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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G**
 hartrees
Energy at 0K-203.874466
Energy at 298.15K-203.878997
HF Energy-203.874466
Nuclear repulsion energy107.057343
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 PBEPBEultrafine/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' 3106 3064 8.48      
2 A' 2964 2923 45.40      
3 A' 2209 2179 354.24      
4 A' 1457 1437 15.82      
5 A' 1411 1391 7.48      
6 A' 1329 1310 81.72      
7 A' 1112 1097 11.65      
8 A' 908 896 15.77      
9 A' 645 636 9.73      
10 A' 240 236 6.61      
11 A" 3031 2990 26.58      
12 A" 1456 1436 6.63      
13 A" 1072 1058 0.01      
14 A" 547 539 9.56      
15 A" 104 103 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 10795.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 10647.1 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 PBEPBEultrafine/6-31G**
ABC
1.55614 0.17282 0.16037

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.087 -1.585 0.000
N2 0.668 -0.320 0.000
N3 0.000 0.724 0.000
N4 -0.481 1.778 0.000
H5 0.656 -2.392 0.000
H6 -0.721 -1.686 0.899
H7 -0.721 -1.686 -0.899

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47312.31013.38511.09741.10451.1045
N21.47311.23922.39142.07182.14592.1459
N32.31011.23921.15823.18392.67162.6716
N43.38512.39141.15824.32153.58683.5868
H51.09742.07183.18394.32151.78951.7895
H61.10452.14592.67163.58681.78951.7977
H71.10452.14592.67163.58681.78951.7977

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 116.537 N2 C1 H5 106.493
N2 C1 H6 111.923 N2 C1 H7 111.923
N2 N3 N4 171.913 H5 C1 H6 108.722
H5 C1 H7 108.722 H6 C1 H7 108.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.236      
2 N -0.332      
3 N 0.373      
4 N -0.259      
5 H 0.159      
6 H 0.147      
7 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.646 -2.376 0.000 2.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.360 1.731 0.000
y 1.731 -23.644 0.000
z 0.000 0.000 -22.962
Traceless
 xyz
x -1.057 1.731 0.000
y 1.731 0.017 0.000
z 0.000 0.000 1.040
Polar
3z2-r22.081
x2-y2-0.716
xy1.731
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.644 -1.259 0.000
y -1.259 7.513 0.000
z 0.000 0.000 2.885


<r2> (average value of r2) Å2
<r2> 75.624
(<r2>)1/2 8.696