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

using model chemistry: QCISD/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 QCISD/TZVP
 hartrees
Energy at 0K-147.102417
Energy at 298.15K-147.102256
HF Energy-146.652772
Nuclear repulsion energy52.333244
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/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 1620 1547 15.80      
2 A1 1133 1083 25.56      
3 B2 1023 977 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 1888.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 1803.6 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/TZVP
ABC
1.47259 1.32524 0.69752

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.861
N2 0.000 0.639 -0.369
N3 0.000 -0.639 -0.369

Atom - Atom Distances (Å)
  C1 N2 N3
C11.38671.3867
N21.38671.2787
N31.38671.2787

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 62.546 C1 N3 N2 62.546
N2 C1 N3 54.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability