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All results from a given calculation for H2O (Water)

using model chemistry: B2PLYP/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 B2PLYP/CEP-121G*
 hartrees
Energy at 0K-17.113517
Energy at 298.15K-17.114614
HF Energy-17.051046
Nuclear repulsion energy6.906768
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/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 3785 3785 1.27      
2 A1 1706 1706 92.28      
3 B2 3914 3914 25.54      

Unscaled Zero Point Vibrational Energy (zpe) 4702.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4702.3 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/CEP-121G*
ABC
27.17456 14.17894 9.31739

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.768 -0.471
H3 0.000 -0.768 -0.471

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96770.9677
H20.96771.5360
H30.96771.5360

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.860      
2 H 0.430      
3 H 0.430      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.653 0.000 0.000
y 0.000 1.169 0.000
z 0.000 0.000 0.899


<r2> (average value of r2) Å2
<r2> 5.439
(<r2>)1/2 2.332