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

using model chemistry: PBEPBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-132.471270
Energy at 298.15K-132.473880
HF Energy-132.471270
Nuclear repulsion energy62.615276
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 PBEPBE/6-31+G**
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' 3290 3253 1.62      
2 A' 3209 3173 22.41      
3 A' 1747 1727 8.79      
4 A' 1314 1299 8.78      
5 A' 1037 1025 2.65      
6 A' 864 854 27.21      
7 A' 533 527 90.98      
8 A" 3232 3195 12.40      
9 A" 1128 1115 46.94      
10 A" 918 908 14.72      
11 A" 701 693 7.54      
12 A" 496 490 6.14      

Unscaled Zero Point Vibrational Energy (zpe) 9234.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 9129.0 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 PBEPBE/6-31+G**
ABC
1.03618 0.79588 0.47239

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.905 0.000
C2 -0.035 -0.481 0.645
C3 -0.035 -0.481 -0.645
H4 0.950 1.237 0.000
H5 -0.142 -0.904 1.637
H6 -0.142 -0.904 -1.637

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.52841.52841.03902.44222.4422
C21.52841.28992.08221.08422.3237
C31.52841.28992.08222.32371.0842
H41.03902.08222.08222.90802.9080
H52.44221.08422.32372.90803.2748
H62.44222.32371.08422.90803.2748

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 65.041 N1 C2 H5 137.734
N1 C3 C2 65.041 N1 C3 H6 137.734
C2 N1 C3 49.917 C2 N1 H4 106.837
C2 C3 H6 156.258 C3 N1 H4 106.837
C3 C2 H5 156.258
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.391      
2 C -0.114      
3 C -0.114      
4 H 0.277      
5 H 0.171      
6 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.254 -1.690 0.000 2.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.008 2.681 0.000
y 2.681 -20.108 0.000
z 0.000 0.000 -14.492
Traceless
 xyz
x -1.708 2.681 0.000
y 2.681 -3.358 0.000
z 0.000 0.000 5.066
Polar
3z2-r210.132
x2-y21.100
xy2.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.256 0.136 0.000
y 0.136 4.657 0.000
z 0.000 0.000 5.112


<r2> (average value of r2) Å2
<r2> 34.150
(<r2>)1/2 5.844