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

using model chemistry: PBEPBE/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 PBEPBE/aug-cc-pVDZ
 hartrees
Energy at 0K-203.900821
Energy at 298.15K-203.905348
HF Energy-203.900821
Nuclear repulsion energy107.008086
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 PBEPBE/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' 3098 3079 6.98      
2 A' 2951 2933 48.03      
3 A' 2179 2165 428.23      
4 A' 1417 1408 19.34      
5 A' 1375 1367 2.53      
6 A' 1315 1307 88.54      
7 A' 1097 1090 13.14      
8 A' 907 902 14.80      
9 A' 636 633 9.91      
10 A' 238 236 6.16      
11 A" 3023 3004 25.07      
12 A" 1415 1407 7.91      
13 A" 1052 1046 0.16      
14 A" 532 529 3.77      
15 A" 108 107 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 10671.3 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 10606.2 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 PBEPBE/aug-cc-pVDZ
ABC
1.54809 0.17287 0.16038

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.086 -1.585 0.000
N2 0.669 -0.319 0.000
N3 0.000 0.724 0.000
N4 -0.485 1.776 0.000
H5 0.661 -2.394 0.000
H6 -0.720 -1.680 0.904
H7 -0.720 -1.680 -0.904

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47432.31113.38461.10091.10811.1081
N21.47431.23992.39202.07452.14482.1448
N32.31111.23991.15783.18742.66802.6680
N43.38462.39201.15784.32413.58033.5803
H51.10092.07453.18744.32411.79801.7980
H61.10812.14482.66803.58031.79801.8082
H71.10812.14482.66803.58031.79801.8082

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 116.487 N2 C1 H5 106.428
N2 C1 H6 111.521 N2 C1 H7 111.521
N2 N3 N4 172.057 H5 C1 H6 108.963
H5 C1 H7 108.963 H6 C1 H7 109.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.868      
2 N -0.440      
3 N 0.723      
4 N -0.629      
5 H -0.269      
6 H -0.126      
7 H -0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.552 -2.379 0.000 2.442
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.090 1.719 0.000
y 1.719 -24.322 0.000
z 0.000 0.000 -23.571
Traceless
 xyz
x -1.144 1.719 0.000
y 1.719 0.008 0.000
z 0.000 0.000 1.135
Polar
3z2-r22.270
x2-y2-0.768
xy1.719
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.935 -1.234 0.000
y -1.234 8.861 0.000
z 0.000 0.000 4.204


<r2> (average value of r2) Å2
<r2> 76.045
(<r2>)1/2 8.720