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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: CCD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-148.315034
Energy at 298.15K-148.317938
HF Energy-147.835774
Nuclear repulsion energy64.069548
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 CCD/6-31G**
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 3227 3026 4.66      
2 A1 1751 1642 20.27      
3 A1 1555 1458 1.74      
4 A1 1100 1031 2.53      
5 A2 1027 963 0.00      
6 B1 3345 3136 16.90      
7 B1 1176 1102 5.34      
8 B2 1075 1008 24.59      
9 B2 885 830 13.86      

Unscaled Zero Point Vibrational Energy (zpe) 7570.1 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 7097.7 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 CCD/6-31G**
ABC
1.35832 0.80089 0.56219

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.802
N2 0.000 0.617 -0.537
N3 0.000 -0.617 -0.537
H4 0.928 0.000 1.352
H5 -0.928 0.000 1.352

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47471.47471.07891.0789
N21.47471.23472.19352.1935
N31.47471.23472.19352.1935
H41.07892.19352.19351.8566
H51.07892.19352.19351.8566

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.251 C1 N3 N2 65.251
N2 C1 N3 49.497 N2 C1 H4 117.570
N2 C1 H5 117.570 N3 C1 H4 117.570
N3 C1 H5 117.570 H4 C1 H5 118.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability