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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B1B95/6-31G(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 B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-131.668939
Energy at 298.15K 
HF Energy-131.668939
Nuclear repulsion energy39.607155
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 B1B95/6-31G(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' 3876 3712 35.34 57.55 0.28 0.44
2 A' 3475 3328 1.83 97.80 0.11 0.20
3 A' 1681 1610 13.20 8.68 0.54 0.70
4 A' 1430 1370 25.34 3.12 0.74 0.85
5 A' 1174 1124 133.90 2.48 0.74 0.85
6 A' 988 946 13.57 10.04 0.17 0.29
7 A" 3559 3408 0.00 55.34 0.75 0.86
8 A" 1352 1295 0.00 6.91 0.75 0.86
9 A" 407 390 159.94 3.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8970.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 8591.3 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 B1B95/6-31G(2df,p)
ABC
6.46294 0.86793 0.86736

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.696 0.000
O2 -0.011 -0.728 0.000
H3 -0.947 -0.933 0.000
H4 0.556 0.943 0.806
H5 0.556 0.943 -0.806

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42351.87831.01651.0165
O21.42350.95801.93991.9399
H31.87830.95802.53542.5354
H41.01651.93992.53541.6127
H51.01651.93992.53541.6127

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.359 O2 N1 H4 104.073
O2 N1 H5 104.073 H4 N1 H5 104.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.396      
2 O -0.446      
3 H 0.318      
4 H 0.263      
5 H 0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.099 0.516 0.000 0.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.745 3.599 0.000
y 3.599 -12.151 0.000
z 0.000 0.000 -11.259
Traceless
 xyz
x 0.959 3.599 0.000
y 3.599 -1.148 0.000
z 0.000 0.000 0.189
Polar
3z2-r20.378
x2-y21.405
xy3.599
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.849 0.416 0.000
y 0.416 2.374 0.000
z 0.000 0.000 1.824


<r2> (average value of r2) Å2
<r2> 20.203
(<r2>)1/2 4.495