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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: HF/3-21G

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/3-21G
 hartrees
Energy at 0K-183.768074
Energy at 298.15K-183.771797
HF Energy-183.768074
Nuclear repulsion energy71.721219
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/3-21G
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 3923 3553 93.41      
2 A 3726 3375 50.73      
3 A 1747 1582 62.44      
4 A 1552 1405 78.76      
5 A 1254 1135 111.30      
6 A 1089 986 193.59      
7 A 721 653 40.56      
8 A 644 583 2.96      
9 A 444 402 421.12      

Unscaled Zero Point Vibrational Energy (zpe) 7549.9 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 6837.2 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/3-21G
ABC
2.68289 0.42390 0.36606

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.129 0.225 -0.000
N2 -0.147 -0.514 0.000
N3 1.026 0.149 -0.000
H4 1.015 1.149 0.001
H5 1.856 -0.396 0.000

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.22842.15632.33443.0485
N21.22841.34762.02842.0064
N32.15631.34760.99970.9929
H42.33442.02840.99971.7591
H53.04852.00640.99291.7591

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.588 N2 N3 H4 118.820
N2 N3 H5 117.213 H4 N3 H5 123.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.419      
2 N 0.286      
3 N -0.622      
4 H 0.372      
5 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.712 0.629 0.003 3.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.665 0.473 0.004
y 0.473 -16.220 0.002
z 0.004 0.002 -17.258
Traceless
 xyz
x 1.073 0.473 0.004
y 0.473 0.242 0.002
z 0.004 0.002 -1.315
Polar
3z2-r2-2.630
x2-y20.555
xy0.473
xz0.004
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.636 -0.254 0.000
y -0.254 1.796 0.000
z 0.000 0.000 0.721


<r2> (average value of r2) Å2
<r2> 36.305
(<r2>)1/2 6.025