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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-132.518754
Energy at 298.15K-132.521495
HF Energy-132.346830
Nuclear repulsion energy63.171035
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 B2PLYP=FULL/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' 3400 3400 1.35      
2 A' 3354 3354 23.64      
3 A' 1779 1779 5.36      
4 A' 1396 1396 13.32      
5 A' 1076 1076 1.62      
6 A' 904 904 21.87      
7 A' 585 585 62.34      
8 A" 3338 3338 14.10      
9 A" 1167 1167 37.63      
10 A" 971 971 16.35      
11 A" 737 737 3.88      
12 A" 552 552 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 9630.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9630.1 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 B2PLYP=FULL/6-31G(2df,p)
ABC
1.05998 0.80525 0.47991

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.901 0.000
C2 -0.038 -0.479 0.637
C3 -0.038 -0.479 -0.637
H4 0.935 1.225 0.000
H5 -0.109 -0.895 1.621
H6 -0.109 -0.895 -1.621

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51991.51991.02502.42062.4206
C21.51991.27472.06231.07072.2978
C31.51991.27472.06232.29781.0707
H41.02502.06232.06232.86532.8653
H52.42061.07072.29782.86533.2426
H62.42062.29781.07072.86533.2426

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 65.207 N1 C2 H5 137.581
N1 C3 C2 65.207 N1 C3 H6 137.581
C2 N1 C3 49.586 C2 N1 H4 106.640
C2 C3 H6 156.772 C3 N1 H4 106.640
C3 C2 H5 156.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability