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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-132.243185
Energy at 298.15K-132.245882
HF Energy-131.786523
Nuclear repulsion energy62.991308
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/6-31+G**
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' 3435 3226 3.46      
2 A' 3432 3223 5.85      
3 A' 1760 1653 9.08      
4 A' 1365 1282 11.85      
5 A' 1093 1027 2.49      
6 A' 907 852 29.66      
7 A' 539 506 97.39      
8 A" 3376 3171 16.55      
9 A" 1167 1096 47.84      
10 A" 992 932 13.63      
11 A" 725 681 9.52      
12 A" 536 504 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 9663.4 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 9075.9 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/6-31+G**
ABC
1.04751 0.80543 0.47754

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.032 0.900 0.000
C2 -0.032 -0.478 0.644
C3 -0.032 -0.478 -0.644
H4 0.936 1.232 0.000
H5 -0.166 -0.896 1.621
H6 -0.166 -0.896 -1.621

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52061.52061.02392.42272.4227
C21.52061.28702.06821.07132.3063
C31.52061.28702.06822.30631.0713
H41.02392.06822.06822.89362.8936
H52.42271.07132.30632.89363.2412
H62.42272.30631.07132.89363.2412

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 64.964 N1 C2 H5 137.706
N1 C3 C2 64.964 N1 C3 H6 137.706
C2 N1 C3 50.073 C2 N1 H4 107.127
C2 C3 H6 155.795 C3 N1 H4 107.127
C3 C2 H5 155.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability