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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-148.682063
Energy at 298.15K-148.684955
HF Energy-148.682063
Nuclear repulsion energy64.405004
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 mPW1PW91/6-31G*
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 3182 3018 5.90      
2 A1 1787 1695 23.33      
3 A1 1532 1453 2.23      
4 A1 1111 1053 1.74      
5 A2 1010 958 0.00      
6 B1 3295 3125 16.26      
7 B1 1170 1110 4.19      
8 B2 1042 988 32.93      
9 B2 884 838 21.33      

Unscaled Zero Point Vibrational Energy (zpe) 7506.5 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 7118.4 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 mPW1PW91/6-31G*
ABC
1.37830 0.80575 0.56860

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.798
N2 0.000 0.612 -0.535
N3 0.000 -0.612 -0.535
H4 0.932 0.000 1.351
H5 -0.932 0.000 1.351

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.46691.46691.08371.0837
N21.46691.22332.19062.1906
N31.46691.22332.19062.1906
H41.08372.19062.19061.8648
H51.08372.19062.19061.8648

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.356 C1 N3 N2 65.356
N2 C1 N3 49.288 N2 C1 H4 117.594
N2 C1 H5 117.594 N3 C1 H4 117.594
N3 C1 H5 117.594 H4 C1 H5 118.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 N -0.093      
3 N -0.093      
4 H 0.199      
5 H 0.199      


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 1.711 1.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.699 0.000 0.000
y 0.000 -19.580 0.000
z 0.000 0.000 -16.892
Traceless
 xyz
x 2.537 0.000 0.000
y 0.000 -3.284 0.000
z 0.000 0.000 0.747
Polar
3z2-r21.495
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 2.321 0.000 0.000
y 0.000 2.535 0.000
z 0.000 0.000 3.818


<r2> (average value of r2) Å2
<r2> 29.318
(<r2>)1/2 5.415