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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-132.326433
Energy at 298.15K-132.329483
HF Energy-131.867105
Nuclear repulsion energy63.363028
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 MP2/6-311G**
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' 3269 3107 0.96      
2 A' 3157 2999 16.32      
3 A' 1656 1574 5.04      
4 A' 1525 1449 0.10      
5 A' 1308 1243 9.22      
6 A' 1055 1003 0.17      
7 A' 1010 960 52.48      
8 A' 682 648 8.40      
9 A" 3259 3097 18.80      
10 A" 1132 1076 1.75      
11 A" 997 947 0.59      
12 A" 800 760 17.11      

Unscaled Zero Point Vibrational Energy (zpe) 9924.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 9430.1 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 MP2/6-311G**
ABC
1.16830 0.74014 0.49934

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.869 -0.175 0.000
C2 0.000 0.752 0.000
C3 0.662 -0.533 0.000
H4 0.034 1.833 0.000
H5 1.038 -0.959 0.924
H6 1.038 -0.959 -0.924

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27031.57242.20172.26002.2600
C21.27031.44531.08192.20442.2044
C31.57241.44532.44791.08521.0852
H42.20171.08192.44793.10783.1078
H52.26002.20441.08523.10781.8490
H62.26002.20441.08523.10781.8490

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 70.431 N1 C2 H4 138.646
N1 C3 C2 49.569 N1 C3 H5 115.280
N1 C3 H6 115.280 C2 N1 C3 60.000
C2 C3 N1 49.569 C2 C3 H5 120.516
C2 C3 H6 120.516 C3 C2 H4 150.924
H5 C3 H6 116.830
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability