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: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-130.905716
Energy at 298.15K-130.908551
HF Energy-130.905716
Nuclear repulsion energy 
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 wB97X-D/STO-3G
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' 3614 3614 19.62      
2 A' 3358 3358 62.24      
3 A' 1908 1908 0.48      
4 A' 1519 1519 13.23      
5 A' 1208 1208 1.00      
6 A' 968 968 0.15      
7 A' 657 657 39.81      
8 A" 3528 3528 107.33      
9 A" 1257 1257 26.83      
10 A" 1081 1081 14.25      
11 A" 859 859 0.97      
12 A" 788 788 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 10372.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10372.5 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 wB97X-D/STO-3G
ABC
1.03025 0.75472 0.45950

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.045 0.935 0.000
C2 -0.045 -0.486 0.646
C3 -0.045 -0.486 -0.646
H4 1.006 1.209 0.000
H5 -0.073 -0.965 1.626
H6 -0.073 -0.965 -1.626

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.56101.56101.08682.50082.5008
C21.56101.29282.09631.09072.3224
C31.56101.29282.09632.32241.0907
H41.08682.09632.09632.92072.9207
H52.50081.09072.32242.92073.2519
H62.50082.32241.09072.92073.2519

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 65.538 N1 C2 H5 140.495
N1 C3 C2 65.538 N1 C3 H6 140.495
C2 N1 C3 48.923 C2 N1 H4 103.233
C2 C3 H6 153.908 C3 N1 H4 103.233
C3 C2 H5 153.908
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.248      
2 C -0.057      
3 C -0.057      
4 H 0.130      
5 H 0.116      
6 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.235 -1.536 0.000 1.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.688 1.658 0.000
y 1.658 -17.838 0.000
z 0.000 0.000 -14.017
Traceless
 xyz
x -0.761 1.658 0.000
y 1.658 -2.486 0.000
z 0.000 0.000 3.246
Polar
3z2-r26.492
x2-y21.150
xy1.658
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.056 0.420 0.000
y 0.420 2.060 0.000
z 0.000 0.000 2.754


<r2> (average value of r2) Å2
<r2> 33.745
(<r2>)1/2 5.809