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

using model chemistry: QCISD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ
 hartrees
Energy at 0K-132.407482
Energy at 298.15K-132.410179
HF Energy-131.828123
Nuclear repulsion energy62.882522
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)/aug-cc-pVTZ
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' 3349 3238        
2 A' 3341 3230        
3 A' 1723 1665        
4 A' 1364 1319        
5 A' 1058 1023        
6 A' 878 849        
7 A' 537 520        
8 A" 3287 3178        
9 A" 1146 1108        
10 A" 972 940        
11 A" 715 691        
12 A" 553 535        

Unscaled Zero Point Vibrational Energy (zpe) 9462.0 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9147.9 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 QCISD(T)/aug-cc-pVTZ
ABC
1.04876 0.79870 0.47531

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.905 0.000
C2 -0.036 -0.480 0.642
C3 -0.036 -0.480 -0.642
H4 0.936 1.230 0.000
H5 -0.122 -0.901 1.625
H6 -0.122 -0.901 -1.625

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52681.52681.02492.43102.4310
C21.52681.28402.06911.07292.3076
C31.52681.28402.06912.30761.0729
H41.02492.06912.06912.88072.8807
H52.43101.07292.30762.88073.2508
H62.43102.30761.07292.88073.2508

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 65.134 N1 C2 H5 137.816
N1 C3 C2 65.134 N1 C3 H6 137.816
C2 N1 C3 49.731 C2 N1 H4 106.706
C2 C3 H6 156.430 C3 N1 H4 106.706
C3 C2 H5 156.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability