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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-132.303548
Energy at 298.15K-132.306583
HF Energy-131.846434
Nuclear repulsion energy63.091404
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/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' 3251 3119 0.98      
2 A' 3135 3007 17.59      
3 A' 1715 1645 8.64      
4 A' 1511 1450 0.08      
5 A' 1330 1276 8.01      
6 A' 1045 1002 0.35      
7 A' 1002 961 49.10      
8 A' 684 656 9.23      
9 A" 3230 3099 22.25      
10 A" 1108 1063 1.91      
11 A" 979 939 0.31      
12 A" 778 747 15.56      

Unscaled Zero Point Vibrational Energy (zpe) 9883.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9482.6 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 QCISD/cc-pVDZ
ABC
1.16187 0.73209 0.49531

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.873 -0.172 0.000
C2 0.000 0.752 0.000
C3 0.662 -0.537 0.000
H4 0.042 1.845 0.000
H5 1.051 -0.967 0.932
H6 1.051 -0.967 -0.932

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27141.57802.21502.28112.2811
C21.27141.44921.09392.21992.2199
C31.57801.44922.46181.09751.0975
H42.21501.09392.46183.12963.1296
H52.28112.21991.09753.12961.8639
H62.28112.21991.09753.12961.8639

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 70.558 N1 C2 H4 138.802
N1 C3 C2 49.442 N1 C3 H5 115.819
N1 C3 H6 115.819 C2 N1 C3 60.000
C2 C3 N1 49.442 C2 C3 H5 120.676
C2 C3 H6 120.676 C3 C2 H4 150.639
H5 C3 H6 116.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability