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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-131.596452
Energy at 298.15K 
HF Energy-131.475226
Nuclear repulsion energy39.176857
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 B2PLYP=FULLultrafine/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' 3809 3650 38.90 58.53 0.31 0.47
2 A' 3433 3290 2.14 109.17 0.12 0.21
3 A' 1672 1602 12.54 9.16 0.57 0.72
4 A' 1415 1356 22.07 3.82 0.73 0.85
5 A' 1172 1123 122.76 1.84 0.74 0.85
6 A' 937 898 10.08 12.92 0.19 0.32
7 A" 3515 3368 0.44 64.59 0.75 0.86
8 A" 1338 1282 0.04 7.49 0.75 0.86
9 A" 383 367 172.48 4.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8837.0 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 8467.6 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 B2PLYP=FULLultrafine/cc-pVDZ
ABC
6.31275 0.84877 0.84678

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.013 0.706 0.000
O2 0.013 -0.737 0.000
H3 0.959 -0.929 0.000
H4 -0.574 0.941 0.807
H5 -0.574 0.941 -0.807

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.44381.88981.02471.0247
O21.44380.96611.95231.9523
H31.88980.96612.54942.5494
H41.02471.95232.54941.6135
H51.02471.95232.54941.6135

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.446 O2 N1 H4 103.228
O2 N1 H5 103.228 H4 N1 H5 103.868
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.090      
2 O -0.288      
3 H 0.172      
4 H 0.103      
5 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.119 0.570 0.000 0.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.699 -3.646 0.003
y -3.646 -12.398 -0.005
z 0.003 -0.005 -11.375
Traceless
 xyz
x 1.188 -3.646 0.003
y -3.646 -1.362 -0.005
z 0.003 -0.005 0.174
Polar
3z2-r20.348
x2-y21.700
xy-3.646
xz0.003
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.710 -0.458 -0.001
y -0.458 2.265 0.001
z -0.001 0.001 1.590


<r2> (average value of r2) Å2
<r2> 20.537
(<r2>)1/2 4.532