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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-202.856070
Energy at 298.15K-202.860623
HF Energy-202.856070
Nuclear repulsion energy106.383102
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 B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3179 3056 7.49      
2 A' 3047 2928 32.07      
3 A' 2062 1982 299.61      
4 A' 1551 1491 17.65      
5 A' 1474 1417 12.36      
6 A' 1234 1186 92.72      
7 A' 1144 1099 10.15      
8 A' 838 806 6.76      
9 A' 653 627 12.82      
10 A' 249 239 7.58      
11 A" 3112 2991 25.78      
12 A" 1555 1494 10.89      
13 A" 1103 1060 0.50      
14 A" 528 507 8.13      
15 A" 116 112 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 10921.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 10497.8 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 B3PW91/3-21G
ABC
1.51551 0.17092 0.15825

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.114 -1.598 0.000
N2 0.680 -0.327 0.000
N3 0.000 0.729 0.000
N4 -0.458 1.792 0.000
H5 0.619 -2.405 0.000
H6 -0.742 -1.681 0.895
H7 -0.742 -1.681 -0.895

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.49862.32933.40721.09031.09631.0963
N21.49861.25532.40482.07882.15742.1574
N32.32931.25531.15783.19392.67532.6753
N43.40722.40481.15784.33273.59753.5975
H51.09032.07883.19394.33271.78231.7823
H61.09632.15742.67533.59751.78231.7906
H71.09632.15742.67533.59751.78231.7906

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 115.239 N2 C1 H5 105.749
N2 C1 H6 111.547 N2 C1 H7 111.547
N2 N3 N4 170.529 H5 C1 H6 109.198
H5 C1 H7 109.198 H6 C1 H7 109.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.476      
2 N -0.242      
3 N 0.034      
4 N -0.047      
5 H 0.257      
6 H 0.237      
7 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.988 -2.326 0.000 2.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.582 1.812 0.000
y 1.812 -23.027 0.000
z 0.000 0.000 -23.058
Traceless
 xyz
x -1.540 1.812 0.000
y 1.812 0.793 0.000
z 0.000 0.000 0.747
Polar
3z2-r21.493
x2-y2-1.555
xy1.812
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.068 -1.226 0.000
y -1.226 6.954 0.000
z 0.000 0.000 2.296


<r2> (average value of r2) Å2
<r2> 76.272
(<r2>)1/2 8.733