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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-204.106069
Energy at 298.15K-204.110653
HF Energy-204.106069
Nuclear repulsion energy107.575797
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 TPSSh/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' 3181 3052 13.12      
2 A' 3042 2918 46.75      
3 A' 2242 2151 417.53      
4 A' 1534 1471 12.45      
5 A' 1478 1418 13.84      
6 A' 1340 1286 111.63      
7 A' 1160 1113 11.62      
8 A' 921 883 17.79      
9 A' 660 633 10.03      
10 A' 245 235 6.46      
11 A" 3106 2980 35.22      
12 A" 1535 1473 5.28      
13 A" 1119 1073 0.18      
14 A" 567 544 10.89      
15 A" 110 106 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 11118.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 10667.5 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 TPSSh/6-31G*
ABC
1.52370 0.17563 0.16237

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.084 -1.576 0.000
N2 0.679 -0.312 0.000
N3 0.000 0.722 0.000
N4 -0.498 1.756 0.000
H5 0.658 -2.374 0.000
H6 -0.711 -1.668 0.895
H7 -0.711 -1.668 -0.895

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47642.29953.35771.08961.09651.0965
N21.47641.23662.37912.06302.13802.1380
N32.29951.23661.14773.16572.64902.6490
N43.35772.37911.14774.28923.54523.5452
H51.08962.06303.16574.28921.78131.7813
H61.09652.13802.64903.54521.78131.7891
H71.09652.13802.64903.54521.78131.7891

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 115.620 N2 C1 H5 106.040
N2 C1 H6 111.543 N2 C1 H7 111.543
N2 N3 N4 172.428 H5 C1 H6 109.140
H5 C1 H7 109.140 H6 C1 H7 109.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 N -0.356      
3 N 0.391      
4 N -0.261      
5 H 0.200      
6 H 0.184      
7 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.730 -2.319 0.000 2.431
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.615 -1.318 0.000
y -1.318 7.292 0.000
z 0.000 0.000 2.815


<r2> (average value of r2) Å2
<r2> 74.827
(<r2>)1/2 8.650