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All results from a given calculation for H2O (Water)

using model chemistry: CCSD=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-76.283587
Energy at 298.15K-76.284684
HF Energy-76.028772
Nuclear repulsion energy9.206494
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=FULL/6-31G(2df,p)
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 3897 3669 5.76      
2 A1 1718 1618 78.69      
3 B2 4008 3774 37.16      

Unscaled Zero Point Vibrational Energy (zpe) 4811.1 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 4530.1 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=FULL/6-31G(2df,p)
ABC
26.95620 14.80244 9.55533

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.752 -0.473
H3 0.000 -0.752 -0.473

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95620.9562
H20.95621.5033
H30.95621.5033

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 103.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability