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

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-132.729375
Energy at 298.15K-132.732421
HF Energy-132.729375
Nuclear repulsion energy63.862305
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 B3LYP/cc-pVTZ
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' 3191 3084 3.20      
2 A' 3094 2991 24.53      
3 A' 1743 1685 10.48      
4 A' 1510 1460 0.06      
5 A' 1303 1259 10.36      
6 A' 1052 1017 0.10      
7 A' 994 961 54.29      
8 A' 678 655 13.75      
9 A" 3180 3074 20.43      
10 A" 1115 1078 1.59      
11 A" 982 950 0.18      
12 A" 807 780 15.93      

Unscaled Zero Point Vibrational Energy (zpe) 9824.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 9496.0 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 B3LYP/cc-pVTZ
ABC
1.20336 0.74256 0.50622

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.865 -0.160 0.000
C2 0.000 0.740 0.000
C3 0.656 -0.536 0.000
H4 0.044 1.820 0.000
H5 1.039 -0.962 0.920
H6 1.039 -0.962 -0.920

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.24831.56752.17892.26162.2616
C21.24831.43481.08132.19542.1954
C31.56751.43482.43451.08321.0832
H42.17891.08132.43453.09413.0941
H52.26162.19541.08323.09411.8394
H62.26162.19541.08323.09411.8394

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 71.106 N1 C2 H4 138.443
N1 C3 C2 48.894 N1 C3 H5 115.929
N1 C3 H6 115.929 C2 N1 C3 60.000
C2 C3 N1 48.894 C2 C3 H5 120.721
C2 C3 H6 120.721 C3 C2 H4 150.451
H5 C3 H6 116.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.138      
2 C -0.032      
3 C -0.155      
4 H 0.117      
5 H 0.104      
6 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.784 1.253 0.000 2.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.602 -1.282 0.000
y -1.282 -15.733 0.000
z 0.000 0.000 -17.523
Traceless
 xyz
x -3.974 -1.282 0.000
y -1.282 3.330 0.000
z 0.000 0.000 0.644
Polar
3z2-r21.288
x2-y2-4.869
xy-1.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.243 -0.507 0.000
y -0.507 4.611 0.000
z 0.000 0.000 3.119


<r2> (average value of r2) Å2
<r2> 33.241
(<r2>)1/2 5.765