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All results from a given calculation for H2O (Water)

using model chemistry: CCSD(T)=FULL/cc-pVQZ

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)=FULL/cc-pVQZ
 hartrees
Energy at 0K-76.391089
Energy at 298.15K-76.392186
HF Energy-76.064882
Nuclear repulsion energy9.205276
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)=FULL/cc-pVQZ
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 3854 3721        
2 A1 1663 1605        
3 B2 3960 3824        

Unscaled Zero Point Vibrational Energy (zpe) 4738.2 cm-1
Scaled (by 0.9656) Zero Point Vibrational Energy (zpe) 4575.2 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)=FULL/cc-pVQZ
ABC
27.31824 14.68271 9.54992

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.117
H2 0.000 0.755 -0.470
H3 0.000 -0.755 -0.470

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95620.9562
H20.95621.5094
H30.95621.5094

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability