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

using model chemistry: QCISD(T)/CEP-121G

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 QCISD(T)/CEP-121G
 hartrees
Energy at 0K-16.303210
Energy at 298.15K-16.302956
HF Energy-16.204501
Nuclear repulsion energy3.164070
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(T)/CEP-121G
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 3394 3237        

Unscaled Zero Point Vibrational Energy (zpe) 1696.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 1618.3 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(T)/CEP-121G
B
17.68816

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.111
H2 0.000 0.000 -0.891

Atom - Atom Distances (Å)
  O1 H2
O11.0026
H21.0026

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