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: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-185.732836
Energy at 298.15K-185.736368
HF Energy-185.732836
Nuclear repulsion energy71.629152
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 PBEPBE/TZVP
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 3595 3555 45.62      
2 A 3334 3297 1.01      
3 A 1543 1526 6.98      
4 A 1518 1501 225.79      
5 A 1177 1164 90.16      
6 A 1024 1012 96.82      
7 A 711 703 2.74      
8 A 601 594 0.09      
9 A 303 300 208.85      

Unscaled Zero Point Vibrational Energy (zpe) 6902.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 6825.3 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 PBEPBE/TZVP
ABC
2.69914 0.42290 0.36561

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.130 0.222 -0.000
N2 -0.148 -0.508 -0.000
N3 1.024 0.146 0.000
H4 1.043 1.173 -0.001
H5 1.866 -0.422 -0.001

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.22432.15592.37273.0644
N21.22431.34182.06002.0150
N32.15591.34181.02701.0152
H42.37272.06001.02701.7941
H53.06442.01501.01521.7941

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 114.234 N2 N3 H4 120.247
N2 N3 H5 116.828 H4 N3 H5 122.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.214      
2 N 0.031      
3 N -0.258      
4 H 0.205      
5 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.628 0.762 -0.004 3.707
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.545 0.333 -0.007
y 0.333 -17.078 -0.001
z -0.007 -0.001 -17.793
Traceless
 xyz
x 1.890 0.333 -0.007
y 0.333 -0.409 -0.001
z -0.007 -0.001 -1.481
Polar
3z2-r2-2.962
x2-y21.532
xy0.333
xz-0.007
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.139 0.082 -0.000
y 0.082 3.191 -0.000
z -0.000 -0.000 1.865


<r2> (average value of r2) Å2
<r2> 36.685
(<r2>)1/2 6.057