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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: PBEPBE/TZVP

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/TZVP
 hartrees
Energy at 0K-132.559808
Energy at 298.15K-132.562808
HF Energy-132.559808
Nuclear repulsion energy63.383378
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/TZVP
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' 3129 3094 2.92      
2 A' 3031 2997 22.52      
3 A' 1687 1668 6.54      
4 A' 1464 1447 0.09      
5 A' 1271 1257 7.57      
6 A' 1011 1000 0.02      
7 A' 963 952 60.67      
8 A' 668 661 14.04      
9 A" 3119 3084 19.50      
10 A" 1083 1071 1.14      
11 A" 953 943 0.16      
12 A" 774 766 16.41      

Unscaled Zero Point Vibrational Energy (zpe) 9576.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 9469.7 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/TZVP
ABC
1.17868 0.73552 0.49949

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.870 -0.167 0.000
C2 0.000 0.747 0.000
C3 0.660 -0.537 0.000
H4 0.039 1.837 0.000
H5 1.047 -0.966 0.928
H6 1.047 -0.966 -0.928

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.26181.57392.20052.27482.2748
C21.26181.44341.09102.21142.2114
C31.57391.44342.45401.09321.0932
H42.20051.09102.45403.11993.1199
H52.27482.21141.09323.11991.8560
H62.27482.21141.09323.11991.8560

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 70.793 N1 C2 H4 138.430
N1 C3 C2 49.207 N1 C3 H5 115.888
N1 C3 H6 115.888 C2 N1 C3 60.000
C2 C3 N1 49.207 C2 C3 H5 120.716
C2 C3 H6 120.716 C3 C2 H4 150.777
H5 C3 H6 116.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.125      
2 C -0.018      
3 C -0.279      
4 H 0.138      
5 H 0.142      
6 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.723 1.236 0.000 2.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.795 -1.421 0.000
y -1.421 -15.844 0.000
z 0.000 0.000 -17.549
Traceless
 xyz
x -4.098 -1.421 0.000
y -1.421 3.328 0.000
z 0.000 0.000 0.770
Polar
3z2-r21.541
x2-y2-4.951
xy-1.421
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.461 -0.514 0.000
y -0.514 4.803 0.000
z 0.000 0.000 3.143


<r2> (average value of r2) Å2
<r2> 33.620
(<r2>)1/2 5.798