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All results from a given calculation for OH (Hydroxyl radical)

using model chemistry: CCSD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at CCSD/3-21G*
 hartrees
Energy at 0K-75.064930
Energy at 298.15K-75.064676
HF Energy-74.969590
Nuclear repulsion energy4.173655
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/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3224 3041 23.65      

Unscaled Zero Point Vibrational Energy (zpe) 1612.2 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 1520.4 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/3-21G*
B
17.28221

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.113
H2 0.000 0.000 -0.902

Atom - Atom Distances (Å)
  O1 H2
O11.0143
H21.0143

picture of Hydroxyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability