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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: B1B95/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-148.690231
Energy at 298.15K-148.693112
HF Energy-148.690231
Nuclear repulsion energy64.298585
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/aug-cc-pVDZ
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 3148 3015 7.03      
2 A1 1768 1693 19.68      
3 A1 1482 1419 2.85      
4 A1 1089 1043 2.86      
5 A2 986 945 0.00      
6 B1 3272 3135 10.74      
7 B1 1130 1082 3.77      
8 B2 1016 973 25.13      
9 B2 862 825 19.91      

Unscaled Zero Point Vibrational Energy (zpe) 7375.7 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 7065.2 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/aug-cc-pVDZ
ABC
1.37686 0.80099 0.56674

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.801
N2 0.000 0.611 -0.536
N3 0.000 -0.611 -0.536
H4 0.938 0.000 1.351
H5 -0.938 0.000 1.351

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.47091.47091.08701.0870
N21.47091.22292.19462.1946
N31.47091.22292.19462.1946
H41.08702.19462.19461.8754
H51.08702.19462.19461.8754

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.436 C1 N3 N2 65.436
N2 C1 N3 49.127 N2 C1 H4 117.389
N2 C1 H5 117.389 N3 C1 H4 117.389
N3 C1 H5 117.389 H4 C1 H5 119.231
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.013      
2 N -0.234      
3 N -0.234      
4 H -0.273      
5 H -0.273      


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 1.706 1.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.981 0.000 0.000
y 0.000 -19.822 0.000
z 0.000 0.000 -17.337
Traceless
 xyz
x 2.599 0.000 0.000
y 0.000 -3.163 0.000
z 0.000 0.000 0.564
Polar
3z2-r21.128
x2-y23.841
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.021 0.000 0.000
y 0.000 3.425 0.000
z 0.000 0.000 4.527


<r2> (average value of r2) Å2
<r2> 29.589
(<r2>)1/2 5.440