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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-148.305061
Energy at 298.15K-148.307935
HF Energy-147.831864
Nuclear repulsion energy63.576318
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 MP2/6-31G**
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 3241 3035 2.61      
2 A1 1606 1504 6.45      
3 A1 1509 1413 8.67      
4 A1 1054 987 4.40      
5 A2 1023 958 0.00      
6 B1 3370 3156 12.57      
7 B1 1171 1096 4.42      
8 B2 1042 976 29.15      
9 B2 838 785 9.55      

Unscaled Zero Point Vibrational Energy (zpe) 7426.2 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 6954.6 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 MP2/6-31G**
ABC
1.31681 0.79990 0.55482

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.804
N2 0.000 0.628 -0.537
N3 0.000 -0.628 -0.537
H4 0.931 0.000 1.348
H5 -0.931 0.000 1.348

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48101.48101.07801.0780
N21.48101.25662.19412.1941
N31.48101.25662.19412.1941
H41.07802.19412.19411.8616
H51.07802.19412.19411.8616

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.898 C1 N3 N2 64.898
N2 C1 N3 50.204 N2 C1 H4 117.183
N2 C1 H5 117.183 N3 C1 H4 117.183
N3 C1 H5 117.183 H4 C1 H5 119.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability