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All results from a given calculation for H2O (Water)

using model chemistry: BLYP/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-76.449320
Energy at 298.15K-76.450415
HF Energy-76.449320
Nuclear repulsion energy9.055937
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/aug-cc-pVTZ
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 3655 3643 1.65 109.35 0.05 0.10
2 A1 1596 1590 67.63 1.09 0.75 0.86
3 B2 3757 3744 48.37 28.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4503.7 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 4488.4 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/aug-cc-pVTZ
ABC
26.58773 14.16556 9.24171

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.119
H2 0.000 0.768 -0.476
H3 0.000 -0.768 -0.476

Atom - Atom Distances (Å)
  O1 H2 H3
O10.97190.9719
H20.97191.5368
H30.97191.5368

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.350      
2 H 0.175      
3 H 0.175      


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 -1.803 1.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.950 0.000 0.000
y 0.000 -4.604 0.000
z 0.000 0.000 -6.619
Traceless
 xyz
x -2.338 0.000 0.000
y 0.000 2.681 0.000
z 0.000 0.000 -0.342
Polar
3z2-r2-0.685
x2-y2-3.346
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.528 0.000 0.000
y 0.000 1.623 0.000
z 0.000 0.000 1.558


<r2> (average value of r2) Å2
<r2> 5.739
(<r2>)1/2 2.396