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All results from a given calculation for H2O (Water)

using model chemistry: QCISD/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-76.328122
Energy at 298.15K-76.329219
HF Energy-76.057325
Nuclear repulsion energy9.197913
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/cc-pCVTZ
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 3868 3868 4.23      
2 A1 1677 1677 65.44      
3 B2 3969 3969 42.48      

Unscaled Zero Point Vibrational Energy (zpe) 4756.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4756.7 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/cc-pCVTZ
ABC
27.03777 14.73313 9.53657

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pCVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.118
H2 0.000 0.753 -0.472
H3 0.000 -0.753 -0.472

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95710.9571
H20.95711.5069
H30.95711.5069

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 103.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability