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All results from a given calculation for CNN (Diazocarbene)

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 C*V 3Σ-
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-147.411859
Energy at 298.15K 
HF Energy-147.411859
Nuclear repulsion energy48.760401
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 Σ 1544 1474 0.21 34.88 0.28 0.44
2 Σ 1310 1251 12.75 18.56 0.31 0.48
3 Π 410 391 7.94 0.01 0.75 0.86
3 Π 410 391 7.94 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1836.8 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 1753.5 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 mPW1PW91/6-31G(2df,p)
B
0.43984

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.284
N2 0.000 0.000 -0.049
N3 0.000 0.000 1.150

Atom - Atom Distances (Å)
  C1 N2 N3
C11.23502.4337
N21.23501.1987
N32.43371.1987

picture of Diazocarbene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 180.000
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 -0.104      
2 N 0.237      
3 N -0.133      


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 0.717 0.717
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.601 0.000 0.000
y 0.000 -15.601 0.000
z 0.000 0.000 -20.664
Traceless
 xyz
x 2.532 0.000 0.000
y 0.000 2.532 0.000
z 0.000 0.000 -5.063
Polar
3z2-r2-10.126
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.156 0.000 0.000
y 0.000 2.156 0.000
z 0.000 0.000 5.303


<r2> (average value of r2) Å2
<r2> 29.960
(<r2>)1/2 5.474