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

using model chemistry: CCSD(T)/6-31G**

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(T)/6-31G**
 hartrees
Energy at 0K-132.260204
Energy at 298.15K-132.262857
HF Energy-131.779749
Nuclear repulsion energy62.770698
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(T)/6-31G**
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' 3403 3227        
2 A' 3352 3179        
3 A' 1753 1663        
4 A' 1393 1322        
5 A' 1100 1043        
6 A' 894 848        
7 A' 507 481        
8 A" 3347 3174        
9 A" 1179 1118        
10 A" 988 937        
11 A" 668 633        
12 A" 548 520        

Unscaled Zero Point Vibrational Energy (zpe) 9565.5 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 9072.9 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 CCSD(T)/6-31G**
ABC
1.04227 0.79798 0.47410

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.905 0.000
C2 -0.035 -0.479 0.645
C3 -0.035 -0.479 -0.645
H4 0.943 1.226 0.000
H5 -0.140 -0.906 1.624
H6 -0.140 -0.906 -1.624

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52771.52771.02892.43522.4352
C21.52771.29002.06851.07332.3115
C31.52771.29002.06852.31151.0733
H41.02892.06852.06852.89022.8902
H52.43521.07332.31152.89023.2488
H62.43522.31151.07332.89023.2488

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 65.026 N1 C2 H5 138.187
N1 C3 C2 65.026 N1 C3 H6 138.187
C2 N1 C3 49.947 C2 N1 H4 106.381
C2 C3 H6 155.854 C3 N1 H4 106.381
C3 C2 H5 155.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability