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

using model chemistry: mPW1PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-92.678646
Energy at 298.15K-92.679884
HF Energy-92.678646
Nuclear repulsion energy26.861274
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/STO-3G
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 3518 3092 1.04      
2 A1 1773 1558 25.87      
3 A1 1430 1257 35.77      
4 B1 718 631 181.22      
5 B2 3669 3224 0.22      
6 B2 1024 900 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 6065.3 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 5330.8 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/STO-3G
ABC
11.14062 1.16588 1.05543

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.886
N2 0.000 0.000 0.458
H3 0.000 0.866 1.055
H4 0.000 -0.866 1.055

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.34492.12602.1260
N21.34491.05191.0519
H32.12601.05191.7329
H42.12601.05191.7329

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 124.547 C1 N2 H4 124.547
H3 N2 H4 110.906
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 N -0.375      
3 H 0.204      
4 H 0.204      


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 3.008 3.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.117 0.000 0.000
y 0.000 -9.626 0.000
z 0.000 0.000 -11.966
Traceless
 xyz
x -0.321 0.000 0.000
y 0.000 1.915 0.000
z 0.000 0.000 -1.594
Polar
3z2-r2-3.189
x2-y2-1.490
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.640 0.000 0.000
y 0.000 1.276 0.000
z 0.000 0.000 1.932


<r2> (average value of r2) Å2
<r2> 16.723
(<r2>)1/2 4.089