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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-131.673517
Energy at 298.15K 
HF Energy-131.673517
Nuclear repulsion energy39.527648
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 B1B95/6-31+G**
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' 3883 3715 52.17 50.93 0.28 0.43
2 A' 3498 3346 1.53 101.17 0.11 0.20
3 A' 1688 1615 22.82 6.21 0.73 0.84
4 A' 1404 1343 28.51 2.91 0.42 0.59
5 A' 1149 1099 143.09 2.96 0.18 0.30
6 A' 978 936 17.52 12.54 0.26 0.41
7 A" 3592 3436 2.77 59.45 0.75 0.86
8 A" 1346 1287 0.03 6.42 0.75 0.86
9 A" 454 435 208.84 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8996.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8606.1 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 B1B95/6-31+G**
ABC
6.46421 0.86470 0.86222

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.697 0.000
O2 -0.010 -0.729 0.000
H3 -0.946 -0.945 0.000
H4 0.546 0.949 0.813
H5 0.546 0.949 -0.813

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42591.89081.01641.0164
O21.42590.96151.94541.9454
H31.89080.96152.54502.5450
H41.01641.94542.54501.6258
H51.01641.94542.54501.6258

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 103.019 O2 N1 H4 104.352
O2 N1 H5 104.352 H4 N1 H5 106.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.612      
2 O -0.367      
3 H 0.364      
4 H 0.308      
5 H 0.308      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.134 0.630 0.000 0.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.394 4.149 0.000
y 4.149 -12.936 0.000
z 0.000 0.000 -11.726
Traceless
 xyz
x 0.937 4.149 0.000
y 4.149 -1.376 0.000
z 0.000 0.000 0.438
Polar
3z2-r20.877
x2-y21.542
xy4.149
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.091 0.238 0.000
y 0.238 2.620 0.000
z 0.000 0.000 2.031


<r2> (average value of r2) Å2
<r2> 20.667
(<r2>)1/2 4.546