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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-131.625720
Energy at 298.15K 
HF Energy-131.625720
Nuclear repulsion energy38.882595
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/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' 3702 3676 28.24 55.82 0.27 0.42
2 A' 3329 3306 3.96 116.45 0.09 0.17
3 A' 1610 1599 13.74 8.37 0.49 0.66
4 A' 1366 1356 21.69 2.81 0.70 0.83
5 A' 1128 1120 123.32 1.34 0.75 0.86
6 A' 883 877 10.25 11.13 0.18 0.30
7 A" 3408 3384 0.13 57.77 0.75 0.86
8 A" 1285 1276 0.02 6.15 0.75 0.86
9 A" 392 390 157.86 2.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8551.1 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8492.1 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/cc-pVTZ
ABC
6.25932 0.83295 0.83158

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.012 0.714 0.000
O2 -0.012 -0.745 0.000
H3 -0.964 -0.934 0.000
H4 0.572 0.947 0.812
H5 0.572 0.947 -0.812

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.45901.90321.02681.0268
O21.45900.97051.96511.9651
H31.90320.97052.56012.5601
H41.02681.96512.56011.6245
H51.02681.96512.56011.6245

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 101.235 O2 N1 H4 103.092
O2 N1 H5 103.092 H4 N1 H5 104.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.198      
2 O -0.323      
3 H 0.231      
4 H 0.145      
5 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.123 0.530 0.000 0.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.116 3.649 0.000
y 3.649 -12.664 0.000
z 0.000 0.000 -11.634
Traceless
 xyz
x 1.033 3.649 0.000
y 3.649 -1.288 0.000
z 0.000 0.000 0.256
Polar
3z2-r20.511
x2-y21.547
xy3.649
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.229 0.380 0.000
y 0.380 2.742 0.000
z 0.000 0.000 2.041


<r2> (average value of r2) Å2
<r2> 20.950
(<r2>)1/2 4.577