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

using model chemistry: TPSSh/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-204.121304
Energy at 298.15K-204.125909
HF Energy-204.121304
Nuclear repulsion energy107.893509
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/6-31G(2df,p)
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' 3157 3047 11.28      
2 A' 3020 2915 43.33      
3 A' 2231 2153 414.65      
4 A' 1506 1453 12.05      
5 A' 1452 1401 10.10      
6 A' 1332 1285 114.56      
7 A' 1150 1109 11.82      
8 A' 917 885 17.61      
9 A' 669 645 9.14      
10 A' 245 236 6.06      
11 A" 3087 2979 29.92      
12 A" 1505 1453 4.79      
13 A" 1106 1067 0.30      
14 A" 581 561 8.35      
15 A" 110 106 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11032.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10646.7 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/6-31G(2df,p)
ABC
1.52073 0.17691 0.16342

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.080 -1.572 0.000
N2 0.680 -0.306 0.000
N3 0.000 0.722 0.000
N4 -0.503 1.746 0.000
H5 0.661 -2.371 0.000
H6 -0.707 -1.663 0.894
H7 -0.707 -1.663 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47592.29483.34471.08931.09591.0959
N21.47591.23242.36892.06422.13632.1363
N32.29481.23241.14143.16192.64342.6434
N43.34472.36891.14144.27793.53063.5306
H51.08932.06423.16194.27791.78061.7806
H61.09592.13632.64343.53061.78061.7881
H71.09592.13632.64343.53061.78061.7881

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 115.557 N2 C1 H5 106.180
N2 C1 H6 111.481 N2 C1 H7 111.481
N2 N3 N4 172.698 H5 C1 H6 109.142
H5 C1 H7 109.142 H6 C1 H7 109.327
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.348      
2 N -0.296      
3 N 0.432      
4 N -0.283      
5 H 0.173      
6 H 0.161      
7 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.610 -2.225 0.000 2.307
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 3.868 -1.204 0.000
y -1.204 7.460 0.000
z 0.000 0.000 3.163


<r2> (average value of r2) Å2
<r2> 74.369
(<r2>)1/2 8.624