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All results from a given calculation for CNH2 (Aminomethylidyne radical)

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-16.632798
Energy at 298.15K-16.634064
HF Energy-16.632798
Nuclear repulsion energy15.454253
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/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3350 3235 0.99      
2 A1 1616 1560 37.58      
3 A1 1389 1342 25.71      
4 B1 682 658 222.98      
5 B2 3417 3300 2.65      
6 B2 967 934 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 5710.4 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 5514.6 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/CEP-31G*
ABC
11.12978 1.21043 1.09170

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.870
N2 0.000 0.000 0.455
H3 0.000 0.867 1.016
H4 0.000 -0.867 1.016

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.32562.07592.0759
N21.32561.03241.0324
H32.07591.03241.7337
H42.07591.03241.7337

picture of Aminomethylidyne radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H3 122.895 C1 N2 H4 122.895
H3 N2 H4 114.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 N -0.268      
3 H 0.316      
4 H 0.316      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 3.777 3.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.036 0.000 0.000
y 0.000 -10.993 0.000
z 0.000 0.000 -13.641
Traceless
 xyz
x -0.719 0.000 0.000
y 0.000 2.346 0.000
z 0.000 0.000 -1.627
Polar
3z2-r2-3.253
x2-y2-2.043
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.734 0.000 0.000
y 0.000 2.468 0.000
z 0.000 0.000 3.666


<r2> (average value of r2) Å2
<r2> 15.477
(<r2>)1/2 3.934