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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-131.694285
Energy at 298.15K 
HF Energy-131.694285
Nuclear repulsion energy39.370725
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 B3PW91/aug-cc-pVDZ
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' 3831 3695 40.92 63.60 0.20 0.33
2 A' 3447 3325 3.07 123.53 0.08 0.14
3 A' 1646 1588 12.63 4.95 0.50 0.66
4 A' 1394 1345 26.30 2.69 0.22 0.36
5 A' 1145 1104 125.58 2.11 0.16 0.28
6 A' 957 923 13.77 9.04 0.24 0.38
7 A" 3532 3407 1.52 54.60 0.75 0.86
8 A" 1335 1288 0.04 2.70 0.75 0.86
9 A" 407 393 163.63 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8846.4 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 8533.3 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 B3PW91/aug-cc-pVDZ
ABC
6.39960 0.85740 0.85623

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.700 0.000
O2 -0.011 -0.732 0.000
H3 -0.951 -0.945 0.000
H4 0.556 0.949 0.812
H5 0.556 0.949 -0.812

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.43231.89451.02151.0215
O21.43230.96371.95081.9508
H31.89450.96372.55252.5525
H41.02151.95082.55251.6249
H51.02151.95082.55251.6249

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.743 O2 N1 H4 104.057
O2 N1 H5 104.057 H4 N1 H5 105.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.131      
2 O -0.434      
3 H 0.146      
4 H 0.078      
5 H 0.078      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.118 0.546 0.000 0.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.427 3.766 0.000
y 3.766 -12.885 0.000
z 0.000 0.000 -11.821
Traceless
 xyz
x 0.927 3.766 0.000
y 3.766 -1.261 0.000
z 0.000 0.000 0.334
Polar
3z2-r20.668
x2-y21.458
xy3.766
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.639 0.265 0.000
y 0.265 3.150 0.000
z 0.000 0.000 2.443


<r2> (average value of r2) Å2
<r2> 20.779
(<r2>)1/2 4.558