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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: QCISD/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 QCISD/Def2TZVPP
 hartrees
Energy at 0K-132.373605
Energy at 298.15K-132.376380
HF Energy-131.831967
Nuclear repulsion energy63.253040
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 QCISD/Def2TZVPP
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' 3391 3391 13.69      
2 A' 3387 3387 1.65      
3 A' 1773 1773 8.73      
4 A' 1389 1389 13.67      
5 A' 1089 1089 5.03      
6 A' 907 907 26.43      
7 A' 570 570 77.85      
8 A" 3328 3328 16.35      
9 A" 1171 1171 38.37      
10 A" 990 990 15.48      
11 A" 755 755 5.47      
12 A" 598 598 3.27      

Unscaled Zero Point Vibrational Energy (zpe) 9674.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9674.0 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 QCISD/Def2TZVPP
ABC
1.05927 0.81004 0.48120

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.898 0.000
C2 -0.036 -0.477 0.638
C3 -0.036 -0.477 -0.638
H4 0.930 1.225 0.000
H5 -0.121 -0.896 1.620
H6 -0.121 -0.896 -1.620

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51581.51581.02052.41832.4183
C21.51581.27672.05891.07042.2982
C31.51581.27672.05892.29821.0704
H41.02052.05892.05892.86832.8683
H52.41831.07042.29822.86833.2395
H62.41832.29821.07042.86833.2395

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 65.094 N1 C2 H5 137.820
N1 C3 C2 65.094 N1 C3 H6 137.820
C2 N1 C3 49.812 C2 N1 H4 106.913
C2 C3 H6 156.471 C3 N1 H4 106.913
C3 C2 H5 156.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability