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All results from a given calculation for HNO (Nitrosyl hydride)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-129.272204
Energy at 298.15K 
HF Energy-129.034080
Nuclear repulsion energy29.042025
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/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 A' 2882 2693 107.56      
2 A' 1565 1463 28.43      
3 A' 1341 1253 10.20      

Unscaled Zero Point Vibrational Energy (zpe) 2894.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 2704.7 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/3-21G*
ABC
18.48279 1.28373 1.20036

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.946 0.945 0.000
N2 0.063 0.615 0.000
O3 0.063 -0.656 0.000

Atom - Atom Distances (Å)
  H1 N2 O3
H11.06181.8926
N21.06181.2709
O31.89261.2709

picture of Nitrosyl hydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N2 O3 108.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability