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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-132.637466
Energy at 298.15K-132.640262
HF Energy-132.637466
Nuclear repulsion energy63.572045
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 mPW1PW91/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' 3371 3234 2.03      
2 A' 3364 3227 20.72      
3 A' 1811 1737 7.02      
4 A' 1389 1332 14.58      
5 A' 1089 1044 5.44      
6 A' 912 875 27.85      
7 A' 581 557 76.47      
8 A" 3308 3173 14.86      
9 A" 1176 1128 41.21      
10 A" 989 948 17.36      
11 A" 785 753 5.23      
12 A" 588 564 4.65      

Unscaled Zero Point Vibrational Energy (zpe) 9681.2 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 9286.2 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 mPW1PW91/cc-pVTZ
ABC
1.07063 0.81888 0.48654

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.892 0.000
C2 -0.036 -0.473 0.634
C3 -0.036 -0.473 -0.634
H4 0.929 1.228 0.000
H5 -0.119 -0.896 1.615
H6 -0.119 -0.896 -1.615

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.50541.50541.02182.41082.4108
C21.50541.26782.05651.07162.2900
C31.50541.26782.05652.29001.0716
H41.02182.05652.05652.86682.8668
H52.41081.07162.29002.86683.2307
H62.41082.29001.07162.86683.2307

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 65.096 N1 C2 H5 137.995
N1 C3 C2 65.096 N1 C3 H6 137.995
C2 N1 C3 49.809 C2 N1 H4 107.376
C2 C3 H6 156.324 C3 N1 H4 107.376
C3 C2 H5 156.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.250      
2 C -0.045      
3 C -0.045      
4 H 0.118      
5 H 0.111      
6 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.109 -1.580 0.000 1.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.454 2.261 0.000
y 2.261 -19.301 0.000
z 0.000 0.000 -14.135
Traceless
 xyz
x -1.736 2.261 0.000
y 2.261 -3.006 0.000
z 0.000 0.000 4.742
Polar
3z2-r29.485
x2-y20.847
xy2.261
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.027 0.299 0.000
y 0.299 4.234 0.000
z 0.000 0.000 4.857


<r2> (average value of r2) Å2
<r2> 33.132
(<r2>)1/2 5.756