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

using model chemistry: CCSD=FULL/aug-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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-132.332077
Energy at 298.15K-132.335113
HF Energy-131.854215
Nuclear repulsion energy63.120604
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 CCSD=FULL/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3254 3254 0.69      
2 A' 3133 3133 20.92      
3 A' 1709 1709 8.90      
4 A' 1512 1512 0.17      
5 A' 1319 1319 7.39      
6 A' 1053 1053 0.11      
7 A' 1006 1006 47.99      
8 A' 677 677 11.40      
9 A" 3229 3229 18.00      
10 A" 1103 1103 1.99      
11 A" 979 979 0.53      
12 A" 775 775 17.62      

Unscaled Zero Point Vibrational Energy (zpe) 9874.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9874.6 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 CCSD=FULL/aug-cc-pVDZ
ABC
1.16429 0.73183 0.49542

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.873 -0.171 0.000
C2 0.000 0.752 0.000
C3 0.663 -0.538 0.000
H4 0.040 1.842 0.000
H5 1.048 -0.966 0.930
H6 1.048 -0.966 -0.930

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27081.57952.21042.27812.2781
C21.27081.45001.09042.21702.2170
C31.57951.45002.45941.09411.0941
H42.21041.09042.45943.12473.1247
H52.27812.21701.09413.12471.8602
H62.27812.21701.09413.12471.8602

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 70.627 N1 C2 H4 138.694
N1 C3 C2 49.373 N1 C3 H5 115.685
N1 C3 H6 115.685 C2 N1 C3 60.000
C2 C3 N1 49.373 C2 C3 H5 120.613
C2 C3 H6 120.613 C3 C2 H4 150.679
H5 C3 H6 116.446
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability