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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-204.029987
Energy at 298.15K-204.034594
HF Energy-204.029987
Nuclear repulsion energy108.054225
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 B3PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3174 3063 7.63      
2 A' 3021 2916 46.73      
3 A' 2295 2215 443.94      
4 A' 1465 1414 21.91      
5 A' 1427 1377 2.81      
6 A' 1373 1325 108.70      
7 A' 1136 1096 12.92      
8 A' 950 917 19.44      
9 A' 671 648 9.27      
10 A' 249 240 6.48      
11 A" 3096 2988 27.64      
12 A" 1463 1412 7.53      
13 A" 1088 1050 0.06      
14 A" 581 560 12.02      
15 A" 103 99 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 11045.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10659.1 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 B3PW91/cc-pVDZ
ABC
1.53541 0.17737 0.16403

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.074 -1.566 0.000
N2 0.675 -0.307 0.000
N3 0.000 0.721 0.000
N4 -0.504 1.744 0.000
H5 0.667 -2.373 0.000
H6 -0.708 -1.669 0.898
H7 -0.708 -1.669 -0.898

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46472.28743.33741.09621.10371.1037
N21.46471.22932.36572.06632.13822.1382
N32.28741.22931.14093.16492.64882.6488
N43.33742.36571.14094.28063.53493.5349
H51.09622.06633.16494.28061.78661.7866
H61.10372.13822.64883.53491.78661.7964
H71.10372.13822.64883.53491.78661.7964

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 115.948 N2 C1 H5 106.697
N2 C1 H6 111.943 N2 C1 H7 111.943
N2 N3 N4 172.933 H5 C1 H6 108.601
H5 C1 H7 108.601 H6 C1 H7 108.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 N -0.303      
3 N 0.297      
4 N -0.201      
5 H 0.069      
6 H 0.061      
7 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.664 -2.161 0.000 2.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.362 1.709 0.000
y 1.709 -23.479 0.000
z 0.000 0.000 -22.801
Traceless
 xyz
x -1.222 1.709 0.000
y 1.709 0.102 0.000
z 0.000 0.000 1.120
Polar
3z2-r22.240
x2-y2-0.883
xy1.709
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.612 -1.276 0.000
y -1.276 7.314 0.000
z 0.000 0.000 2.827


<r2> (average value of r2) Å2
<r2> 74.261
(<r2>)1/2 8.617