return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2OH (hydroxylamine)

using model chemistry: SVWN/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 SVWN/aug-cc-pVDZ
 hartrees
Energy at 0K-131.090396
Energy at 298.15K 
HF Energy-131.090396
Nuclear repulsion energy39.411173
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 SVWN/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' 3704 3676 45.05 74.09 0.19 0.32
2 A' 3345 3320 3.32 145.24 0.07 0.13
3 A' 1579 1567 12.02 6.58 0.44 0.61
4 A' 1340 1330 25.67 3.79 0.19 0.33
5 A' 1099 1090 125.38 2.95 0.18 0.30
6 A' 939 932 21.01 3.33 0.26 0.41
7 A" 3432 3406 3.47 62.71 0.75 0.86
8 A" 1290 1280 0.02 3.31 0.75 0.86
9 A" 422 419 159.04 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8574.5 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 8509.4 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 SVWN/aug-cc-pVDZ
ABC
6.30178 0.86672 0.86475

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.010 0.693 0.000
O2 -0.010 -0.727 0.000
H3 -0.960 -0.944 0.000
H4 0.557 0.954 0.821
H5 0.557 0.954 -0.821

Atom - Atom Distances (Å)
  N1 O2 H3 H4 H5
N11.42051.89331.03131.0313
O21.42050.97471.95471.9547
H31.89330.97472.56482.5648
H41.03131.95472.56481.6426
H51.03131.95472.56481.6426

picture of hydroxylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H3 102.869 O2 N1 H4 104.623
O2 N1 H5 104.623 H4 N1 H5 105.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.110      
2 O -0.363      
3 H 0.133      
4 H 0.060      
5 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.101 0.505 0.000 0.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.690 3.804 0.000
y 3.804 -13.096 0.000
z 0.000 0.000 -12.050
Traceless
 xyz
x 0.883 3.804 0.000
y 3.804 -1.226 0.000
z 0.000 0.000 0.343
Polar
3z2-r20.686
x2-y21.406
xy3.804
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.840 0.277 0.000
y 0.277 3.248 0.000
z 0.000 0.000 2.608


<r2> (average value of r2) Å2
<r2> 20.868
(<r2>)1/2 4.568