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

using model chemistry: CCSD=FULL/6-311+G(3df,2p)

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=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.435831
Energy at 298.15K-132.438633
HF Energy-131.827327
Nuclear repulsion energy63.511858
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=FULL/6-311+G(3df,2p)
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' 3414 3414 9.02      
2 A' 3396 3396 2.37      
3 A' 1782 1782 9.71      
4 A' 1383 1383 14.18      
5 A' 1103 1103 8.27      
6 A' 918 918 27.38      
7 A' 569 569 76.13      
8 A" 3337 3337 17.34      
9 A" 1182 1182 39.30      
10 A" 1005 1005 16.05      
11 A" 766 766 5.37      
12 A" 617 617 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 9736.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9736.0 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=FULL/6-311+G(3df,2p)
ABC
1.06417 0.82039 0.48554

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.891 0.000
C2 -0.036 -0.474 0.637
C3 -0.036 -0.474 -0.637
H4 0.925 1.232 0.000
H5 -0.123 -0.889 1.619
H6 -0.123 -0.889 -1.619

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50581.50581.01982.40742.4074
C21.50581.27322.05911.06982.2947
C31.50581.27322.05912.29471.0698
H41.01982.05912.05912.86712.8671
H52.40741.06982.29472.86713.2371
H62.40742.29471.06982.86713.2371

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 64.992 N1 C2 H5 137.720
N1 C3 C2 64.992 N1 C3 H6 137.720
C2 N1 C3 50.016 C2 N1 H4 107.677
C2 C3 H6 156.626 C3 N1 H4 107.677
C3 C2 H5 156.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability