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

using model chemistry: mPW1PW91/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/cc-pVDZ
 hartrees
Energy at 0K-204.054085
Energy at 298.15K-204.058704
HF Energy-204.054085
Nuclear repulsion energy108.330078
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/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' 3194 3061 7.32      
2 A' 3040 2913 45.67      
3 A' 2320 2223 466.98      
4 A' 1473 1412 24.08      
5 A' 1436 1376 1.89      
6 A' 1385 1327 114.32      
7 A' 1143 1096 13.10      
8 A' 963 923 20.03      
9 A' 679 650 8.91      
10 A' 250 240 6.41      
11 A" 3116 2986 27.12      
12 A" 1472 1410 7.75      
13 A" 1095 1049 0.09      
14 A" 589 565 12.59      
15 A" 100 96 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 11126.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 10662.9 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/cc-pVDZ
ABC
1.52716 0.17875 0.16511

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.071 -1.560 0.000
N2 0.678 -0.304 0.000
N3 0.000 0.719 0.000
N4 -0.512 1.735 0.000
H5 0.668 -2.367 0.000
H6 -0.703 -1.662 0.897
H7 -0.703 -1.662 -0.897

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46202.27983.32351.09451.10211.1021
N21.46201.22722.36012.06312.13442.1344
N32.27981.22721.13713.15752.63962.6396
N43.32352.36011.13714.26783.51803.5180
H51.09452.06313.15754.26781.78381.7838
H61.10212.13442.63963.51801.78381.7937
H71.10212.13442.63963.51801.78381.7937

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 115.661 N2 C1 H5 106.723
N2 C1 H6 111.933 N2 C1 H7 111.933
N2 N3 N4 173.208 H5 C1 H6 108.598
H5 C1 H7 108.598 H6 C1 H7 108.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 N -0.311      
3 N 0.302      
4 N -0.200      
5 H 0.069      
6 H 0.060      
7 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.682 -2.116 0.000 2.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.418 1.704 0.000
y 1.704 -23.426 0.000
z 0.000 0.000 -22.815
Traceless
 xyz
x -1.298 1.704 0.000
y 1.704 0.191 0.000
z 0.000 0.000 1.107
Polar
3z2-r22.214
x2-y2-0.993
xy1.704
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.610 -1.291 0.000
y -1.291 7.241 0.000
z 0.000 0.000 2.812


<r2> (average value of r2) Å2
<r2> 73.880
(<r2>)1/2 8.595