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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-132.521915
Energy at 298.15K-132.524897
HF Energy-132.521915
Nuclear repulsion energy63.012763
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 PBEPBE/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' 3129 3111 3.34      
2 A' 3022 3004 19.78      
3 A' 1683 1674 6.04      
4 A' 1427 1419 0.04      
5 A' 1275 1268 6.34      
6 A' 984 978 2.36      
7 A' 944 939 49.70      
8 A' 673 669 12.50      
9 A" 3117 3099 22.06      
10 A" 1061 1055 1.05      
11 A" 940 935 0.17      
12 A" 762 758 13.27      

Unscaled Zero Point Vibrational Energy (zpe) 9508.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 9453.6 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 PBEPBE/cc-pVDZ
ABC
1.15898 0.73054 0.49459

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.874 -0.172 0.000
C2 0.000 0.752 0.000
C3 0.661 -0.537 0.000
H4 0.037 1.852 0.000
H5 1.055 -0.968 0.937
H6 1.055 -0.968 -0.937

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27201.57762.21982.28712.2871
C21.27201.44921.10032.22472.2247
C31.57761.44922.46931.10361.1036
H42.21981.10032.46933.14073.1407
H52.28712.22471.10363.14071.8734
H62.28712.22471.10363.14071.8734

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 70.523 N1 C2 H4 138.572
N1 C3 C2 49.477 N1 C3 H5 115.956
N1 C3 H6 115.956 C2 N1 C3 60.000
C2 C3 N1 49.477 C2 C3 H5 120.662
C2 C3 H6 120.662 C3 C2 H4 150.905
H5 C3 H6 116.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.132      
2 C 0.018      
3 C -0.008      
4 H 0.022      
5 H 0.050      
6 H 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.541 1.227 0.000 1.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.102 -1.227 0.000
y -1.227 -15.699 0.000
z 0.000 0.000 -17.322
Traceless
 xyz
x -3.592 -1.227 0.000
y -1.227 3.013 0.000
z 0.000 0.000 0.578
Polar
3z2-r21.157
x2-y2-4.404
xy-1.227
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.792 -0.581 0.000
y -0.581 4.438 0.000
z 0.000 0.000 2.788


<r2> (average value of r2) Å2
<r2> 33.647
(<r2>)1/2 5.801