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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-93.915223
Energy at 298.15K-93.916539
HF Energy-93.915223
Nuclear repulsion energy27.813311
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 mPW1PW91/6-31+G**
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 3402 3238 0.06      
2 A1 1645 1566 43.47      
3 A1 1458 1387 23.37      
4 B1 752 716 202.01      
5 B2 3468 3301 12.61      
6 B2 1033 983 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 5878.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 5595.5 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 mPW1PW91/6-31+G**
ABC
11.39771 1.26178 1.13602

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.852
N2 0.000 0.000 0.445
H3 0.000 0.857 1.001
H4 0.000 -0.857 1.001

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.29682.04122.0412
N21.29681.02121.0212
H32.04121.02121.7132
H42.04121.02121.7132

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 122.984 C1 N2 H4 122.984
H3 N2 H4 114.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 N -0.437      
3 H 0.318      
4 H 0.318      


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 3.865 3.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.404 0.000 0.000
y 0.000 -11.337 0.000
z 0.000 0.000 -14.092
Traceless
 xyz
x -0.689 0.000 0.000
y 0.000 2.410 0.000
z 0.000 0.000 -1.721
Polar
3z2-r2-3.442
x2-y2-2.067
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.231 0.000 0.000
y 0.000 2.939 0.000
z 0.000 0.000 4.062


<r2> (average value of r2) Å2
<r2> 17.296
(<r2>)1/2 4.159