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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-203.874976
Energy at 298.15K-203.879614
HF Energy-203.874976
Nuclear repulsion energy108.647145
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/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' 3183 3046 7.35      
2 A' 3040 2909 39.73      
3 A' 2315 2216 472.69      
4 A' 1491 1426 20.28      
5 A' 1448 1386 2.24      
6 A' 1383 1323 116.62      
7 A' 1151 1101 11.71      
8 A' 958 917 19.10      
9 A' 690 660 8.40      
10 A' 249 238 6.21      
11 A" 3112 2978 22.82      
12 A" 1490 1426 6.84      
13 A" 1108 1061 0.11      
14 A" 606 580 10.35      
15 A" 104 100 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 11163.3 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 10683.3 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/6-31G(2df,p)
ABC
1.52532 0.17997 0.16607

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 -1.557 0.000
N2 0.679 -0.299 0.000
N3 0.000 0.719 0.000
N4 -0.519 1.725 0.000
H5 0.670 -2.359 0.000
H6 -0.696 -1.656 0.893
H7 -0.696 -1.656 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46222.27613.31261.08961.09641.0964
N21.46221.22352.35212.05962.12812.1281
N32.27611.22351.13233.14952.63052.6305
N43.31262.35211.13234.25343.50143.5014
H51.08962.05963.14954.25341.77681.7768
H61.09642.12812.63053.50141.77681.7852
H71.09642.12812.63053.50141.77681.7852

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 115.590 N2 C1 H5 106.720
N2 C1 H6 111.761 N2 C1 H7 111.761
N2 N3 N4 173.542 H5 C1 H6 108.746
H5 C1 H7 108.746 H6 C1 H7 109.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 N -0.299      
3 N 0.438      
4 N -0.280      
5 H 0.177      
6 H 0.164      
7 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.621 -2.144 0.000 2.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.386 1.661 0.000
y 1.661 -23.369 0.000
z 0.000 0.000 -22.824
Traceless
 xyz
x -1.290 1.661 0.000
y 1.661 0.236 0.000
z 0.000 0.000 1.054
Polar
3z2-r22.107
x2-y2-1.018
xy1.661
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.853 -1.225 0.000
y -1.225 7.288 0.000
z 0.000 0.000 3.142


<r2> (average value of r2) Å2
<r2> 73.503
(<r2>)1/2 8.573