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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-147.796491
Energy at 298.15K-147.799275
HF Energy-147.796491
Nuclear repulsion energy62.168041
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 B1B95/3-21G
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 3214 3074 0.00      
2 A1 1535 1469 0.25      
3 A1 1389 1329 12.84      
4 A1 923 883 5.41      
5 A2 964 923 0.00      
6 B1 3351 3206 6.31      
7 B1 1100 1052 2.11      
8 B2 986 943 81.30      
9 B2 743 711 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 7102.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6794.6 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 B1B95/3-21G
ABC
1.29631 0.74370 0.52489

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.845
N2 0.000 0.633 -0.558
N3 0.000 -0.633 -0.558
H4 0.939 0.000 1.371
H5 -0.939 0.000 1.371

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.53891.53891.07641.0764
N21.53891.26632.23672.2367
N31.53891.26632.23672.2367
H41.07642.23672.23671.8781
H51.07642.23672.23671.8781

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.705 C1 N3 N2 65.705
N2 C1 N3 48.591 N2 C1 H4 116.459
N2 C1 H5 116.459 N3 C1 H4 116.459
N3 C1 H5 116.459 H4 C1 H5 121.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 N -0.129      
3 N -0.129      
4 H 0.257      
5 H 0.257      


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 1.927 1.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.780 0.000 0.000
y 0.000 -20.362 0.000
z 0.000 0.000 -16.861
Traceless
 xyz
x 2.832 0.000 0.000
y 0.000 -4.042 0.000
z 0.000 0.000 1.210
Polar
3z2-r22.420
x2-y24.582
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.025 0.000 0.000
y 0.000 2.301 0.000
z 0.000 0.000 3.721


<r2> (average value of r2) Å2
<r2> 30.808
(<r2>)1/2 5.550