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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-202.876079
Energy at 298.15K-202.880641
HF Energy-202.876079
Nuclear repulsion energy106.650325
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 mPW1PW91/3-21G*
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' 3199 3038 6.80      
2 A' 3065 2910 30.83      
3 A' 2086 1981 317.25      
4 A' 1559 1481 18.21      
5 A' 1483 1408 11.86      
6 A' 1245 1182 97.64      
7 A' 1152 1094 10.72      
8 A' 849 806 7.09      
9 A' 659 626 12.66      
10 A' 251 238 7.58      
11 A" 3131 2974 24.58      
12 A" 1564 1485 11.36      
13 A" 1110 1054 0.44      
14 A" 535 508 8.67      
15 A" 115 109 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 11001.2 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 10446.8 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 mPW1PW91/3-21G*
ABC
1.50954 0.17214 0.15923

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.111 -1.593 0.000
N2 0.682 -0.324 0.000
N3 0.000 0.727 0.000
N4 -0.465 1.783 0.000
H5 0.621 -2.399 0.000
H6 -0.737 -1.675 0.894
H7 -0.737 -1.675 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.49592.32253.39411.08861.09471.0947
N21.49591.25312.39912.07542.15382.1538
N32.32251.25311.15373.18692.66722.6672
N43.39412.39911.15374.32033.58223.5822
H51.08862.07543.18694.32031.77961.7796
H61.09472.15382.66723.58221.77961.7879
H71.09472.15382.66723.58221.77961.7879

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 115.027 N2 C1 H5 105.764
N2 C1 H6 111.545 N2 C1 H7 111.545
N2 N3 N4 170.805 H5 C1 H6 109.195
H5 C1 H7 109.195 H6 C1 H7 109.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.481      
2 N -0.248      
3 N 0.034      
4 N -0.043      
5 H 0.260      
6 H 0.239      
7 H 0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.017 -2.290 0.000 2.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.654 1.819 0.000
y 1.819 -22.987 0.000
z 0.000 0.000 -23.078
Traceless
 xyz
x -1.622 1.819 0.000
y 1.819 0.879 0.000
z 0.000 0.000 0.743
Polar
3z2-r21.486
x2-y2-1.667
xy1.819
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.065 -1.244 0.000
y -1.244 6.897 0.000
z 0.000 0.000 2.280


<r2> (average value of r2) Å2
<r2> 75.912
(<r2>)1/2 8.713