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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-185.790151
Energy at 298.15K-185.793406
HF Energy-185.790151
Nuclear repulsion energy72.449830
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 B3PW91/6-31G(2df,p)
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 3740 3596 59.58      
2 A 3498 3363 9.68      
3 A 1640 1577 114.64      
4 A 1582 1521 117.69      
5 A 1235 1187 106.17      
6 A 1116 1073 58.56      
7 A 732 704 2.85      
8 A 625 600 1.23      
9 A 90 87 197.56      

Unscaled Zero Point Vibrational Energy (zpe) 7128.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 6853.1 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 B3PW91/6-31G(2df,p)
ABC
2.74307 0.43383 0.37459

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.116 0.220 0.000
N2 -0.145 -0.505 0.000
N3 1.012 0.146 -0.000
H4 1.013 1.161 0.000
H5 1.851 -0.408 0.000

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.21132.12872.32713.0325
N21.21131.32712.02851.9987
N32.12871.32711.01511.0053
H42.32712.02851.01511.7782
H53.03251.99871.00531.7782

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.903 N2 N3 H4 119.408
N2 N3 H5 117.278 H4 N3 H5 123.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.326      
2 N 0.121      
3 N -0.362      
4 H 0.270      
5 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.507 0.763 0.001 3.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.736 0.308 0.001
y 0.308 -16.205 0.000
z 0.001 0.000 -17.153
Traceless
 xyz
x 1.944 0.308 0.001
y 0.308 -0.261 0.000
z 0.001 0.000 -1.683
Polar
3z2-r2-3.366
x2-y21.470
xy0.308
xz0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.382 0.046 0.000
y 0.046 2.675 0.000
z 0.000 0.000 1.629


<r2> (average value of r2) Å2
<r2> 35.568
(<r2>)1/2 5.964