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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-132.644356
Energy at 298.15K-132.647109
HF Energy-132.644356
Nuclear repulsion energy63.080428
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 TPSSh/6-31G(2df,p)
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' 3365 3248 0.61      
2 A' 3270 3155 38.79      
3 A' 1791 1728 5.43      
4 A' 1389 1340 10.81      
5 A' 1076 1038 1.75      
6 A' 902 871 19.62      
7 A' 594 573 63.48      
8 A" 3301 3186 8.03      
9 A" 1162 1122 36.37      
10 A" 958 924 17.02      
11 A" 738 712 3.00      
12 A" 568 548 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 9556.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9222.4 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 TPSSh/6-31G(2df,p)
ABC
1.05762 0.80273 0.47881

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.038 0.903 0.000
C2 -0.038 -0.479 0.638
C3 -0.038 -0.479 -0.638
H4 0.940 1.225 0.000
H5 -0.105 -0.897 1.624
H6 -0.105 -0.897 -1.624

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52171.52171.03052.42532.4253
C21.52171.27512.06621.07382.3011
C31.52171.27512.06622.30111.0738
H41.03052.06622.06622.86982.8698
H52.42531.07382.30112.86983.2486
H62.42532.30111.07382.86983.2486

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 65.230 N1 C2 H5 137.609
N1 C3 C2 65.230 N1 C3 H6 137.609
C2 N1 C3 49.540 C2 N1 H4 106.518
C2 C3 H6 156.779 C3 N1 H4 106.518
C3 C2 H5 156.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.402      
2 C -0.099      
3 C -0.099      
4 H 0.233      
5 H 0.184      
6 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.123 -1.598 0.000 1.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.554 0.380 0.000
y 0.380 3.886 0.000
z 0.000 0.000 4.603


<r2> (average value of r2) Å2
<r2> 33.268
(<r2>)1/2 5.768