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

using model chemistry: CCSD(T)=FULL/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(T)=FULL/TZVP
 hartrees
Energy at 0K-132.371959
Energy at 298.15K-132.374632
HF Energy-131.819338
Nuclear repulsion energy62.920401
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)=FULL/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' 3374 3226        
2 A' 3336 3189        
3 A' 1740 1663        
4 A' 1350 1290        
5 A' 1078 1031        
6 A' 881 842        
7 A' 540 516        
8 A" 3317 3171        
9 A" 1150 1099        
10 A" 982 939        
11 A" 699 668        
12 A" 523 500        

Unscaled Zero Point Vibrational Energy (zpe) 9484.7 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 9067.4 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)=FULL/TZVP
ABC
1.05251 0.79800 0.47619

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.033 0.905 0.000
C2 -0.033 -0.479 0.641
C3 -0.033 -0.479 -0.641
H4 0.941 1.228 0.000
H5 -0.158 -0.906 1.618
H6 -0.158 -0.906 -1.618

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52581.52581.02642.43122.4312
C21.52581.28272.06761.07262.3022
C31.52581.28272.06762.30221.0726
H41.02642.06762.06762.89442.8944
H52.43121.07262.30222.89443.2352
H62.43122.30221.07262.89443.2352

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 65.143 N1 C2 H5 138.004
N1 C3 C2 65.143 N1 C3 H6 138.004
C2 N1 C3 49.714 C2 N1 H4 106.574
C2 C3 H6 155.528 C3 N1 H4 106.574
C3 C2 H5 155.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability