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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-132.293175
Energy at 298.15K-132.295915
HF Energy-131.792296
Nuclear repulsion energy63.044201
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3424 3234 2.12      
2 A' 3404 3215 11.87      
3 A' 1750 1653 4.58      
4 A' 1396 1319 14.77      
5 A' 1084 1023 1.19      
6 A' 908 858 23.13      
7 A' 568 537 63.79      
8 A" 3364 3177 19.71      
9 A" 1165 1100 37.46      
10 A" 969 915 15.64      
11 A" 726 686 3.83      
12 A" 573 541 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 9664.8 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 9128.4 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 MP2/6-31G(2df,p)
ABC
1.05014 0.80575 0.47829

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.902 0.000
C2 -0.037 -0.479 0.641
C3 -0.037 -0.479 -0.641
H4 0.939 1.214 0.000
H5 -0.116 -0.891 1.626
H6 -0.116 -0.891 -1.626

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52191.52191.02502.42202.4220
C21.52191.28172.05671.07132.3058
C31.52191.28172.05672.30581.0713
H41.02502.05672.05672.86212.8621
H52.42201.07132.30582.86213.2527
H62.42202.30581.07132.86213.2527

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 65.097 N1 C2 H5 137.453
N1 C3 C2 65.097 N1 C3 H6 137.453
C2 N1 C3 49.806 C2 N1 H4 106.065
C2 C3 H6 156.916 C3 N1 H4 106.065
C3 C2 H5 156.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability