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

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 CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-204.041268
Energy at 298.15K-204.045883
HF Energy-204.041268
Nuclear repulsion energy108.335959
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 A' 3201 3046 8.79      
2 A' 3055 2907 43.18      
3 A' 2322 2209 481.57      
4 A' 1509 1436 19.04      
5 A' 1466 1395 5.32      
6 A' 1388 1320 116.95      
7 A' 1158 1102 11.68      
8 A' 956 910 19.17      
9 A' 677 645 9.18      
10 A' 249 237 6.64      
11 A" 3128 2976 27.17      
12 A" 1511 1438 7.48      
13 A" 1117 1063 0.04      
14 A" 589 560 13.24      
15 A" 102 97 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 11213.9 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 10670.0 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
1.53275 0.17849 0.16488

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.072 -1.562 0.000
N2 0.677 -0.304 0.000
N3 0.000 0.720 0.000
N4 -0.511 1.736 0.000
H5 0.665 -2.362 0.000
H6 -0.699 -1.663 0.891
H7 -0.699 -1.663 -0.891

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46382.28283.32741.08791.09481.0948
N21.46381.22772.36142.05792.12972.1297
N32.28281.22771.13783.15292.63822.6382
N43.32742.36141.13784.26403.51903.5190
H51.08792.05793.15294.26401.77381.7738
H61.09482.12972.63823.51901.77381.7826
H71.09482.12972.63823.51901.77381.7826

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 115.743 N2 C1 H5 106.576
N2 C1 H6 111.871 N2 C1 H7 111.871
N2 N3 N4 173.214 H5 C1 H6 108.705
H5 C1 H7 108.705 H6 C1 H7 108.998
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 -0.250      
2 N -0.374      
3 N 0.408      
4 N -0.265      
5 H 0.171      
6 H 0.156      
7 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.758 -2.246 0.000 2.370
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.565 1.768 0.000
y 1.768 -23.341 0.000
z 0.000 0.000 -22.923
Traceless
 xyz
x -1.432 1.768 0.000
y 1.768 0.403 0.000
z 0.000 0.000 1.030
Polar
3z2-r22.059
x2-y2-1.223
xy1.768
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.626 -1.337 0.000
y -1.337 7.174 0.000
z 0.000 0.000 2.820


<r2> (average value of r2) Å2
<r2> 73.952
(<r2>)1/2 8.600