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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-132.653005
Energy at 298.15K-132.656066
HF Energy-132.653005
Nuclear repulsion energy63.716795
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-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' 3237 3102 1.35      
2 A' 3115 2985 20.15      
3 A' 1770 1696 9.55      
4 A' 1491 1428 0.18      
5 A' 1344 1288 7.10      
6 A' 1041 997 0.63      
7 A' 999 957 55.21      
8 A' 719 689 14.56      
9 A" 3212 3078 21.22      
10 A" 1106 1059 1.29      
11 A" 984 943 0.11      
12 A" 805 771 14.49      

Unscaled Zero Point Vibrational Energy (zpe) 9909.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 9496.7 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 mPW1PW91/cc-pVDZ
ABC
1.18530 0.74694 0.50587

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 0.743 0.000
C3 0.653 -0.531 0.000
H4 0.040 1.833 0.000
H5 1.046 -0.959 0.927
H6 1.046 -0.959 -0.927

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.25711.55902.19742.26542.2654
C21.25711.43211.09052.20292.2029
C31.55901.43212.44281.09451.0945
H42.19741.09052.44283.10953.1095
H52.26542.20291.09453.10951.8547
H62.26542.20291.09453.10951.8547

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 70.519 N1 C2 H4 138.668
N1 C3 C2 49.481 N1 C3 H5 116.148
N1 C3 H6 116.148 C2 N1 C3 60.000
C2 C3 N1 49.481 C2 C3 H5 120.772
C2 C3 H6 120.772 C3 C2 H4 150.813
H5 C3 H6 115.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.162      
2 C 0.014      
3 C -0.014      
4 H 0.040      
5 H 0.061      
6 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.677 1.290 0.000 2.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.095 -1.243 0.000
y -1.243 -15.495 0.000
z 0.000 0.000 -17.228
Traceless
 xyz
x -3.734 -1.243 0.000
y -1.243 3.167 0.000
z 0.000 0.000 0.567
Polar
3z2-r21.134
x2-y2-4.601
xy-1.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.724 -0.544 0.000
y -0.544 4.278 0.000
z 0.000 0.000 2.700


<r2> (average value of r2) Å2
<r2> 33.098
(<r2>)1/2 5.753