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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-148.561438
Energy at 298.15K-148.564274
HF Energy-148.561438
Nuclear repulsion energy63.634684
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 PBEPBE/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3072 3040 5.36      
2 A1 1658 1641 15.94      
3 A1 1446 1431 2.33      
4 A1 1042 1031 1.52      
5 A2 961 951 0.00      
6 B1 3190 3158 11.09      
7 B1 1108 1097 3.76      
8 B2 959 950 27.74      
9 B2 823 814 14.91      

Unscaled Zero Point Vibrational Energy (zpe) 7129.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 7056.1 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 PBEPBE/6-31G(2df,p)
ABC
1.34471 0.78685 0.55484

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.810
N2 0.000 0.619 -0.541
N3 0.000 -0.619 -0.541
H4 0.942 0.000 1.361
H5 -0.942 0.000 1.361

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48641.48641.09121.0912
N21.48641.23902.21102.2110
N31.48641.23902.21102.2110
H41.09122.21102.21101.8841
H51.09122.21102.21101.8841

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.370 C1 N3 N2 65.370
N2 C1 N3 49.260 N2 C1 H4 117.309
N2 C1 H5 117.309 N3 C1 H4 117.309
N3 C1 H5 117.309 H4 C1 H5 119.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 N -0.033      
3 N -0.033      
4 H 0.144      
5 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.524 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.732 0.000 0.000
y 0.000 -19.443 0.000
z 0.000 0.000 -16.892
Traceless
 xyz
x 2.435 0.000 0.000
y 0.000 -3.131 0.000
z 0.000 0.000 0.696
Polar
3z2-r21.392
x2-y23.711
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.600 0.000 0.000
y 0.000 2.744 0.000
z 0.000 0.000 3.974


<r2> (average value of r2) Å2
<r2> 29.728
(<r2>)1/2 5.452