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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-204.067743
Energy at 298.15K-204.072369
HF Energy-204.067743
Nuclear repulsion energy108.270838
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/aug-cc-pVDZ
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' 3190 3057 7.95      
2 A' 3042 2915 46.09      
3 A' 2294 2198 557.23      
4 A' 1473 1411 24.07      
5 A' 1432 1372 1.41      
6 A' 1372 1315 126.11      
7 A' 1143 1095 12.93      
8 A' 954 914 18.00      
9 A' 672 644 8.93      
10 A' 248 238 6.02      
11 A" 3118 2988 25.63      
12 A" 1473 1411 8.52      
13 A" 1096 1051 0.34      
14 A" 579 555 5.89      
15 A" 109 105 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 11096.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 10634.1 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 mPW1PW91/aug-cc-pVDZ
ABC
1.51989 0.17862 0.16491

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.070 -1.562 0.000
N2 0.680 -0.303 0.000
N3 0.000 0.720 0.000
N4 -0.517 1.733 0.000
H5 0.671 -2.365 0.000
H6 -0.698 -1.657 0.897
H7 -0.698 -1.657 -0.897

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46582.28363.32581.09201.09901.0990
N21.46581.22852.36202.06202.13032.1303
N32.28361.22851.13743.15712.63512.6351
N43.32582.36201.13744.26683.51183.5118
H51.09202.06203.15714.26681.78291.7829
H61.09902.13032.63513.51181.78291.7935
H71.09902.13032.63513.51181.78291.7935

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 115.610 N2 C1 H5 106.526
N2 C1 H6 111.516 N2 C1 H7 111.516
N2 N3 N4 173.422 H5 C1 H6 108.916
H5 C1 H7 108.916 H6 C1 H7 109.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.721      
2 N -0.498      
3 N 0.663      
4 N -0.562      
5 H -0.202      
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
  -0.646 -2.217 0.000 2.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.069 1.720 0.000
y 1.720 -23.808 0.000
z 0.000 0.000 -23.354
Traceless
 xyz
x -1.488 1.720 0.000
y 1.720 0.404 0.000
z 0.000 0.000 1.084
Polar
3z2-r22.168
x2-y2-1.261
xy1.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.775 -1.281 0.000
y -1.281 8.312 0.000
z 0.000 0.000 4.008


<r2> (average value of r2) Å2
<r2> 74.242
(<r2>)1/2 8.616