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 NH2NO (Nitrosamide)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-184.875841
Energy at 298.15K-184.879567
HF Energy-184.875841
Nuclear repulsion energy73.836710
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 HF/6-311G*
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 3966 3587 55.62      
2 A 3782 3421 26.25      
3 A 1884 1703 198.89      
4 A 1801 1629 121.63      
5 A 1400 1266 126.57      
6 A 1242 1123 114.61      
7 A 746 675 12.78      
8 A 689 623 8.52      
9 A 382 345 370.20      

Unscaled Zero Point Vibrational Energy (zpe) 7945.8 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 7186.2 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 HF/6-311G*
ABC
2.88287 0.44652 0.38817

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.094 0.216 0.006
N2 -0.153 -0.487 0.005
N3 1.004 0.139 -0.056
H4 1.001 1.120 0.122
H5 1.793 -0.408 0.186

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.17452.09982.28472.9590
N21.17451.31721.98271.9563
N32.09981.31720.99730.9906
H42.28471.98270.99731.7228
H52.95901.95630.99061.7228

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 114.746 N2 N3 H4 117.218
N2 N3 H5 115.195 H4 N3 H5 120.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.358      
2 N 0.256      
3 N -0.646      
4 H 0.366      
5 H 0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.444 0.535 0.733 3.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.954 0.357 1.214
y 0.357 -16.428 0.189
z 1.214 0.189 -17.405
Traceless
 xyz
x 0.963 0.357 1.214
y 0.357 0.251 0.189
z 1.214 0.189 -1.214
Polar
3z2-r2-2.429
x2-y20.474
xy0.357
xz1.214
yz0.189


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.861 -0.182 0.006
y -0.182 2.258 0.015
z 0.006 0.015 1.380


<r2> (average value of r2) Å2
<r2> 35.036
(<r2>)1/2 5.919