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

using model chemistry: MP4/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 MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-132.409487
Energy at 298.15K-132.412163
HF Energy-131.827656
Nuclear repulsion energy62.774314
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 MP4/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 3259        
2 A' 3336 3247        
3 A' 1708 1662        
4 A' 1360 1324        
5 A' 1048 1020        
6 A' 871 848        
7 A' 539 524        
8 A" 3287 3199        
9 A" 1138 1107        
10 A" 966 940        
11 A" 718 699        
12 A" 528 514        

Unscaled Zero Point Vibrational Energy (zpe) 9423.5 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 9171.0 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 MP4/aug-cc-pVTZ
ABC
1.04639 0.79472 0.47354

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.908 0.000
C2 -0.036 -0.482 0.643
C3 -0.036 -0.482 -0.643
H4 0.938 1.228 0.000
H5 -0.123 -0.901 1.627
H6 -0.123 -0.901 -1.627

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53091.53091.02572.43442.4344
C21.53091.28552.07051.07322.3095
C31.53091.28552.07052.30951.0732
H41.02572.07052.07052.88232.8823
H52.43441.07322.30952.88233.2534
H62.43442.30951.07322.88233.2534

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 65.174 N1 C2 H5 137.716
N1 C3 C2 65.174 N1 C3 H6 137.716
C2 N1 C3 49.652 C2 N1 H4 106.489
C2 C3 H6 156.467 C3 N1 H4 106.489
C3 C2 H5 156.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability