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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-148.056474
Energy at 298.15K-148.059209
HF Energy-147.700111
Nuclear repulsion energy61.301620
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
4/u)
Dep P Dep U
1 A1 3231 3070 0.00      
2 A1 1553 1475 0.22      
3 A1 1212 1152 5.20      
4 A1 851 808 8.36      
5 A2 988 939 0.00      
6 B1 3373 3205 9.02      
7 B1 1139 1083 2.57      
8 B2 1054 1002 38.39      
9 B2 660 627 4.49      

Unscaled Zero Point Vibrational Energy (zpe) 7030.8 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 6679.9 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
1.22618 0.74205 0.51233

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 0.844
N2 0.000 0.654 -0.559
N3 0.000 -0.654 -0.559
H4 0.940 0.000 1.377
H5 -0.940 0.000 1.377

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.54781.54781.08031.0803
N21.54781.30742.24862.2486
N31.54781.30742.24862.2486
H41.08032.24862.24861.8801
H51.08032.24862.24861.8801

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.018 C1 N3 N2 65.018
N2 C1 N3 49.964 N2 C1 H4 116.529
N2 C1 H5 116.529 N3 C1 H4 116.529
N3 C1 H5 116.529 H4 C1 H5 120.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability