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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-132.396408
Energy at 298.15K-132.392133
HF Energy-131.773925
Nuclear repulsion energy64.076418
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 CBS-Q
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' 3609 3609 32.51      
2 A' 3550 3550 1.32      
3 A' 1952 1952 6.39      
4 A' 1500 1500 19.36      
5 A' 1188 1188 13.80      
6 A' 1001 1001 27.97      
7 A' 682 682 84.51      
8 A" 3480 3480 12.63      
9 A" 1286 1286 49.40      
10 A" 1091 1091 14.53      
11 A" 876 876 8.64      
12 A" 708 708 5.41      

Unscaled Zero Point Vibrational Energy (zpe) 10460.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10460.4 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 CBS-Q
ABC
1.03580 0.80070 0.47366

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.890 0.000
C2 -0.036 -0.474 0.627
C3 -0.036 -0.474 -0.627
H4 0.911 1.232 0.000
H5 -0.117 -0.888 1.607
H6 -0.117 -0.888 -1.607

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50131.50131.00682.39832.3983
C21.50131.25442.04951.06722.2741
C31.50131.25442.04952.27411.0672
H41.00682.04952.04952.85242.8524
H52.39831.06722.27412.85243.2149
H62.39832.27411.06722.85243.2149

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 65.308 N1 C2 H5 137.400
N1 C3 C2 65.308 N1 C3 H6 137.400
C2 N1 C3 49.384 C2 N1 H4 107.977
C2 C3 H6 156.713 C3 N1 H4 107.977
C3 C2 H5 156.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability