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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-131.575246
Energy at 298.15K 
HF Energy-131.575246
Nuclear repulsion energy39.491228
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 PBE1PBE/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' 3829 3681 43.27 58.26 0.30 0.46
2 A' 3439 3307 2.17 109.91 0.11 0.20
3 A' 1671 1607 11.80 9.13 0.57 0.73
4 A' 1417 1363 23.71 3.54 0.74 0.85
5 A' 1168 1123 124.56 2.37 0.75 0.85
6 A' 982 944 12.16 10.96 0.18 0.31
7 A" 3520 3384 0.16 64.64 0.75 0.86
8 A" 1348 1296 0.01 7.56 0.75 0.86
9 A" 399 384 171.77 4.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8885.8 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8543.7 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 PBE1PBE/cc-pVDZ
ABC
6.35766 0.86655 0.86544

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.012 0.696 0.000
O2 -0.012 -0.728 0.000
H3 -0.956 -0.929 0.000
H4 0.569 0.941 0.807
H5 0.569 0.941 -0.807

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42451.87961.02461.0246
O21.42450.96501.94351.9435
H31.87960.96502.54502.5450
H41.02461.94352.54501.6144
H51.02461.94352.54501.6144

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.015 O2 N1 H4 103.837
O2 N1 H5 103.837 H4 N1 H5 103.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.108      
2 O -0.286      
3 H 0.174      
4 H 0.110      
5 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.107 0.542 0.000 0.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.644 3.651 0.000
y 3.651 -12.288 0.000
z 0.000 0.000 -11.282
Traceless
 xyz
x 1.141 3.651 0.000
y 3.651 -1.325 0.000
z 0.000 0.000 0.184
Polar
3z2-r20.367
x2-y21.644
xy3.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.698 0.448 0.000
y 0.448 2.217 0.000
z 0.000 0.000 1.587


<r2> (average value of r2) Å2
<r2> 20.263
(<r2>)1/2 4.501