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

using model chemistry: CCSD(T)/6-311G*

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)/6-311G*
 hartrees
Energy at 0K-132.281392
Energy at 298.15K-132.284017
HF Energy-131.798582
Nuclear repulsion energy62.673676
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)/6-311G*
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' 3332 3207        
2 A' 3314 3190        
3 A' 1715 1651        
4 A' 1391 1339        
5 A' 1079 1039        
6 A' 880 847        
7 A' 506 487        
8 A" 3275 3152        
9 A" 1176 1132        
10 A" 950 914        
11 A" 660 635        
12 A" 531 511        

Unscaled Zero Point Vibrational Energy (zpe) 9403.3 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 9051.6 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)/6-311G*
ABC
1.03842 0.79610 0.47261

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.033 0.906 0.000
C2 -0.033 -0.481 0.646
C3 -0.033 -0.481 -0.646
H4 0.942 1.232 0.000
H5 -0.155 -0.902 1.631
H6 -0.155 -0.902 -1.631

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52961.52961.02782.43802.4380
C21.52961.29102.07351.07882.3185
C31.52961.29102.07352.31851.0788
H41.02782.07352.07352.90112.9011
H52.43801.07882.31852.90113.2624
H62.43802.31851.07882.90113.2624

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 65.038 N1 C2 H5 137.683
N1 C3 C2 65.038 N1 C3 H6 137.683
C2 N1 C3 49.924 C2 N1 H4 106.697
C2 C3 H6 156.020 C3 N1 H4 106.697
C3 C2 H5 156.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability