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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-203.870788
Energy at 298.15K-203.875316
HF Energy-203.870788
Nuclear repulsion energy107.054231
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 PBEPBEultrafine/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' 3109 3057 9.29      
2 A' 2969 2920 46.35      
3 A' 2209 2173 353.69      
4 A' 1473 1449 15.69      
5 A' 1425 1401 8.71      
6 A' 1331 1309 81.58      
7 A' 1121 1102 11.26      
8 A' 910 895 15.88      
9 A' 645 634 9.88      
10 A' 239 236 6.64      
11 A" 3032 2982 28.00      
12 A" 1474 1449 6.92      
13 A" 1082 1064 0.01      
14 A" 547 538 9.66      
15 A" 105 103 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 10834.8 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 10656.0 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 PBEPBEultrafine/6-31G*
ABC
1.55522 0.17285 0.16040

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.087 -1.584 0.000
N2 0.668 -0.320 0.000
N3 0.000 0.724 0.000
N4 -0.481 1.777 0.000
H5 0.658 -2.391 0.000
H6 -0.721 -1.685 0.900
H7 -0.721 -1.685 -0.900

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47292.30993.38481.09841.10551.1055
N21.47291.23912.39142.07142.14582.1458
N32.30991.23911.15823.18382.67102.6710
N43.38482.39141.15824.32153.58583.5858
H51.09842.07143.18384.32151.79191.7919
H61.10552.14582.67103.58581.79191.7999
H71.10552.14582.67103.58581.79191.7999

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 116.537 N2 C1 H5 106.426
N2 C1 H6 111.867 N2 C1 H7 111.867
N2 N3 N4 171.930 H5 C1 H6 108.789
H5 C1 H7 108.789 H6 C1 H7 108.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.362      
2 N -0.318      
3 N 0.371      
4 N -0.258      
5 H 0.198      
6 H 0.184      
7 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.644 -2.373 0.000 2.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.363 1.722 0.000
y 1.722 -23.669 0.000
z 0.000 0.000 -22.961
Traceless
 xyz
x -1.048 1.722 0.000
y 1.722 -0.007 0.000
z 0.000 0.000 1.055
Polar
3z2-r22.110
x2-y2-0.694
xy1.722
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.616 -1.264 0.000
y -1.264 7.462 0.000
z 0.000 0.000 2.854


<r2> (average value of r2) Å2
<r2> 75.622
(<r2>)1/2 8.696