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

using model chemistry: MP2=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-132.469229
Energy at 298.15K-132.472277
HF Energy-131.889187
Nuclear repulsion energy63.721047
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/Def2TZVPP
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' 3271 3271 0.52      
2 A' 3166 3166 15.21      
3 A' 1655 1655 5.27      
4 A' 1527 1527 0.25      
5 A' 1300 1300 8.19      
6 A' 1054 1054 0.63      
7 A' 1007 1007 50.64      
8 A' 685 685 9.94      
9 A" 3268 3268 10.95      
10 A" 1133 1133 1.56      
11 A" 1000 1000 0.64      
12 A" 798 798 17.36      

Unscaled Zero Point Vibrational Energy (zpe) 9932.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9932.1 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/Def2TZVPP
ABC
1.18187 0.74817 0.50489

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.174 0.000
C2 0.000 0.747 0.000
C3 0.659 -0.531 0.000
H4 0.035 1.822 0.000
H5 1.032 -0.952 0.919
H6 1.032 -0.952 -0.919

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26301.56462.18902.24682.2468
C21.26301.43771.07562.19002.1900
C31.56461.43772.43431.07781.0778
H42.18901.07562.43433.08773.0877
H52.24682.19001.07783.08771.8385
H62.24682.19001.07783.08771.8385

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 70.466 N1 C2 H4 138.648
N1 C3 C2 49.534 N1 C3 H5 115.248
N1 C3 H6 115.248 C2 N1 C3 60.000
C2 C3 N1 49.534 C2 C3 H5 120.383
C2 C3 H6 120.383 C3 C2 H4 150.886
H5 C3 H6 117.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability