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All results from a given calculation for H2O (Water)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-76.423359
Energy at 298.15K-76.424454
HF Energy-76.423359
Nuclear repulsion energy9.165276
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 M06-2X/TZVP
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 3873 3664 13.67 74.27 0.16 0.27
2 A1 1594 1508 73.34 7.18 0.55 0.71
3 B2 3983 3769 64.80 34.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4725.0 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 4470.8 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 M06-2X/TZVP
ABC
27.71919 14.36762 9.46279

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.117
H2 0.000 0.763 -0.466
H3 0.000 -0.763 -0.466

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96010.9601
H20.96011.5259
H30.96011.5259

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.243
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.569      
2 H 0.285      
3 H 0.285      


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 -2.184 2.184
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.544 0.000 0.000
y 0.000 -4.298 0.000
z 0.000 0.000 -6.337
Traceless
 xyz
x -2.227 0.000 0.000
y 0.000 2.642 0.000
z 0.000 0.000 -0.415
Polar
3z2-r2-0.831
x2-y2-3.246
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.718 0.000 0.000
y 0.000 1.162 0.000
z 0.000 0.000 0.922


<r2> (average value of r2) Å2
<r2> 5.493
(<r2>)1/2 2.344