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

using model chemistry: PBEPBEultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-132.509782
Energy at 298.15K-132.512433
HF Energy-132.509782
Nuclear repulsion energy62.894723
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 PBEPBEultrafine/6-311+G(3df,2p)
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' 3270 3270 1.46      
2 A' 3221 3221 20.04      
3 A' 1742 1742 8.97      
4 A' 1330 1330 10.70      
5 A' 1031 1031 3.88      
6 A' 864 864 25.97      
7 A' 539 539 76.81      
8 A" 3210 3210 12.57      
9 A" 1125 1125 39.26      
10 A" 931 931 17.97      
11 A" 729 729 4.59      
12 A" 513 513 3.54      

Unscaled Zero Point Vibrational Energy (zpe) 9251.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9251.2 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
1.05022 0.79963 0.47621

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.903 0.000
C2 -0.037 -0.479 0.640
C3 -0.037 -0.479 -0.640
H4 0.942 1.239 0.000
H5 -0.123 -0.906 1.629
H6 -0.123 -0.906 -1.629

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52311.52311.03452.43582.4358
C21.52311.28032.07801.08062.3107
C31.52311.28032.07802.31071.0806
H41.03452.07802.07802.89612.8961
H52.43581.08062.31072.89613.2583
H62.43582.31071.08062.89613.2583

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 65.147 N1 C2 H5 137.981
N1 C3 C2 65.147 N1 C3 H6 137.981
C2 N1 C3 49.705 C2 N1 H4 107.122
C2 C3 H6 156.240 C3 N1 H4 107.122
C3 C2 H5 156.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.676      
2 C 0.070      
3 C 0.070      
4 H 0.170      
5 H 0.183      
6 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.096 -1.561 0.000 1.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.941 2.389 0.000
y 2.389 -19.909 0.000
z 0.000 0.000 -14.528
Traceless
 xyz
x -1.722 2.389 0.000
y 2.389 -3.174 0.000
z 0.000 0.000 4.897
Polar
3z2-r29.793
x2-y20.968
xy2.389
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.766 0.138 0.000
y 0.138 5.112 0.000
z 0.000 0.000 5.258


<r2> (average value of r2) Å2
<r2> 33.918
(<r2>)1/2 5.824