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All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-131.689088
Energy at 298.15K 
HF Energy-131.689088
Nuclear repulsion energy39.533362
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 B1B95/aug-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' 3866 3704 44.76 63.40 0.20 0.33
2 A' 3477 3330 2.42 122.45 0.08 0.14
3 A' 1654 1585 12.90 4.79 0.51 0.67
4 A' 1400 1341 26.65 2.66 0.22 0.37
5 A' 1149 1101 127.34 2.35 0.17 0.29
6 A' 974 933 14.44 9.04 0.24 0.39
7 A" 3562 3412 2.16 54.07 0.75 0.86
8 A" 1343 1286 0.08 2.63 0.75 0.86
9 A" 412 394 165.41 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8918.4 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 8542.9 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 B1B95/aug-cc-pVDZ
ABC
6.44907 0.86519 0.86371

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.011 0.697 0.000
O2 -0.011 -0.728 0.000
H3 -0.947 -0.944 0.000
H4 0.553 0.946 0.810
H5 0.553 0.946 -0.810

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42521.88871.01841.0184
O21.42520.96061.94411.9441
H31.88870.96062.54542.5454
H41.01841.94412.54541.6207
H51.01841.94412.54541.6207

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.943 O2 N1 H4 104.183
O2 N1 H5 104.183 H4 N1 H5 105.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.169      
2 O -0.425      
3 H 0.135      
4 H 0.061      
5 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.109 0.549 0.000 0.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.418 3.757 0.000
y 3.757 -12.867 0.000
z 0.000 0.000 -11.806
Traceless
 xyz
x 0.919 3.757 0.000
y 3.757 -1.255 0.000
z 0.000 0.000 0.337
Polar
3z2-r20.673
x2-y21.449
xy3.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.606 0.264 0.000
y 0.264 3.118 0.000
z 0.000 0.000 2.417


<r2> (average value of r2) Å2
<r2> 20.663
(<r2>)1/2 4.546