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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-130.917332
Energy at 298.15K 
HF Energy-130.917332
Nuclear repulsion energy38.133509
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 B1B95/3-21G
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' 3530 3378 6.11 79.29 0.35 0.51
2 A' 3329 3185 2.08 116.38 0.13 0.24
3 A' 1705 1631 16.21 16.32 0.54 0.70
4 A' 1393 1333 23.91 9.35 0.72 0.84
5 A' 1119 1070 135.08 3.91 0.73 0.85
6 A' 934 894 17.14 15.60 0.11 0.20
7 A" 3436 3287 5.32 63.53 0.75 0.86
8 A" 1278 1222 0.00 13.51 0.75 0.86
9 A" 410 393 230.98 10.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8566.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8195.7 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 B1B95/3-21G
ABC
6.09187 0.79505 0.79433

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.735 0.000
O2 -0.010 -0.764 0.000
H3 -0.985 -0.940 0.000
H4 0.564 0.956 0.826
H5 0.564 0.956 -0.826

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.49881.93761.02931.0293
O21.49880.99071.99221.9922
H31.93760.99072.58322.5832
H41.02931.99222.58321.6512
H51.02931.99222.58321.6512

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 100.207 O2 N1 H4 102.405
O2 N1 H5 102.405 H4 N1 H5 106.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.490      
2 O -0.479      
3 H 0.370      
4 H 0.300      
5 H 0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.212 0.644 0.000 0.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.468 4.094 0.000
y 4.094 -12.196 0.000
z 0.000 0.000 -11.015
Traceless
 xyz
x 1.137 4.094 0.000
y 4.094 -1.455 0.000
z 0.000 0.000 0.317
Polar
3z2-r20.634
x2-y21.728
xy4.094
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.428 0.579 0.000
y 0.579 2.074 0.000
z 0.000 0.000 1.307


<r2> (average value of r2) Å2
<r2> 21.142
(<r2>)1/2 4.598