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All results from a given calculation for CH3N3 (methyl azide)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-202.893272
Energy at 298.15K-202.898072
HF Energy-202.893272
Nuclear repulsion energy110.064234
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 HF/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 A' 3296 2985 18.84      
2 A' 3159 2861 48.54      
3 A' 2465 2232 735.37      
4 A' 1614 1462 15.19      
5 A' 1575 1427 10.28      
6 A' 1379 1249 308.49      
7 A' 1257 1138 9.32      
8 A' 1011 916 28.90      
9 A' 755 684 7.31      
10 A' 280 253 4.61      
11 A" 3220 2915 45.30      
12 A" 1616 1463 5.17      
13 A" 1209 1095 1.74      
14 A" 697 631 18.06      
15 A" 108 98 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 11820.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 10703.5 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 HF/6-31G(2df,p)
ABC
1.43358 0.18839 0.17187

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.054 -1.528 0.000
N2 0.709 -0.275 0.000
N3 0.000 0.721 0.000
N4 -0.565 1.660 0.000
H5 0.671 -2.328 0.000
H6 -0.678 -1.622 0.885
H7 -0.678 -1.622 -0.885

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46632.25013.22851.07961.08681.0868
N21.46631.22322.31682.05282.12592.1259
N32.25011.22321.09533.12242.59542.5954
N43.22852.31681.09534.17493.40123.4012
H51.07962.05283.12244.17491.76081.7608
H61.08682.12592.59543.40121.76081.7695
H71.08682.12592.59543.40121.76081.7695

picture of methyl azide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 113.263 N2 C1 H5 106.484
N2 C1 H6 111.885 N2 C1 H7 111.885
N2 N3 N4 175.646 H5 C1 H6 108.737
H5 C1 H7 108.737 H6 C1 H7 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 N -0.389      
3 N 0.444      
4 N -0.226      
5 H 0.170      
6 H 0.149      
7 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.987 -1.569 0.000 1.853
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.196 1.569 0.000
y 1.569 -22.923 0.000
z 0.000 0.000 -23.208
Traceless
 xyz
x -2.130 1.569 0.000
y 1.569 1.279 0.000
z 0.000 0.000 0.851
Polar
3z2-r21.702
x2-y2-2.273
xy1.569
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.830 -1.290 0.000
y -1.290 6.801 0.000
z 0.000 0.000 3.049


<r2> (average value of r2) Å2
<r2> 71.703
(<r2>)1/2 8.468