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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-148.727794
Energy at 298.15K-148.730660
HF Energy-148.727794
Nuclear repulsion energy64.144287
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 B3LYP/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 3135 3025 5.86      
2 A1 1734 1673 22.41      
3 A1 1497 1445 2.44      
4 A1 1053 1017 2.42      
5 A2 991 956 0.00      
6 B1 3253 3139 12.03      
7 B1 1145 1105 4.50      
8 B2 1005 970 28.41      
9 B2 846 816 14.10      

Unscaled Zero Point Vibrational Energy (zpe) 7329.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 7072.5 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 B3LYP/6-31G(2df,p)
ABC
1.37775 0.79346 0.56260

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.807
N2 0.000 0.612 -0.539
N3 0.000 -0.612 -0.539
H4 0.934 0.000 1.355
H5 -0.934 0.000 1.355

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47861.47861.08321.0832
N21.47861.22332.19902.1990
N31.47861.22332.19902.1990
H41.08322.19902.19901.8682
H51.08322.19902.19901.8682

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.565 C1 N3 N2 65.565
N2 C1 N3 48.870 N2 C1 H4 117.446
N2 C1 H5 117.446 N3 C1 H4 117.446
N3 C1 H5 117.446 H4 C1 H5 119.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 N -0.033      
3 N -0.033      
4 H 0.137      
5 H 0.137      


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 1.599 1.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.729 0.000 0.000
y 0.000 -19.461 0.000
z 0.000 0.000 -16.917
Traceless
 xyz
x 2.460 0.000 0.000
y 0.000 -3.138 0.000
z 0.000 0.000 0.678
Polar
3z2-r21.356
x2-y23.732
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.535 0.000 0.000
y 0.000 2.685 0.000
z 0.000 0.000 3.930


<r2> (average value of r2) Å2
<r2> 29.482
(<r2>)1/2 5.430