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

using model chemistry: CCSD=FULL/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 CCSD=FULL/TZVP
 hartrees
Energy at 0K-147.153233
Energy at 298.15K-147.153076
HF Energy-146.653194
Nuclear repulsion energy52.419764
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 CCSD=FULL/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 1633 1547 15.61      
2 A1 1145 1085 26.18      
3 B2 1037 982 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 1907.1 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 1807.0 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 CCSD=FULL/TZVP
ABC
1.47692 1.33015 0.69985

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
N2 0.000 0.638 -0.368
N3 0.000 -0.638 -0.368

Atom - Atom Distances (Å)
  C1 N2 N3
C11.38431.3843
N21.38431.2768
N31.38431.2768

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 62.537 C1 N3 N2 62.537
N2 C1 N3 54.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability