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

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-132.397626
Energy at 298.15K-132.400359
HF Energy-131.826887
Nuclear repulsion energy63.301703
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/cc-pVTZ
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' 3410 3237 1.91      
2 A' 3398 3226 10.08      
3 A' 1751 1662 6.55      
4 A' 1384 1314 14.28      
5 A' 1079 1024 1.97      
6 A' 902 857 27.46      
7 A' 548 521 72.59      
8 A" 3338 3169 18.53      
9 A" 1155 1097 37.64      
10 A" 988 938 17.03      
11 A" 739 702 4.05      
12 A" 559 531 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 9625.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9138.8 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/cc-pVTZ
ABC
1.06017 0.81132 0.48209

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.898 0.000
C2 -0.036 -0.476 0.638
C3 -0.036 -0.476 -0.638
H4 0.935 1.213 0.000
H5 -0.126 -0.892 1.616
H6 -0.126 -0.892 -1.616

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51581.51581.02022.41362.4136
C21.51581.27692.05031.06602.2941
C31.51581.27692.05032.29411.0660
H41.02022.05032.05032.85782.8578
H52.41361.06602.29412.85783.2318
H62.41362.29411.06602.85783.2318

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 65.091 N1 C2 H5 137.729
N1 C3 C2 65.091 N1 C3 H6 137.729
C2 N1 C3 49.819 C2 N1 H4 106.246
C2 C3 H6 156.482 C3 N1 H4 106.246
C3 C2 H5 156.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability