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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B2PLYP=FULLultrafine/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-148.588835
Energy at 298.15K 
HF Energy-148.430509
Nuclear repulsion energy63.791897
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 B2PLYP=FULLultrafine/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 A1 3161 3029 3.30 100.67 0.14 0.25
2 A1 1675 1605 20.04 13.47 0.12 0.21
3 A1 1481 1419 3.71 8.25 0.34 0.51
4 A1 1048 1004 4.10 13.91 0.41 0.58
5 A2 985 944 0.00 7.25 0.75 0.86
6 B1 3288 3150 12.11 47.61 0.75 0.86
7 B1 1135 1087 4.31 2.64 0.75 0.86
8 B2 991 950 32.27 0.96 0.75 0.86
9 B2 831 796 14.70 10.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7297.0 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 6992.0 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 B2PLYP=FULLultrafine/cc-pVDZ
ABC
1.35162 0.79052 0.55770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.808
N2 0.000 0.618 -0.540
N3 0.000 -0.618 -0.540
H4 0.941 0.000 1.357
H5 -0.941 0.000 1.357

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48271.48271.08981.0898
N21.48271.23552.20632.2063
N31.48271.23552.20632.2063
H41.08982.20632.20631.8820
H51.08982.20632.20631.8820

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.377 C1 N3 N2 65.377
N2 C1 N3 49.245 N2 C1 H4 117.290
N2 C1 H5 117.290 N3 C1 H4 117.290
N3 C1 H5 117.290 H4 C1 H5 119.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 N -0.056      
3 N -0.056      
4 H 0.055      
5 H 0.055      


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 1.569 1.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.796 0.000 0.000
y 0.000 -19.678 0.000
z 0.000 0.000 -17.079
Traceless
 xyz
x 2.582 0.000 0.000
y 0.000 -3.240 0.000
z 0.000 0.000 0.658
Polar
3z2-r21.317
x2-y23.881
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.356 0.000 0.000
y 0.000 2.576 0.000
z 0.000 0.000 3.853


<r2> (average value of r2) Å2
<r2> 29.741
(<r2>)1/2 5.454