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

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-204.085068
Energy at 298.15K-204.089707
HF Energy-204.085068
Nuclear repulsion energy108.715120
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 mPW1PW91/6-311G*
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' 3186 3041 13.09      
2 A' 3042 2903 52.11      
3 A' 2308 2202 511.72      
4 A' 1515 1446 22.32      
5 A' 1473 1405 4.99      
6 A' 1387 1324 119.31      
7 A' 1166 1113 11.17      
8 A' 956 912 20.01      
9 A' 680 649 9.69      
10 A' 250 239 6.71      
11 A" 3106 2965 38.03      
12 A" 1518 1449 9.40      
13 A" 1124 1073 0.12      
14 A" 588 562 12.40      
15 A" 110 105 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 11204.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 10693.3 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 mPW1PW91/6-311G*
ABC
1.54542 0.17953 0.16591

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.069 -1.559 0.000
N2 0.673 -0.301 0.000
N3 0.000 0.720 0.000
N4 -0.510 1.729 0.000
H5 0.667 -2.358 0.000
H6 -0.696 -1.660 0.891
H7 -0.696 -1.660 -0.891

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46122.27983.31721.08651.09391.0939
N21.46121.22262.34942.05742.12562.1256
N32.27981.22261.13073.14922.63502.6350
N43.31722.34941.13074.25293.50923.5092
H51.08652.05743.14924.25291.77141.7714
H61.09392.12562.63503.50921.77141.7817
H71.09392.12562.63503.50921.77141.7817

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 116.026 N2 C1 H5 106.794
N2 C1 H6 111.780 N2 C1 H7 111.780
N2 N3 N4 173.405 H5 C1 H6 108.664
H5 C1 H7 108.664 H6 C1 H7 109.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 N -0.284      
3 N 0.284      
4 N -0.183      
5 H 0.250      
6 H 0.235      
7 H 0.235      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.750 -2.212 0.000 2.335
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.790 1.783 0.000
y 1.783 -23.614 0.000
z 0.000 0.000 -23.042
Traceless
 xyz
x -1.462 1.783 0.000
y 1.783 0.303 0.000
z 0.000 0.000 1.160
Polar
3z2-r22.319
x2-y2-1.177
xy1.783
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.759 -1.363 0.000
y -1.363 7.305 0.000
z 0.000 0.000 2.906


<r2> (average value of r2) Å2
<r2> 73.737
(<r2>)1/2 8.587