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

using model chemistry: PBE1PBE/3-21G

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/3-21G
 hartrees
Energy at 0K-202.697951
Energy at 298.15K-202.702520
HF Energy-202.697951
Nuclear repulsion energy106.636652
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/3-21G
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' 3193 3067 6.44      
2 A' 3058 2937 30.63      
3 A' 2090 2007 316.67      
4 A' 1555 1493 18.52      
5 A' 1478 1420 11.37      
6 A' 1249 1199 95.20      
7 A' 1149 1103 11.59      
8 A' 853 819 7.03      
9 A' 661 635 12.35      
10 A' 250 240 7.59      
11 A" 3125 3001 23.99      
12 A" 1558 1496 11.50      
13 A" 1107 1063 0.48      
14 A" 536 515 8.61      
15 A" 115 110 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 10987.4 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 10552.3 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 PBE1PBE/3-21G
ABC
1.50661 0.17223 0.15928

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.109 -1.592 0.000
N2 0.683 -0.324 0.000
N3 0.000 0.727 0.000
N4 -0.467 1.782 0.000
H5 0.622 -2.399 0.000
H6 -0.737 -1.675 0.895
H7 -0.737 -1.675 -0.895

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.49492.32103.39291.09001.09621.0962
N21.49491.25312.39992.07632.15452.1545
N32.32101.25311.15443.18752.66692.6669
N43.39292.39991.15444.32143.58143.5814
H51.09002.07633.18754.32141.78151.7815
H61.09622.15452.66693.58141.78151.7897
H71.09622.15452.66693.58141.78151.7897

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 114.976 N2 C1 H5 105.816
N2 C1 H6 111.584 N2 C1 H7 111.584
N2 N3 N4 170.863 H5 C1 H6 109.155
H5 C1 H7 109.155 H6 C1 H7 109.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.485      
2 N -0.246      
3 N 0.031      
4 N -0.041      
5 H 0.261      
6 H 0.240      
7 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.011 -2.276 0.000 2.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.703 1.813 0.000
y 1.813 -23.030 0.000
z 0.000 0.000 -23.128
Traceless
 xyz
x -1.624 1.813 0.000
y 1.813 0.885 0.000
z 0.000 0.000 0.739
Polar
3z2-r21.478
x2-y2-1.673
xy1.813
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.076 -1.249 0.000
y -1.249 6.902 0.000
z 0.000 0.000 2.288


<r2> (average value of r2) Å2
<r2> 75.929
(<r2>)1/2 8.714