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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-131.934440
Energy at 298.15K-131.937107
HF Energy-131.934440
Nuclear repulsion energy63.457460
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 LSDA/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' 3271 3235 2.81      
2 A' 3230 3195 19.47      
3 A' 1769 1750 4.60      
4 A' 1334 1320 15.10      
5 A' 1058 1047 4.69      
6 A' 872 863 29.05      
7 A' 528 523 74.56      
8 A" 3208 3173 21.89      
9 A" 1138 1126 40.90      
10 A" 932 922 17.82      
11 A" 739 731 5.24      
12 A" 522 517 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 9301.2 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 9199.9 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 LSDA/cc-pVTZ
ABC
1.05982 0.82257 0.48615

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.889 0.000
C2 -0.036 -0.471 0.636
C3 -0.036 -0.471 -0.636
H4 0.940 1.231 0.000
H5 -0.130 -0.899 1.626
H6 -0.130 -0.899 -1.626

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50111.50111.03442.41832.4183
C21.50111.27262.06281.08222.3041
C31.50111.27262.06282.30411.0822
H41.03442.06282.06282.88562.8856
H52.41831.08222.30412.88563.2513
H62.41832.30411.08222.88563.2513

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 64.920 N1 C2 H5 138.242
N1 C3 C2 64.920 N1 C3 H6 138.242
C2 N1 C3 50.160 C2 N1 H4 107.457
C2 C3 H6 156.099 C3 N1 H4 107.457
C3 C2 H5 156.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.251      
2 C -0.069      
3 C -0.069      
4 H 0.135      
5 H 0.127      
6 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.108 -1.540 0.000 1.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.631 2.303 0.000
y 2.303 -19.504 0.000
z 0.000 0.000 -14.306
Traceless
 xyz
x -1.726 2.303 0.000
y 2.303 -3.036 0.000
z 0.000 0.000 4.762
Polar
3z2-r29.523
x2-y20.874
xy2.303
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.118 0.332 0.000
y 0.332 4.311 0.000
z 0.000 0.000 4.974


<r2> (average value of r2) Å2
<r2> 33.327
(<r2>)1/2 5.773