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

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-131.373562
Energy at 298.15K-131.376512
HF Energy-131.061661
Nuclear repulsion energy61.642034
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/3-21G*
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' 3290 3119 1.86      
2 A' 3214 3047 4.00      
3 A' 1584 1502 1.41      
4 A' 1442 1367 3.99      
5 A' 1196 1134 18.67      
6 A' 1033 979 21.74      
7 A' 937 888 33.56      
8 A' 583 553 1.58      
9 A" 3330 3157 11.20      
10 A" 1125 1066 1.16      
11 A" 977 926 0.59      
12 A" 797 755 26.30      

Unscaled Zero Point Vibrational Energy (zpe) 9753.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 9245.8 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/3-21G*
ABC
1.13085 0.68234 0.46662

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.906 -0.156 0.000
C2 0.000 0.770 0.000
C3 0.696 -0.566 0.000
H4 0.071 1.844 0.000
H5 1.047 -0.989 0.930
H6 1.047 -0.989 -0.930

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.29561.65442.22512.31822.3182
C21.29561.50741.07552.24852.2485
C31.65441.50742.48991.07981.0798
H42.22511.07552.48993.13683.1368
H52.31822.24851.07983.13681.8596
H62.31822.24851.07983.13681.8596

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 71.895 N1 C2 H4 139.392
N1 C3 C2 48.105 N1 C3 H5 114.317
N1 C3 H6 114.317 C2 N1 C3 60.000
C2 C3 N1 48.105 C2 C3 H5 119.797
C2 C3 H6 119.797 C3 C2 H4 148.713
H5 C3 H6 118.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability