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

using model chemistry: B3PW91/aug-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 B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-132.624941
Energy at 298.15K-132.627715
HF Energy-132.624941
Nuclear repulsion energy63.472150
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 B3PW91/aug-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' 3352 3235 2.03      
2 A' 3343 3227 15.86      
3 A' 1796 1733 9.48      
4 A' 1370 1322 12.35      
5 A' 1072 1035 6.70      
6 A' 902 871 28.82      
7 A' 577 557 78.42      
8 A" 3288 3174 16.03      
9 A" 1162 1121 40.32      
10 A" 980 946 17.49      
11 A" 779 752 5.88      
12 A" 573 553 3.74      

Unscaled Zero Point Vibrational Energy (zpe) 9597.4 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 9262.5 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 B3PW91/aug-cc-pVTZ
ABC
1.06774 0.81604 0.48488

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.893 0.000
C2 -0.036 -0.475 0.635
C3 -0.036 -0.475 -0.635
H4 0.928 1.237 0.000
H5 -0.123 -0.896 1.618
H6 -0.123 -0.896 -1.618

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50771.50771.02332.41322.4132
C21.50771.26972.06411.07282.2933
C31.50771.26972.06412.29331.0728
H41.02332.06412.06412.87532.8753
H52.41321.07282.29332.87533.2356
H62.41322.29331.07282.87533.2356

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 65.098 N1 C2 H5 137.880
N1 C3 C2 65.098 N1 C3 H6 137.880
C2 N1 C3 49.804 C2 N1 H4 107.744
C2 C3 H6 156.381 C3 N1 H4 107.744
C3 C2 H5 156.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.324      
2 C -0.304      
3 C -0.304      
4 H 0.100      
5 H 0.416      
6 H 0.416      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.110 -1.582 0.000 1.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.715 2.400 0.000
y 2.400 -19.652 0.000
z 0.000 0.000 -14.271
Traceless
 xyz
x -1.753 2.400 0.000
y 2.400 -3.159 0.000
z 0.000 0.000 4.912
Polar
3z2-r29.824
x2-y20.937
xy2.400
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.770 0.142 0.000
y 0.142 4.992 0.000
z 0.000 0.000 5.202


<r2> (average value of r2) Å2
<r2> 33.363
(<r2>)1/2 5.776