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: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-185.934053
Energy at 298.15K-185.937480
HF Energy-185.934053
Nuclear repulsion energy72.410539
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 B3LYP/Def2TZVPP
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 3700 3562 61.71      
2 A 3463 3333 9.03      
3 A 1600 1540 22.77      
4 A 1573 1514 231.92      
5 A 1222 1176 113.62      
6 A 1097 1056 97.77      
7 A 719 692 2.50      
8 A 633 609 0.69      
9 A 198 191 198.88      

Unscaled Zero Point Vibrational Energy (zpe) 7102.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 6836.3 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 B3LYP/Def2TZVPP
ABC
2.77527 0.43137 0.37334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.091 0.235 -0.014
N2 -0.169 -0.525 0.032
N3 1.023 0.163 -0.053
H4 0.973 1.119 0.205
H5 1.777 -0.466 0.054

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.19572.11572.25602.9533
N21.19571.37842.00851.9465
N32.11571.37840.99130.9881
H42.25602.00850.99131.7842
H52.95331.94650.98811.7842

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 110.348 N2 N3 H4 114.915
N2 N3 H5 109.568 H4 N3 H5 128.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.319      
2 N 0.095      
3 N -0.105      
4 H 0.150      
5 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.655 0.731 -0.006 3.727
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.509 0.378 -0.011
y 0.378 -16.909 -0.001
z -0.011 -0.001 -17.686
Traceless
 xyz
x 1.789 0.378 -0.011
y 0.378 -0.312 -0.001
z -0.011 -0.001 -1.477
Polar
3z2-r2-2.955
x2-y21.400
xy0.378
xz-0.011
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.891 0.027 0.000
y 0.027 3.084 -0.000
z 0.000 -0.000 2.010


<r2> (average value of r2) Å2
<r2> 36.071
(<r2>)1/2 6.006