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

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-204.181472
Energy at 298.15K-204.186105
HF Energy-204.181472
Nuclear repulsion energy108.180644
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 TPSSh/cc-pVTZ
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' 3144 3044 11.39      
2 A' 3011 2916 46.23      
3 A' 2225 2155 471.11      
4 A' 1504 1457 12.97      
5 A' 1451 1405 9.21      
6 A' 1329 1287 125.92      
7 A' 1149 1112 11.56      
8 A' 913 884 18.57      
9 A' 673 652 9.90      
10 A' 247 239 6.14      
11 A" 3071 2974 32.41      
12 A" 1506 1459 5.93      
13 A" 1105 1070 0.47      
14 A" 587 568 7.99      
15 A" 116 112 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 11016.3 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 10667.1 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 TPSSh/cc-pVTZ
ABC
1.52768 0.17772 0.16418

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.076 -1.570 0.000
N2 0.678 -0.302 0.000
N3 0.000 0.722 0.000
N4 -0.508 1.739 0.000
H5 0.665 -2.365 0.000
H6 -0.701 -1.663 0.892
H7 -0.701 -1.663 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47442.29343.33671.08661.09361.0936
N21.47441.22852.36042.06232.13232.1323
N32.29341.22851.13623.15782.64112.6411
N43.33672.36041.13624.26783.52193.5219
H51.08662.06233.15784.26781.77641.7764
H61.09362.13232.64113.52191.77641.7849
H71.09362.13232.64113.52191.77641.7849

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 115.796 N2 C1 H5 106.283
N2 C1 H6 111.408 N2 C1 H7 111.408
N2 N3 N4 173.055 H5 C1 H6 109.133
H5 C1 H7 109.133 H6 C1 H7 109.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.101      
2 N -0.248      
3 N 0.252      
4 N -0.156      
5 H 0.098      
6 H 0.077      
7 H 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.614 -2.246 0.000 2.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.185 -1.269 0.000
y -1.269 7.853 0.000
z 0.000 0.000 3.368


<r2> (average value of r2) Å2
<r2> 74.294
(<r2>)1/2 8.619