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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B1B95/6-31G

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
 hartrees
Energy at 0K-131.605517
Energy at 298.15K 
HF Energy-131.605517
Nuclear repulsion energy38.719584
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
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' 3693 3522 17.33 78.53 0.32 0.49
2 A' 3480 3319 0.54 114.67 0.13 0.24
3 A' 1713 1634 22.91 13.75 0.60 0.75
4 A' 1393 1328 34.91 6.89 0.70 0.82
5 A' 1094 1043 161.32 4.69 0.75 0.86
6 A' 860 820 30.16 18.13 0.12 0.21
7 A" 3612 3445 0.03 57.50 0.75 0.86
8 A" 1300 1240 0.23 12.16 0.75 0.86
9 A" 475 453 266.71 9.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8809.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 8401.5 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
ABC
6.40125 0.82130 0.81501

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.005 0.717 0.000
O2 -0.005 -0.750 0.000
H3 -0.953 -0.975 0.000
H4 0.517 0.980 0.832
H5 0.517 0.980 -0.832

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.46751.93951.01691.0169
O21.46750.97371.98951.9895
H31.93950.97372.58342.5834
H41.01691.98952.58341.6644
H51.01691.98952.58341.6644

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 103.349 O2 N1 H4 104.957
O2 N1 H5 104.957 H4 N1 H5 109.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.493      
2 O -0.543      
3 H 0.397      
4 H 0.320      
5 H 0.320      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.095 0.766 0.000 0.772
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.120 4.424 0.000
y 4.424 -12.392 0.000
z 0.000 0.000 -11.187
Traceless
 xyz
x 0.670 4.424 0.000
y 4.424 -1.239 0.000
z 0.000 0.000 0.569
Polar
3z2-r21.138
x2-y21.272
xy4.424
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.453 0.516 0.000
y 0.516 2.251 0.000
z 0.000 0.000 1.401


<r2> (average value of r2) Å2
<r2> 21.026
(<r2>)1/2 4.585