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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-204.037533
Energy at 298.15K-204.042147
HF Energy-204.037533
Nuclear repulsion energy108.335621
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 mPW1PW91/6-31G*
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' 3208 3042 9.50      
2 A' 3064 2906 43.75      
3 A' 2322 2202 480.50      
4 A' 1526 1447 18.23      
5 A' 1481 1404 6.86      
6 A' 1390 1318 117.31      
7 A' 1166 1106 11.32      
8 A' 958 909 19.24      
9 A' 678 643 9.33      
10 A' 249 236 6.67      
11 A" 3133 2971 28.41      
12 A" 1528 1449 7.65      
13 A" 1127 1068 0.05      
14 A" 589 559 13.37      
15 A" 103 98 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 11260.5 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 10678.3 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 mPW1PW91/6-31G*
ABC
1.53168 0.17853 0.16491

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.072 -1.562 0.000
N2 0.677 -0.304 0.000
N3 0.000 0.720 0.000
N4 -0.512 1.736 0.000
H5 0.667 -2.362 0.000
H6 -0.699 -1.662 0.892
H7 -0.699 -1.662 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46372.28253.32691.08871.09561.0956
N21.46371.22772.36142.05752.12952.1295
N32.28251.22771.13783.15272.63742.6374
N43.32692.36141.13784.26383.51783.5178
H51.08872.05753.15274.26381.77571.7757
H61.09562.12952.63743.51781.77571.7843
H71.09562.12952.63743.51781.77571.7843

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 115.730 N2 C1 H5 106.510
N2 C1 H6 111.818 N2 C1 H7 111.818
N2 N3 N4 173.228 H5 C1 H6 108.770
H5 C1 H7 108.770 H6 C1 H7 109.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 N -0.361      
3 N 0.406      
4 N -0.265      
5 H 0.212      
6 H 0.194      
7 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.756 -2.239 0.000 2.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.570 1.760 0.000
y 1.760 -23.367 0.000
z 0.000 0.000 -22.926
Traceless
 xyz
x -1.423 1.760 0.000
y 1.760 0.381 0.000
z 0.000 0.000 1.042
Polar
3z2-r22.084
x2-y2-1.203
xy1.760
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.597 -1.342 0.000
y -1.342 7.121 0.000
z 0.000 0.000 2.788


<r2> (average value of r2) Å2
<r2> 73.946
(<r2>)1/2 8.599