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

using model chemistry: TPSSh/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/TZVP
 hartrees
Energy at 0K-147.486375
Energy at 298.15K-147.486212
HF Energy-147.486375
Nuclear repulsion energy52.210541
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 TPSSh/TZVP
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 1588 1531 13.87      
2 A1 1127 1086 24.10      
3 B2 1018 981 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 1866.7 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 1799.0 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 TPSSh/TZVP
ABC
1.46277 1.32187 0.69438

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.862
N2 0.000 0.641 -0.370
N3 0.000 -0.641 -0.370

Atom - Atom Distances (Å)
  C1 N2 N3
C11.38911.3891
N21.38911.2830
N31.38911.2830

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 62.497 C1 N3 N2 62.497
N2 C1 N3 55.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability