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All results from a given calculation for CHNCH2 (2H-Azirine)

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 CS 1A'
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-132.061872
Energy at 298.15K-132.064839
HF Energy-131.746661
Nuclear repulsion energy61.831578
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 A' 3302 3137 2.05      
2 A' 3196 3037 6.92      
3 A' 1591 1512 2.36      
4 A' 1503 1428 2.39      
5 A' 1241 1179 15.85      
6 A' 1070 1017 14.73      
7 A' 986 937 35.92      
8 A' 576 547 3.11      
9 A" 3309 3144 18.39      
10 A" 1136 1080 0.84      
11 A" 980 931 0.41      
12 A" 786 747 25.06      

Unscaled Zero Point Vibrational Energy (zpe) 9838.3 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 9347.3 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
1.12624 0.69463 0.47130

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.899 -0.167 0.000
C2 0.000 0.771 0.000
C3 0.688 -0.557 0.000
H4 0.056 1.850 0.000
H5 1.053 -0.984 0.928
H6 1.053 -0.984 -0.928

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.29891.63462.23092.31112.3111
C21.29891.49531.08032.24742.2474
C31.63461.49532.48801.08471.0847
H42.23091.08032.48803.14453.1445
H52.31112.24741.08473.14451.8551
H62.31112.24741.08473.14451.8551

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 71.212 N1 C2 H4 139.154
N1 C3 C2 48.788 N1 C3 H5 114.889
N1 C3 H6 114.889 C2 N1 C3 60.000
C2 C3 N1 48.788 C2 C3 H5 120.336
C2 C3 H6 120.336 C3 C2 H4 149.634
H5 C3 H6 117.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability