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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2=FULL/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=FULL/6-31G**
 hartrees
Energy at 0K-148.316589
Energy at 298.15K-148.319466
HF Energy-147.832231
Nuclear repulsion energy63.642283
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=FULL/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 3244 3031 2.58      
2 A1 1611 1505 6.51      
3 A1 1513 1414 8.70      
4 A1 1056 987 4.42      
5 A2 1025 958 0.00      
6 B1 3373 3152 12.42      
7 B1 1173 1096 4.39      
8 B2 1045 976 29.27      
9 B2 839 784 9.66      

Unscaled Zero Point Vibrational Energy (zpe) 7439.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 6951.3 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=FULL/6-31G**
ABC
1.31947 0.80161 0.55597

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.803
N2 0.000 0.628 -0.537
N3 0.000 -0.628 -0.537
H4 0.930 0.000 1.347
H5 -0.930 0.000 1.347

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47941.47941.07701.0770
N21.47941.25532.19202.1920
N31.47941.25532.19202.1920
H41.07702.19202.19201.8595
H51.07702.19202.19201.8595

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.895 C1 N3 N2 64.895
N2 C1 N3 50.210 N2 C1 H4 117.198
N2 C1 H5 117.198 N3 C1 H4 117.198
N3 C1 H5 117.198 H4 C1 H5 119.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability