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All results from a given calculation for HDO (Water-d1)

using model chemistry: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-76.313875
Energy at 298.15K-76.313354
HF Energy-76.057362
Nuclear repulsion energy9.230913
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 CISD/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3985 3705 30.85      
2 A' 2894 2691 14.49      
3 A' 1482 1378 59.71      

Unscaled Zero Point Vibrational Energy (zpe) 4180.2 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 3886.7 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 CISD/cc-pVTZ
ABC
23.19195 9.23276 6.60378

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.117 0.000
H2 0.752 -0.469 0.000
H3 -0.752 -0.469 0.000

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95360.9536
H20.95361.5044
H30.95361.5044

picture of Water-d1 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 104.155
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability