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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-131.625411
Energy at 298.15K 
HF Energy-131.625411
Nuclear repulsion energy38.837213
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 PBEPBEultrafine/TZVP
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' 3694 3652 29.02 61.79 0.29 0.45
2 A' 3336 3298 2.76 118.33 0.11 0.19
3 A' 1617 1599 19.89 11.08 0.62 0.77
4 A' 1355 1339 25.93 3.53 0.69 0.82
5 A' 1112 1099 125.30 1.61 0.49 0.66
6 A' 876 866 13.28 11.83 0.22 0.36
7 A" 3422 3383 0.10 64.36 0.75 0.86
8 A" 1280 1265 0.08 10.28 0.75 0.86
9 A" 425 420 191.82 2.45 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8557.9 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8460.3 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 PBEPBEultrafine/TZVP
ABC
6.26421 0.83005 0.82981

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.714 0.000
O2 -0.011 -0.746 0.000
H3 -0.964 -0.938 0.000
H4 0.564 0.955 0.816
H5 0.564 0.955 -0.816

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45991.90741.02711.0271
O21.45990.97251.97201.9720
H31.90740.97252.56622.5662
H41.02711.97202.56621.6323
H51.02711.97202.56621.6323

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.401 O2 N1 H4 103.553
O2 N1 H5 103.553 H4 N1 H5 105.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.351      
2 O -0.365      
3 H 0.282      
4 H 0.217      
5 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.138 0.610 0.000 0.625
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.368 3.994 0.000
y 3.994 -12.958 0.000
z 0.000 0.000 -11.750
Traceless
 xyz
x 0.986 3.994 0.000
y 3.994 -1.399 0.000
z 0.000 0.000 0.413
Polar
3z2-r20.826
x2-y21.590
xy3.994
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.103 0.351 0.000
y 0.351 2.612 0.000
z 0.000 0.000 1.979


<r2> (average value of r2) Å2
<r2> 21.133
(<r2>)1/2 4.597