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All results from a given calculation for H2O (Water)

using model chemistry: CCSD(T)/6-311+G(3df,2pd)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/6-311+G(3df,2pd)
 hartrees
Energy at 0K-76.336385
Energy at 298.15K-76.337482
HF Energy-76.058272
Nuclear repulsion energy9.179898
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 CCSD(T)/6-311+G(3df,2pd)
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 3863 3863        
2 A1 1650 1650        
3 B2 3963 3963        

Unscaled Zero Point Vibrational Energy (zpe) 4737.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4737.4 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 CCSD(T)/6-311+G(3df,2pd)
ABC
27.07205 14.63603 9.50001

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311+G(3df,2pd)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.756 -0.471
H3 0.000 -0.756 -0.471

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95880.9588
H20.95881.5130
H30.95881.5130

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability