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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-146.168076
Energy at 298.15K-146.170852
HF Energy-145.918304
Nuclear repulsion energy59.899394
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/STO-3G
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 3418 3039 8.51      
2 A1 1626 1445 0.04      
3 A1 1275 1133 0.83      
4 A1 960 853 2.33      
5 A2 1060 942 0.00      
6 B1 3595 3195 0.39      
7 B1 1144 1017 7.10      
8 B2 1176 1045 0.07      
9 B2 905 804 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 7579.2 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 6737.1 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/STO-3G
ABC
1.08243 0.76273 0.49461

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.821
N2 0.000 0.701 -0.551
N3 0.000 -0.701 -0.551
H4 0.944 0.000 1.391
H5 -0.944 0.000 1.391

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.54091.54091.10251.1025
N21.54091.40282.26992.2699
N31.54091.40282.26992.2699
H41.10252.26992.26991.8881
H51.10252.26992.26991.8881

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 62.924 C1 N3 N2 62.924
N2 C1 N3 54.153 N2 C1 H4 117.380
N2 C1 H5 117.380 N3 C1 H4 117.380
N3 C1 H5 117.380 H4 C1 H5 117.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability