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

using model chemistry: HSEh1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-132.549096
Energy at 298.15K-132.552159
HF Energy-132.549096
Nuclear repulsion energy63.711700
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 HSEh1PBE/aug-cc-pVDZ
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' 3230 3108 1.14      
2 A' 3115 2997 25.07      
3 A' 1757 1690 9.26      
4 A' 1498 1441 0.34      
5 A' 1337 1287 6.41      
6 A' 1051 1011 0.15      
7 A' 1005 967 54.61      
8 A' 715 688 15.97      
9 A" 3210 3089 19.25      
10 A" 1106 1064 1.63      
11 A" 983 946 0.20      
12 A" 798 768 17.72      

Unscaled Zero Point Vibrational Energy (zpe) 9902.0 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 9527.7 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 HSEh1PBE/aug-cc-pVDZ
ABC
1.18463 0.74704 0.50567

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.864 -0.170 0.000
C2 0.000 0.744 0.000
C3 0.653 -0.531 0.000
H4 0.039 1.833 0.000
H5 1.045 -0.958 0.926
H6 1.045 -0.958 -0.926

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25791.55962.19712.26322.2632
C21.25791.43281.08942.20172.2017
C31.55961.43282.44241.09261.0926
H42.19711.08942.44243.10803.1080
H52.26322.20171.09263.10801.8526
H62.26322.20171.09263.10801.8526

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 70.509 N1 C2 H4 138.667
N1 C3 C2 49.491 N1 C3 H5 116.038
N1 C3 H6 116.038 C2 N1 C3 60.000
C2 C3 N1 49.491 C2 C3 H5 120.751
C2 C3 H6 120.751 C3 C2 H4 150.824
H5 C3 H6 115.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.458      
2 C 0.494      
3 C 0.906      
4 H -0.215      
5 H -0.363      
6 H -0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.809 1.275 0.000 2.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.851 -1.309 0.000
y -1.309 -15.645 0.000
z 0.000 0.000 -17.592
Traceless
 xyz
x -4.233 -1.309 0.000
y -1.309 3.576 0.000
z 0.000 0.000 0.657
Polar
3z2-r21.313
x2-y2-5.206
xy-1.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.759 -0.412 0.000
y -0.412 4.867 0.000
z 0.000 0.000 3.495


<r2> (average value of r2) Å2
<r2> 33.360
(<r2>)1/2 5.776