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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-202.716538
Energy at 298.15K-202.721107
HF Energy-202.716538
Nuclear repulsion energy106.681659
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 HSEh1PBE/3-21G
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' 3194 3077 6.71      
2 A' 3058 2946 31.43      
3 A' 2093 2016 316.59      
4 A' 1555 1498 18.51      
5 A' 1480 1425 11.44      
6 A' 1252 1206 95.27      
7 A' 1149 1107 11.57      
8 A' 851 820 7.21      
9 A' 661 636 12.58      
10 A' 250 241 7.63      
11 A" 3125 3010 24.50      
12 A" 1559 1502 11.46      
13 A" 1108 1068 0.47      
14 A" 537 517 8.76      
15 A" 114 110 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 10993.5 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 10590.0 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 HSEh1PBE/3-21G
ABC
1.51667 0.17209 0.15927

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.109 -1.592 0.000
N2 0.680 -0.324 0.000
N3 0.000 0.727 0.000
N4 -0.465 1.783 0.000
H5 0.624 -2.399 0.000
H6 -0.736 -1.677 0.894
H7 -0.736 -1.677 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.49372.32213.39451.08961.09591.0959
N21.49371.25162.39802.07572.15352.1535
N32.32211.25161.15403.18762.66912.6691
N43.39452.39801.15404.32163.58473.5847
H51.08962.07573.18764.32161.78071.7807
H61.09592.15352.66913.58471.78071.7888
H71.09592.15352.66913.58471.78071.7888

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 115.241 N2 C1 H5 105.868
N2 C1 H6 111.603 N2 C1 H7 111.603
N2 N3 N4 170.874 H5 C1 H6 109.130
H5 C1 H7 109.130 H6 C1 H7 109.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.480      
2 N -0.245      
3 N 0.032      
4 N -0.042      
5 H 0.259      
6 H 0.238      
7 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.000 -2.289 0.000 2.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.668 1.819 0.000
y 1.819 -23.058 0.000
z 0.000 0.000 -23.099
Traceless
 xyz
x -1.589 1.819 0.000
y 1.819 0.826 0.000
z 0.000 0.000 0.764
Polar
3z2-r21.528
x2-y2-1.610
xy1.819
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.064 -1.241 0.000
y -1.241 6.897 0.000
z 0.000 0.000 2.285


<r2> (average value of r2) Å2
<r2> 75.931
(<r2>)1/2 8.714