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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-132.561734
Energy at 298.15K-132.564782
HF Energy-132.561734
Nuclear repulsion energy63.104204
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 B1B95/6-31G
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' 3316 3162 0.86      
2 A' 3183 3035 10.10      
3 A' 1708 1628 6.52      
4 A' 1546 1474 0.45      
5 A' 1298 1238 11.40      
6 A' 1083 1033 12.90      
7 A' 1020 972 56.27      
8 A' 677 646 8.42      
9 A" 3284 3132 22.11      
10 A" 1132 1080 0.91      
11 A" 987 941 0.00      
12 A" 814 776 25.55      

Unscaled Zero Point Vibrational Energy (zpe) 10023.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9559.1 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 B1B95/6-31G
ABC
1.16950 0.72737 0.49305

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.878 -0.166 0.000
C2 0.000 0.753 0.000
C3 0.666 -0.542 0.000
H4 0.053 1.828 0.000
H5 1.048 -0.967 0.918
H6 1.048 -0.967 -0.918

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.27091.58912.20012.27952.2795
C21.27091.45631.07592.21402.2140
C31.58911.45632.44771.08191.0819
H42.20011.07592.44773.10573.1057
H52.27952.21401.08193.10571.8368
H62.27952.21401.08193.10571.8368

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 70.906 N1 C2 H4 139.128
N1 C3 C2 49.094 N1 C3 H5 115.875
N1 C3 H6 115.875 C2 N1 C3 60.000
C2 C3 N1 49.094 C2 C3 H5 120.740
C2 C3 H6 120.740 C3 C2 H4 149.967
H5 C3 H6 116.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.299      
2 C 0.053      
3 C -0.312      
4 H 0.193      
5 H 0.182      
6 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.960 1.326 0.000 2.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.625 -1.583 0.000
y -1.583 -15.607 0.000
z 0.000 0.000 -17.298
Traceless
 xyz
x -4.173 -1.583 0.000
y -1.583 3.355 0.000
z 0.000 0.000 0.818
Polar
3z2-r21.636
x2-y2-5.019
xy-1.583
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.761 -0.552 0.000
y -0.552 4.178 0.000
z 0.000 0.000 2.419


<r2> (average value of r2) Å2
<r2> 33.658
(<r2>)1/2 5.802