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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-203.944978
Energy at 298.15K-203.949554
HF Energy-203.944978
Nuclear repulsion energy107.666640
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/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' 3081 3059 8.70      
2 A' 2946 2926 47.07      
3 A' 2187 2172 406.06      
4 A' 1442 1432 15.95      
5 A' 1397 1387 5.35      
6 A' 1318 1309 92.19      
7 A' 1107 1100 11.46      
8 A' 901 895 16.90      
9 A' 658 653 9.77      
10 A' 242 240 6.37      
11 A" 3005 2984 27.69      
12 A" 1443 1433 7.09      
13 A" 1067 1060 0.07      
14 A" 566 562 7.35      
15 A" 110 109 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 10734.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 10660.6 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/cc-pVTZ
ABC
1.55376 0.17510 0.16228

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.077 -1.578 0.000
N2 0.669 -0.310 0.000
N3 0.000 0.724 0.000
N4 -0.496 1.758 0.000
H5 0.666 -2.381 0.000
H6 -0.708 -1.678 0.897
H7 -0.708 -1.678 -0.897

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47132.30293.36201.09401.10121.1012
N21.47131.23122.37332.07092.13852.1385
N32.30291.23121.14703.17512.65992.6599
N43.36202.37331.14704.29873.55753.5575
H51.09402.07093.17514.29871.78511.7851
H61.10122.13852.65993.55751.78511.7939
H71.10122.13852.65993.55751.78511.7939

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 116.613 N2 C1 H5 106.735
N2 C1 H6 111.656 N2 C1 H7 111.656
N2 N3 N4 172.707 H5 C1 H6 108.810
H5 C1 H7 108.810 H6 C1 H7 109.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 N -0.203      
3 N 0.197      
4 N -0.128      
5 H 0.114      
6 H 0.095      
7 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.529 -2.312 0.000 2.372
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.673 1.729 0.000
y 1.729 -24.032 0.000
z 0.000 0.000 -23.176
Traceless
 xyz
x -1.069 1.729 0.000
y 1.729 -0.108 0.000
z 0.000 0.000 1.177
Polar
3z2-r22.353
x2-y2-0.641
xy1.729
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.240 -1.241 0.000
y -1.241 8.069 0.000
z 0.000 0.000 3.460


<r2> (average value of r2) Å2
<r2> 75.121
(<r2>)1/2 8.667