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All results from a given calculation for CN2 (3H-Diazirin-3-ylidene)

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-147.094603
Energy at 298.15K-147.094444
HF Energy-146.643716
Nuclear repulsion energy52.181288
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 QCISD/6-311G**
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 1634 1559 15.56      
2 A1 1145 1092 19.83      
3 B2 1028 981 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 1903.3 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 1815.9 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 QCISD/6-311G**
ABC
1.46666 1.31504 0.69336

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.865
N2 0.000 0.641 -0.371
N3 0.000 -0.641 -0.371

Atom - Atom Distances (Å)
  C1 N2 N3
C11.39151.3915
N21.39151.2813
N31.39151.2813

picture of 3H-Diazirin-3-ylidene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 62.589 C1 N3 N2 62.589
N2 C1 N3 54.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability