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All results from a given calculation for H2O (Water)

using model chemistry: B1B95/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pCVDZ
 hartrees
Energy at 0K-76.393087
Energy at 298.15K-76.394184
HF Energy-76.393087
Nuclear repulsion energy9.141841
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 B1B95/cc-pCVDZ
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 3828 3828 6.35      
2 A1 1665 1665 58.90      
3 B2 3933 3933 30.61      

Unscaled Zero Point Vibrational Energy (zpe) 4712.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4712.7 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 B1B95/cc-pCVDZ
ABC
26.10334 14.75132 9.42509

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pCVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.120
H2 0.000 0.753 -0.481
H3 0.000 -0.753 -0.481

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96320.9632
H20.96321.5059
H30.96321.5059

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 102.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pCVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.269      
2 H 0.135      
3 H 0.135      


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 -1.960 1.960
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.985 0.000 0.000
y 0.000 -4.279 0.000
z 0.000 0.000 -5.850
Traceless
 xyz
x -1.921 0.000 0.000
y 0.000 2.139 0.000
z 0.000 0.000 -0.218
Polar
3z2-r2-0.437
x2-y2-2.707
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.475 0.000 0.000
y 0.000 1.064 0.000
z 0.000 0.000 0.810


<r2> (average value of r2) Å2
<r2> 5.274
(<r2>)1/2 2.297