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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-132.232620
Energy at 298.15K-132.235330
HF Energy-131.780808
Nuclear repulsion energy63.037642
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 MP2=FULL/6-31G**
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' 3441 3215 1.92      
2 A' 3407 3184 27.63      
3 A' 1774 1657 4.23      
4 A' 1403 1311 14.55      
5 A' 1109 1037 1.46      
6 A' 915 855 19.92      
7 A' 535 500 70.11      
8 A" 3382 3160 11.44      
9 A" 1182 1105 38.59      
10 A" 1002 936 14.04      
11 A" 716 669 5.97      
12 A" 556 520 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 9710.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9073.8 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 MP2=FULL/6-31G**
ABC
1.04963 0.80613 0.47835

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.901 0.000
C2 -0.035 -0.477 0.642
C3 -0.035 -0.477 -0.642
H4 0.940 1.221 0.000
H5 -0.142 -0.900 1.620
H6 -0.142 -0.900 -1.620

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52011.52011.02562.42442.4244
C21.52011.28472.06021.07072.3043
C31.52011.28472.06022.30431.0707
H41.02562.06022.06022.87942.8794
H52.42441.07072.30432.87943.2406
H62.42442.30431.07072.87943.2406

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 65.003 N1 C2 H5 138.038
N1 C3 C2 65.003 N1 C3 H6 138.038
C2 N1 C3 49.995 C2 N1 H4 106.433
C2 C3 H6 155.977 C3 N1 H4 106.433
C3 C2 H5 155.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability