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All results from a given calculation for H2O (Water)

using model chemistry: B2PLYP/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-76.408503
Energy at 298.15K-76.409600
HF Energy-76.324037
Nuclear repulsion energy9.173360
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/cc-pCVTZ
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 3823 3823 3.86      
2 A1 1651 1651 67.89      
3 B2 3928 3928 44.77      

Unscaled Zero Point Vibrational Energy (zpe) 4701.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4701.1 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/cc-pCVTZ
ABC
27.10821 14.58797 9.48417

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pCVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.757 -0.472
H3 0.000 -0.757 -0.472

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95950.9595
H20.95951.5143
H30.95951.5143

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.451      
2 H 0.226      
3 H 0.226      


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 -1.928 1.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.362 0.000 0.000
y 0.000 -4.333 0.000
z 0.000 0.000 -6.161
Traceless
 xyz
x -2.115 0.000 0.000
y 0.000 2.429 0.000
z 0.000 0.000 -0.314
Polar
3z2-r2-0.627
x2-y2-3.029
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.817 0.000 0.000
y 0.000 1.246 0.000
z 0.000 0.000 1.071


<r2> (average value of r2) Å2
<r2> 5.420
(<r2>)1/2 2.328