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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-132.280752
Energy at 298.15K-132.283776
HF Energy-131.845394
Nuclear repulsion energy62.963315
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/cc-pVDZ
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' 3270 3114 1.02      
2 A' 3158 3008 15.37      
3 A' 1649 1571 5.26      
4 A' 1501 1429 0.08      
5 A' 1307 1245 8.01      
6 A' 1033 984 0.76      
7 A' 993 946 48.53      
8 A' 671 639 7.45      
9 A" 3265 3110 17.81      
10 A" 1112 1059 1.56      
11 A" 982 935 0.56      
12 A" 777 740 15.79      

Unscaled Zero Point Vibrational Energy (zpe) 9858.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 9390.3 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/cc-pVDZ
ABC
1.15005 0.73312 0.49366

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.874 -0.178 0.000
C2 0.000 0.757 0.000
C3 0.664 -0.535 0.000
H4 0.036 1.848 0.000
H5 1.047 -0.964 0.932
H6 1.047 -0.964 -0.932

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27961.57852.22162.27492.2749
C21.27961.45231.09252.21962.2196
C31.57851.45232.46491.09551.0955
H42.22161.09252.46493.13113.1311
H52.27492.21961.09553.13111.8648
H62.27492.21961.09553.13111.8648

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 70.267 N1 C2 H4 138.826
N1 C3 C2 49.733 N1 C3 H5 115.394
N1 C3 H6 115.394 C2 N1 C3 60.000
C2 C3 N1 49.733 C2 C3 H5 120.550
C2 C3 H6 120.550 C3 C2 H4 150.906
H5 C3 H6 116.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability