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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-76.324556
Energy at 298.15K-76.324036
HF Energy-76.057133
Nuclear repulsion energy9.197732
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/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' 3930 3699 26.57      
2 A' 2854 2686 12.23      
3 A' 1472 1385 56.95      

Unscaled Zero Point Vibrational Energy (zpe) 4127.8 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 3885.1 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/cc-pVTZ
ABC
27.03336 14.73360 9.53622

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

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 -0.469
H3 0.000 -0.755 -0.469

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95600.9560
H20.95601.5095
H30.95601.5095

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 104.276
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability