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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-148.295238
Energy at 298.15K-148.298139
HF Energy-147.832702
Nuclear repulsion energy64.083252
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3213 3016 3.61      
2 A1 1796 1686 20.96      
3 A1 1552 1457 2.08      
4 A1 1100 1033 2.03      
5 A2 1023 960 0.00      
6 B1 3327 3123 14.32      
7 B1 1179 1107 4.29      
8 B2 1068 1003 27.78      
9 B2 890 836 18.53      

Unscaled Zero Point Vibrational Energy (zpe) 7574.1 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 7109.0 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 MP3/6-31G*
ABC
1.36592 0.79719 0.56222

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.804
N2 0.000 0.615 -0.538
N3 0.000 -0.615 -0.538
H4 0.932 0.000 1.355
H5 -0.932 0.000 1.355

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47621.47621.08311.0831
N21.47621.22982.19812.1981
N31.47621.22982.19812.1981
H41.08312.19812.19811.8646
H51.08312.19812.19811.8646

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.383 C1 N3 N2 65.383
N2 C1 N3 49.234 N2 C1 H4 117.560
N2 C1 H5 117.560 N3 C1 H4 117.560
N3 C1 H5 117.560 H4 C1 H5 118.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability