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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: MP4/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 MP4/TZVP
 hartrees
Energy at 0K-132.378351
Energy at 298.15K-132.381380
HF Energy-131.876899
Nuclear repulsion energy63.328742
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/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' 3257 3136        
2 A' 3137 3020        
3 A' 1646 1585        
4 A' 1527 1471        
5 A' 1292 1244        
6 A' 1060 1020        
7 A' 1008 971        
8 A' 650 626        
9 A" 3235 3115        
10 A" 1126 1084        
11 A" 984 948        
12 A" 794 764        

Unscaled Zero Point Vibrational Energy (zpe) 9857.7 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 9492.0 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/TZVP
ABC
1.17350 0.73542 0.49800

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.871 -0.170 0.000
C2 0.000 0.750 0.000
C3 0.664 -0.537 0.000
H4 0.039 1.830 0.000
H5 1.040 -0.963 0.923
H6 1.040 -0.963 -0.923

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26731.57832.19712.26582.2658
C21.26731.44801.08032.20652.2065
C31.57831.44802.44781.08431.0843
H42.19711.08032.44783.10733.1073
H52.26582.20651.08433.10731.8467
H62.26582.20651.08433.10731.8467

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.718 N1 C2 H4 138.602
N1 C3 C2 49.282 N1 C3 H5 115.386
N1 C3 H6 115.386 C2 N1 C3 60.000
C2 C3 N1 49.282 C2 C3 H5 120.551
C2 C3 H6 120.551 C3 C2 H4 150.680
H5 C3 H6 116.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability