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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-131.622526
Energy at 298.15K 
HF Energy-131.478706
Nuclear repulsion energy39.309176
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 B2PLYP=FULL/6-31G(2df,p)
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' 3851 3851 34.41 55.67 0.29 0.45
2 A' 3472 3472 1.48 94.83 0.11 0.21
3 A' 1686 1686 14.48 8.60 0.54 0.70
4 A' 1431 1431 23.78 3.22 0.74 0.85
5 A' 1182 1182 135.96 1.96 0.75 0.86
6 A' 950 950 10.82 11.52 0.18 0.30
7 A" 3557 3557 0.03 53.58 0.75 0.86
8 A" 1347 1347 0.00 6.76 0.75 0.86
9 A" 394 394 162.57 3.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8935.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8935.0 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 B2PLYP=FULL/6-31G(2df,p)
ABC
6.40951 0.85108 0.85079

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.705 0.000
O2 -0.011 -0.736 0.000
H3 -0.951 -0.932 0.000
H4 0.561 0.943 0.807
H5 0.561 0.943 -0.807

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.44101.88781.01731.0173
O21.44100.96011.94861.9486
H31.88780.96012.54042.5404
H41.01731.94862.54041.6134
H51.01731.94862.54041.6134

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.798 O2 N1 H4 103.527
O2 N1 H5 103.527 H4 N1 H5 104.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability