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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-131.779437
Energy at 298.15K 
HF Energy-131.779437
Nuclear repulsion energy39.208551
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 B3LYP/aug-cc-pVTZ
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' 3807 3684 43.26 64.23 0.20 0.33
2 A' 3441 3330 1.85 124.56 0.07 0.14
3 A' 1664 1610 14.37 4.36 0.52 0.69
4 A' 1391 1346 26.54 2.88 0.16 0.28
5 A' 1142 1105 123.04 2.00 0.11 0.19
6 A' 924 894 13.32 11.01 0.25 0.40
7 A" 3519 3405 2.75 54.94 0.75 0.86
8 A" 1326 1283 0.09 2.15 0.75 0.86
9 A" 413 400 164.24 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8813.4 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 8526.9 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 B3LYP/aug-cc-pVTZ
ABC
6.44155 0.84533 0.84357

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.707 0.000
O2 -0.010 -0.738 0.000
H3 -0.948 -0.951 0.000
H4 0.549 0.954 0.812
H5 0.549 0.954 -0.812

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.44491.90461.01631.0163
O21.44490.96201.95801.9580
H31.90460.96202.55492.5549
H41.01631.95802.55491.6242
H51.01631.95802.55491.6242

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.766 O2 N1 H4 104.052
O2 N1 H5 104.052 H4 N1 H5 106.080
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.174      
2 O -0.332      
3 H 0.189      
4 H 0.159      
5 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.113 0.582 0.000 0.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.543 3.782 0.000
y 3.782 -12.997 0.000
z 0.000 0.000 -11.888
Traceless
 xyz
x 0.899 3.782 0.000
y 3.782 -1.281 0.000
z 0.000 0.000 0.382
Polar
3z2-r20.764
x2-y21.454
xy3.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.710 0.250 0.000
y 0.250 3.282 0.000
z 0.000 0.000 2.529


<r2> (average value of r2) Å2
<r2> 20.984
(<r2>)1/2 4.581