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

using model chemistry: QCISD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-132.262084
Energy at 298.15K-132.264713
HF Energy-131.783748
Nuclear repulsion energy62.221070
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 QCISD(T)/cc-pVDZ
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' 3347 3190        
2 A' 3285 3131        
3 A' 1715 1635        
4 A' 1373 1308        
5 A' 1067 1017        
6 A' 863 823        
7 A' 504 480        
8 A" 3292 3138        
9 A" 1155 1100        
10 A" 949 905        
11 A" 671 639        
12 A" 535 510        

Unscaled Zero Point Vibrational Energy (zpe) 9378.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 8938.3 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 QCISD(T)/cc-pVDZ
ABC
1.01935 0.78770 0.46639

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.913 0.000
C2 -0.037 -0.482 0.651
C3 -0.037 -0.482 -0.651
H4 0.956 1.217 0.000
H5 -0.123 -0.915 1.646
H6 -0.123 -0.915 -1.646

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53921.53921.03862.46112.4611
C21.53921.30262.07231.08812.3392
C31.53921.30262.07232.33921.0881
H41.03862.07232.07232.90092.9009
H52.46111.08812.33922.90093.2916
H62.46112.33921.08812.90093.2916

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 64.967 N1 C2 H5 138.373
N1 C3 C2 64.967 N1 C3 H6 138.373
C2 N1 C3 50.067 C2 N1 H4 105.357
C2 C3 H6 156.058 C3 N1 H4 105.357
C3 C2 H5 156.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability