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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-93.911444
Energy at 298.15K-93.912753
HF Energy-93.911444
Nuclear repulsion energy27.879833
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 mPW1PW91/6-31G(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 A1 3393 3240 0.87      
2 A1 1632 1558 32.89      
3 A1 1464 1398 12.70      
4 B1 741 708 154.57      
5 B2 3447 3291 2.64      
6 B2 1018 972 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 5847.5 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 5582.6 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 mPW1PW91/6-31G(2df,p)
ABC
11.50205 1.26730 1.14153

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.850
N2 0.000 0.000 0.443
H3 0.000 0.853 1.002
H4 0.000 -0.853 1.002

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.29292.03902.0390
N21.29291.01971.0197
H32.03901.01971.7054
H42.03901.01971.7054

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 123.254 C1 N2 H4 123.254
H3 N2 H4 113.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 N -0.365      
3 H 0.285      
4 H 0.285      


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 3.660 3.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.597 0.000 0.000
y 0.000 -10.750 0.000
z 0.000 0.000 -13.417
Traceless
 xyz
x -0.513 0.000 0.000
y 0.000 2.257 0.000
z 0.000 0.000 -1.744
Polar
3z2-r2-3.487
x2-y2-1.847
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.733 0.000 0.000
y 0.000 2.413 0.000
z 0.000 0.000 3.451


<r2> (average value of r2) Å2
<r2> 16.825
(<r2>)1/2 4.102