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

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-131.880884
Energy at 298.15K-131.884068
HF Energy-131.880884
Nuclear repulsion energy64.808950
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/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' 3374 3065 1.14      
2 A' 3240 2944 30.47      
3 A' 1916 1740 27.92      
4 A' 1646 1495 0.14      
5 A' 1444 1312 14.79      
6 A' 1181 1073 0.54      
7 A' 1111 1010 62.01      
8 A' 780 709 20.92      
9 A" 3322 3018 29.77      
10 A" 1213 1102 2.85      
11 A" 1078 980 0.00      
12 A" 898 816 16.82      

Unscaled Zero Point Vibrational Energy (zpe) 10600.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 9631.8 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/TZVP
ABC
1.24019 0.76458 0.52187

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.853 -0.155 0.000
C2 0.000 0.727 0.000
C3 0.643 -0.528 0.000
H4 0.055 1.799 0.000
H5 1.029 -0.955 0.910
H6 1.029 -0.955 -0.910

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.22691.54142.15402.23822.2382
C21.22691.41071.07272.17182.1718
C31.54141.41072.40011.07671.0767
H42.15401.07272.40013.05913.0591
H52.23822.17181.07673.05911.8201
H62.23822.17181.07673.05911.8201

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 71.134 N1 C2 H4 138.914
N1 C3 C2 48.866 N1 C3 H5 116.372
N1 C3 H6 116.372 C2 N1 C3 60.000
C2 C3 N1 48.866 C2 C3 H5 121.063
C2 C3 H6 121.063 C3 C2 H4 149.952
H5 C3 H6 115.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.194      
2 C 0.037      
3 C -0.158      
4 H 0.121      
5 H 0.097      
6 H 0.097      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.068 1.381 0.000 2.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.923 -1.328 0.000
y -1.328 -15.622 0.000
z 0.000 0.000 -17.548
Traceless
 xyz
x -4.338 -1.328 0.000
y -1.328 3.613 0.000
z 0.000 0.000 0.725
Polar
3z2-r21.449
x2-y2-5.301
xy-1.328
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.226 -0.451 0.000
y -0.451 4.445 0.000
z 0.000 0.000 2.888


<r2> (average value of r2) Å2
<r2> 32.684
(<r2>)1/2 5.717