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

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-131.828928
Energy at 298.15K-131.831935
HF Energy-131.828928
Nuclear repulsion energy64.302307
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 HF/cc-pVTZ
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' 3610 3286 12.64      
2 A' 3519 3202 2.34      
3 A' 1925 1752 10.89      
4 A' 1479 1346 20.90      
5 A' 1175 1069 14.72      
6 A' 1000 910 37.03      
7 A' 686 624 93.65      
8 A" 3448 3138 19.70      
9 A" 1264 1150 47.96      
10 A" 1112 1012 17.30      
11 A" 903 822 8.30      
12 A" 702 639 6.30      

Unscaled Zero Point Vibrational Energy (zpe) 10411.0 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 9475.1 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 HF/cc-pVTZ
ABC
1.09755 0.83647 0.49688

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.881 0.000
C2 -0.036 -0.470 0.626
C3 -0.036 -0.470 -0.626
H4 0.903 1.239 0.000
H5 -0.107 -0.882 1.602
H6 -0.107 -0.882 -1.602

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.48861.48861.00462.38292.3829
C21.48861.25122.04741.06212.2665
C31.48861.25122.04742.26651.0621
H41.00462.04742.04742.84302.8430
H52.38291.06212.26652.84303.2041
H62.38292.26651.06212.84303.2041

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 65.148 N1 C2 H5 137.580
N1 C3 C2 65.148 N1 C3 H6 137.580
C2 N1 C3 49.703 C2 N1 H4 108.855
C2 C3 H6 156.826 C3 N1 H4 108.855
C3 C2 H5 156.826
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.290      
2 C -0.093      
3 C -0.093      
4 H 0.136      
5 H 0.170      
6 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.181 -1.703 0.000 2.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.705 2.382 0.000
y 2.382 -19.497 0.000
z 0.000 0.000 -14.034
Traceless
 xyz
x -1.940 2.382 0.000
y 2.382 -3.127 0.000
z 0.000 0.000 5.067
Polar
3z2-r210.135
x2-y20.792
xy2.382
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.899 0.266 0.000
y 0.266 4.069 0.000
z 0.000 0.000 4.776


<r2> (average value of r2) Å2
<r2> 32.737
(<r2>)1/2 5.722