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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-132.350851
Energy at 298.15K-132.353911
HF Energy-131.851753
Nuclear repulsion energy63.541925
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 MP2/6-31G(2df,p)
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' 3304 3120 0.24      
2 A' 3178 3002 12.65      
3 A' 1657 1565 5.14      
4 A' 1519 1435 0.01      
5 A' 1313 1240 7.77      
6 A' 1055 997 0.30      
7 A' 1014 958 46.51      
8 A' 706 667 9.47      
9 A" 3282 3100 11.84      
10 A" 1129 1067 1.58      
11 A" 1002 947 0.34      
12 A" 805 760 12.97      

Unscaled Zero Point Vibrational Energy (zpe) 9982.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 9428.3 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 MP2/6-31G(2df,p)
ABC
1.17088 0.74684 0.50256

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.866 -0.178 0.000
C2 0.000 0.750 0.000
C3 0.658 -0.530 0.000
H4 0.034 1.829 0.000
H5 1.038 -0.954 0.922
H6 1.038 -0.954 -0.922

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26931.56452.19882.25362.2536
C21.26931.43981.07882.19842.1984
C31.56451.43982.44001.08351.0835
H42.19881.07882.44003.09873.0987
H52.25362.19841.08353.09871.8437
H62.25362.19841.08353.09871.8437

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 70.228 N1 C2 H4 138.775
N1 C3 C2 49.772 N1 C3 H5 115.458
N1 C3 H6 115.458 C2 N1 C3 60.000
C2 C3 N1 49.772 C2 C3 H5 120.551
C2 C3 H6 120.551 C3 C2 H4 150.997
H5 C3 H6 116.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability