497 1497 88.26      
3 B2 3717 3717 18.16      

Unscaled Zero Point Vibrational Energy (zpe) 4370.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4370.8 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/CEP-121G
ABC
28.91883 12.81289 8.87895

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.114
H2 0.000 0.808 -0.457
H3 0.000 -0.808 -0.457

Atom - Atom Distances (Å)
  O1 H2 H3
O10.98910.9891
H20.98911.6158
H30.98911.6158

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 109.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.736      
2 H 0.368      
3 H 0.368      


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 -2.516 2.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.679 0.000 0.000
y 0.000 -4.070 0.000
z 0.000 0.000 -6.627
Traceless
 xyz
x -2.331 0.000 0.000
y 0.000 3.083 0.000
z 0.000 0.000 -0.752
Polar
3z2-r2-1.504
x2-y2-3.609
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.520 0.000 0.000
y 0.000 1.258 0.000
z 0.000 0.000 0.879


<r2> (average value of r2) Å2
<r2> 5.626
(<r2>)1/2 2.372