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

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-132.296687
Energy at 298.15K-132.299439
HF Energy-131.820542
Nuclear repulsion energy63.209786
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 CCSD/TZVP
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' 3402 3247 2.19      
2 A' 3375 3221 21.50      
3 A' 1784 1702 9.21      
4 A' 1370 1307 11.36      
5 A' 1100 1050 3.41      
6 A' 908 867 23.97      
7 A' 565 540 88.02      
8 A" 3343 3191 13.26      
9 A" 1168 1115 41.15      
10 A" 1003 957 13.74      
11 A" 729 696 6.06      
12 A" 571 545 5.49      

Unscaled Zero Point Vibrational Energy (zpe) 9659.0 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9218.5 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 CCSD/TZVP
ABC
1.06048 0.80723 0.48072

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.899 0.000
C2 -0.034 -0.477 0.638
C3 -0.034 -0.477 -0.638
H4 0.935 1.229 0.000
H5 -0.146 -0.901 1.616
H6 -0.146 -0.901 -1.616

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51671.51671.02372.42122.4212
C21.51671.27662.06331.07122.2962
C31.51671.27662.06332.29621.0712
H41.02372.06332.06332.88392.8839
H52.42121.07122.29622.88393.2313
H62.42122.29621.07122.88393.2313

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 65.111 N1 C2 H5 137.988
N1 C3 C2 65.111 N1 C3 H6 137.988
C2 N1 C3 49.777 C2 N1 H4 107.014
C2 C3 H6 155.829 C3 N1 H4 107.014
C3 C2 H5 155.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability