return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-132.650846
Energy at 298.15K-132.653529
HF Energy-132.650846
Nuclear repulsion energy63.103679
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/6-311G*
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' 3337 3225 0.31      
2 A' 3287 3177 46.61      
3 A' 1790 1730 5.82      
4 A' 1394 1347 13.52      
5 A' 1061 1026 1.75      
6 A' 884 854 26.43      
7 A' 548 530 85.54      
8 A" 3274 3164 5.79      
9 A" 1173 1134 42.42      
10 A" 956 924 17.02      
11 A" 732 707 6.64      
12 A" 524 506 5.01      

Unscaled Zero Point Vibrational Energy (zpe) 9480.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 9161.2 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/6-311G*
ABC
1.06255 0.80050 0.47877

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.903 0.000
C2 -0.035 -0.480 0.636
C3 -0.035 -0.480 -0.636
H4 0.936 1.237 0.000
H5 -0.133 -0.901 1.620
H6 -0.133 -0.901 -1.620

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52181.52181.02742.42672.4267
C21.52181.27252.07231.07512.2978
C31.52181.27252.07232.29781.0751
H41.02742.07232.07232.88752.8875
H52.42671.07512.29782.88753.2410
H62.42672.29781.07512.88753.2410

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 65.286 N1 C2 H5 137.630
N1 C3 C2 65.286 N1 C3 H6 137.630
C2 N1 C3 49.427 C2 N1 H4 107.169
C2 C3 H6 156.282 C3 N1 H4 107.169
C3 C2 H5 156.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.469      
2 C -0.127      
3 C -0.127      
4 H 0.287      
5 H 0.217      
6 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.226 -1.683 0.000 2.082
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.556 2.393 0.000
y 2.393 -19.483 0.000
z 0.000 0.000 -14.213
Traceless
 xyz
x -1.709 2.393 0.000
y 2.393 -3.098 0.000
z 0.000 0.000 4.807
Polar
3z2-r29.613
x2-y20.926
xy2.393
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.546 0.386 0.000
y 0.386 3.875 0.000
z 0.000 0.000 4.630


<r2> (average value of r2) Å2
<r2> 33.542
(<r2>)1/2 5.792