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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-203.859868
Energy at 298.15K-203.864491
HF Energy-203.859868
Nuclear repulsion energy108.335200
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 PBE1PBE/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' 3203 3053 8.78      
2 A' 3059 2915 42.97      
3 A' 2328 2218 478.02      
4 A' 1520 1449 19.39      
5 A' 1476 1406 5.49      
6 A' 1394 1329 114.92      
7 A' 1163 1108 11.44      
8 A' 962 917 19.23      
9 A' 679 647 9.14      
10 A' 248 237 6.68      
11 A" 3128 2981 27.26      
12 A" 1522 1451 7.82      
13 A" 1123 1070 0.03      
14 A" 590 562 13.32      
15 A" 104 99 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 11248.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 10721.2 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 PBE1PBE/6-31G**
ABC
1.52937 0.17866 0.16500

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.070 -1.561 0.000
N2 0.678 -0.304 0.000
N3 0.000 0.719 0.000
N4 -0.513 1.735 0.000
H5 0.668 -2.362 0.000
H6 -0.699 -1.661 0.893
H7 -0.699 -1.661 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46262.28093.32541.09011.09701.0970
N21.46261.22752.36182.05822.13002.1300
N32.28091.22751.13843.15312.63682.6368
N43.32542.36181.13844.26443.51673.5167
H51.09012.05823.15314.26441.77751.7775
H61.09702.13002.63683.51671.77751.7862
H71.09702.13002.63683.51671.77751.7862

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 115.687 N2 C1 H5 106.562
N2 C1 H6 111.851 N2 C1 H7 111.851
N2 N3 N4 173.279 H5 C1 H6 108.732
H5 C1 H7 108.732 H6 C1 H7 109.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.386      
2 N -0.355      
3 N 0.396      
4 N -0.258      
5 H 0.213      
6 H 0.195      
7 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.747 -2.228 0.000 2.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.615 1.754 0.000
y 1.754 -23.418 0.000
z 0.000 0.000 -22.975
Traceless
 xyz
x -1.418 1.754 0.000
y 1.754 0.377 0.000
z 0.000 0.000 1.041
Polar
3z2-r22.083
x2-y2-1.197
xy1.754
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.605 -1.342 0.000
y -1.342 7.121 0.000
z 0.000 0.000 2.796


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