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All results from a given calculation for H2NO (nitroxide)

using model chemistry: ROMP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
1 2 no CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at ROMP2/cc-pVDZ
 hartrees
Energy at 0K-130.738462
Energy at 298.15K 
HF Energy-130.396980
Nuclear repulsion energy35.356409
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 ROMP2/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3461 3461        
2 A1 1691 1691        
3 A1 1565 1565        
4 B1 69i 69i        
5 B2 3612 3612        
6 B2 1277 1277        

Unscaled Zero Point Vibrational Energy (zpe) 5768.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5768.6 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 ROMP2/cc-pVDZ
ABC
10.85521 1.16082 1.04868

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.530
O2 0.000 0.000 0.728
H3 0.000 0.878 -1.055
H4 0.000 -0.878 -1.055

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.25841.02251.0225
O21.25841.98721.9872
H31.02251.98721.7555
H41.02251.98721.7555

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.861 O2 N1 H4 120.861
H3 N1 H4 118.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.004      
2 O -0.268      
3 H 0.136      
4 H 0.136      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 16.767
(<r2>)1/2 4.095

Conformer 2 (CS)

Jump to S1C1
Energy calculated at ROMP2/cc-pVDZ
 hartrees
Energy at 0K-130.738463
Energy at 298.15K 
HF Energy-130.397069
Nuclear repulsion energy35.361721
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 ROMP2/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at ROMP2/cc-pVDZ
ABC
10.85521 1.16082 1.04868

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVDZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.003      
2 O -0.267      
3 H 0.135      
4 H 0.135      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 16.763
(<r2>)1/2 4.094