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

using model chemistry: PBE1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-203.936713
Energy at 298.15K-203.941376
HF Energy-203.936713
Nuclear repulsion energy108.930898
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 PBE1PBE/aug-cc-pVTZ
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' 3168 3046 7.00      
2 A' 3030 2914 43.60      
3 A' 2296 2207 578.65      
4 A' 1488 1431 22.20      
5 A' 1445 1390 2.16      
6 A' 1377 1324 133.14      
7 A' 1149 1104 11.84      
8 A' 953 916 19.16      
9 A' 692 665 8.83      
10 A' 251 242 6.16      
11 A" 3095 2976 24.06      
12 A" 1491 1433 8.68      
13 A" 1107 1065 0.36      
14 A" 608 585 6.45      
15 A" 111 107 0.56      

Unscaled Zero Point Vibrational Energy (zpe) 11129.8 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 10701.3 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 PBE1PBE/aug-cc-pVTZ
ABC
1.53247 0.18077 0.16682

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 -1.555 0.000
N2 0.677 -0.296 0.000
N3 0.000 0.719 0.000
N4 -0.521 1.718 0.000
H5 0.673 -2.354 0.000
H6 -0.690 -1.653 0.891
H7 -0.690 -1.653 -0.891

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46132.27503.30521.08651.09351.0935
N21.46131.22002.34382.05792.12292.1229
N32.27501.22001.12723.14542.62652.6265
N43.30522.34381.12724.24343.49163.4916
H51.08652.05793.14544.24341.77241.7724
H61.09352.12292.62653.49161.77241.7827
H71.09352.12292.62653.49161.77241.7827

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 115.798 N2 C1 H5 106.824
N2 C1 H6 111.580 N2 C1 H7 111.580
N2 N3 N4 173.833 H5 C1 H6 108.782
H5 C1 H7 108.782 H6 C1 H7 109.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.567      
2 N -0.681      
3 N 1.151      
4 N -0.735      
5 H 0.334      
6 H 0.249      
7 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.621 -2.188 0.000 2.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.053 1.740 0.000
y 1.740 -23.839 0.000
z 0.000 0.000 -23.266
Traceless
 xyz
x -1.501 1.740 0.000
y 1.740 0.320 0.000
z 0.000 0.000 1.181
Polar
3z2-r22.361
x2-y2-1.214
xy1.740
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.801 -1.249 0.000
y -1.249 8.223 0.000
z 0.000 0.000 4.038


<r2> (average value of r2) Å2
<r2> 73.571
(<r2>)1/2 8.577