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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-204.052695
Energy at 298.15K-204.057330
HF Energy-204.052695
Nuclear repulsion energy108.651270
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(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' 3187 3043 8.01      
2 A' 3045 2907 40.62      
3 A' 2310 2205 475.43      
4 A' 1496 1428 18.77      
5 A' 1454 1388 3.44      
6 A' 1379 1317 119.68      
7 A' 1154 1102 11.64      
8 A' 954 911 19.08      
9 A' 688 657 8.59      
10 A' 250 238 6.20      
11 A" 3117 2976 23.86      
12 A" 1497 1429 6.68      
13 A" 1112 1062 0.14      
14 A" 605 577 10.37      
15 A" 103 98 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 11175.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 10669.4 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(2df,p)
ABC
1.52943 0.17980 0.16596

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.068 -1.558 0.000
N2 0.678 -0.300 0.000
N3 0.000 0.719 0.000
N4 -0.516 1.726 0.000
H5 0.669 -2.358 0.000
H6 -0.696 -1.657 0.892
H7 -0.696 -1.657 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46312.27803.31451.08821.09491.0949
N21.46311.22362.35152.05872.12762.1276
N32.27801.22361.13173.14922.63172.6317
N43.31452.35151.13174.25293.50353.5035
H51.08822.05873.14924.25291.77481.7748
H61.09492.12762.63173.50351.77481.7831
H71.09492.12762.63173.50351.77481.7831

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 115.672 N2 C1 H5 106.670
N2 C1 H6 111.744 N2 C1 H7 111.744
N2 N3 N4 173.475 H5 C1 H6 108.772
H5 C1 H7 108.772 H6 C1 H7 109.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.365      
2 N -0.303      
3 N 0.446      
4 N -0.285      
5 H 0.178      
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
  -0.630 -2.151 0.000 2.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.334 1.664 0.000
y 1.664 -23.317 0.000
z 0.000 0.000 -22.772
Traceless
 xyz
x -1.290 1.664 0.000
y 1.664 0.237 0.000
z 0.000 0.000 1.054
Polar
3z2-r22.107
x2-y2-1.018
xy1.664
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.846 -1.224 0.000
y -1.224 7.292 0.000
z 0.000 0.000 3.134


<r2> (average value of r2) Å2
<r2> 73.502
(<r2>)1/2 8.573