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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-132.278316
Energy at 298.15K-132.281368
HF Energy-131.836365
Nuclear repulsion energy63.468824
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 QCISD/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' 3267 3112 1.83      
2 A' 3147 2997 18.92      
3 A' 1738 1655 8.84      
4 A' 1554 1480 0.03      
5 A' 1343 1279 7.66      
6 A' 1074 1023 0.43      
7 A' 1030 980 50.46      
8 A' 708 674 10.47      
9 A" 3233 3079 25.42      
10 A" 1139 1085 1.53      
11 A" 1001 953 0.13      
12 A" 781 744 15.93      

Unscaled Zero Point Vibrational Energy (zpe) 10007.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9530.5 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 QCISD/6-31G*
ABC
1.17379 0.74224 0.50109

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.868 -0.172 0.000
C2 0.000 0.749 0.000
C3 0.657 -0.533 0.000
H4 0.042 1.833 0.000
H5 1.045 -0.963 0.923
H6 1.045 -0.963 -0.923

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26601.56732.20282.26642.2664
C21.26601.44051.08512.20772.2077
C31.56731.44052.44471.08931.0893
H42.20281.08512.44473.11053.1105
H52.26642.20771.08933.11051.8451
H62.26642.20771.08933.11051.8451

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 70.437 N1 C2 H4 138.944
N1 C3 C2 49.563 N1 C3 H5 115.935
N1 C3 H6 115.935 C2 N1 C3 60.000
C2 C3 N1 49.563 C2 C3 H5 120.916
C2 C3 H6 120.916 C3 C2 H4 150.619
H5 C3 H6 115.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability