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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-148.671897
Energy at 298.15K-148.674777
HF Energy-148.671897
Nuclear repulsion energy64.316422
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 B3PW91/6-31G(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 3141 3020 6.05      
2 A1 1752 1684 21.40      
3 A1 1496 1438 2.46      
4 A1 1081 1040 2.20      
5 A2 997 958 0.00      
6 B1 3260 3134 11.56      
7 B1 1146 1102 4.04      
8 B2 1017 978 27.02      
9 B2 867 833 18.04      

Unscaled Zero Point Vibrational Energy (zpe) 7378.2 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 7093.4 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 B3PW91/6-31G(2df,p)
ABC
1.37949 0.80068 0.56653

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.802
N2 0.000 0.611 -0.537
N3 0.000 -0.611 -0.537
H4 0.934 0.000 1.352
H5 -0.934 0.000 1.352

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47151.47151.08401.0840
N21.47151.22232.19362.1936
N31.47151.22232.19362.1936
H41.08402.19362.19361.8685
H51.08402.19362.19361.8685

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.460 C1 N3 N2 65.460
N2 C1 N3 49.079 N2 C1 H4 117.472
N2 C1 H5 117.472 N3 C1 H4 117.472
N3 C1 H5 117.472 H4 C1 H5 119.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 N -0.040      
3 N -0.040      
4 H 0.159      
5 H 0.159      


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 1.612 1.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.656 0.000 0.000
y 0.000 -19.395 0.000
z 0.000 0.000 -16.811
Traceless
 xyz
x 2.447 0.000 0.000
y 0.000 -3.161 0.000
z 0.000 0.000 0.714
Polar
3z2-r21.428
x2-y23.739
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.545 0.000 0.000
y 0.000 2.703 0.000
z 0.000 0.000 3.921


<r2> (average value of r2) Å2
<r2> 29.317
(<r2>)1/2 5.415