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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-148.681923
Energy at 298.15K-148.684762
HF Energy-148.681923
Nuclear repulsion energy63.966720
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 B97D3/6-311+G(3df,2p)
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 3074 3034 8.50      
2 A1 1668 1646 18.53      
3 A1 1468 1449 2.45      
4 A1 1005 992 2.58      
5 A2 968 956 0.00      
6 B1 3191 3150 13.94      
7 B1 1125 1110 3.41      
8 B2 969 956 31.20      
9 B2 819 808 14.42      

Unscaled Zero Point Vibrational Energy (zpe) 7143.7 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 7050.8 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 B97D3/6-311+G(3df,2p)
ABC
1.37016 0.78892 0.55939

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.810
N2 0.000 0.613 -0.541
N3 0.000 -0.613 -0.541
H4 0.936 0.000 1.356
H5 -0.936 0.000 1.356

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.48361.48361.08401.0840
N21.48361.22672.20252.2025
N31.48361.22672.20252.2025
H41.08402.20252.20251.8730
H51.08402.20252.20251.8730

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.581 C1 N3 N2 65.581
N2 C1 N3 48.838 N2 C1 H4 117.292
N2 C1 H5 117.292 N3 C1 H4 117.292
N3 C1 H5 117.292 H4 C1 H5 119.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.251      
2 N -0.258      
3 N -0.258      
4 H 0.132      
5 H 0.132      


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 1.664 1.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.028 0.000 0.000
y 0.000 -19.870 0.000
z 0.000 0.000 -17.298
Traceless
 xyz
x 2.556 0.000 0.000
y 0.000 -3.207 0.000
z 0.000 0.000 0.651
Polar
3z2-r21.302
x2-y23.842
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.069 0.000 0.000
y 0.000 3.524 0.000
z 0.000 0.000 4.618


<r2> (average value of r2) Å2
<r2> 29.805
(<r2>)1/2 5.459