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All results from a given calculation for H2O (Water)

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-76.241410
Energy at 298.15K-76.242506
HF Energy-76.030421
Nuclear repulsion energy9.144065
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 QCISD/6-31+G**
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 3875 3663 6.32      
2 A1 1646 1556 89.03      
3 B2 4004 3785 48.91      

Unscaled Zero Point Vibrational Energy (zpe) 4762.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 4502.0 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 QCISD/6-31+G**
ABC
27.73827 14.25961 9.41802

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.117
H2 0.000 0.766 -0.466
H3 0.000 -0.766 -0.466

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96230.9623
H20.96231.5317
H30.96231.5317

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.470
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability