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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-203.492065
Energy at 298.15K-203.496704
HF Energy-202.864371
Nuclear repulsion energy108.154164
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3233 3035 9.03      
2 A' 3098 2907 35.31      
3 A' 2366 2221 544.11      
4 A' 1554 1459 15.06      
5 A' 1508 1416 9.55      
6 A' 1361 1278 143.65      
7 A' 1186 1113 9.12      
8 A' 973 913 16.84      
9 A' 688 646 5.44      
10 A' 253 237 5.35      
11 A" 3168 2973 27.23      
12 A" 1554 1459 7.18      
13 A" 1143 1073 0.49      
14 A" 591 555 13.72      
15 A" 107 100 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 11391.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 10692.0 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 MP3/6-31G*
ABC
1.41169 0.18183 0.16619

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 -1.548 0.000
N2 0.717 -0.295 0.000
N3 0.000 0.719 0.000
N4 -0.559 1.707 0.000
H5 0.664 -2.357 0.000
H6 -0.692 -1.633 0.893
H7 -0.692 -1.633 -0.893

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47612.26733.29161.08891.09521.0952
N21.47611.24202.37392.06272.13872.1387
N32.26731.24201.13503.14692.60952.6095
N43.29162.37391.13504.24383.45993.4599
H51.08892.06273.14694.24381.77781.7778
H61.09522.13872.60953.45991.77781.7866
H71.09522.13872.60953.45991.77781.7866

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 112.775 N2 C1 H5 106.078
N2 C1 H6 111.705 N2 C1 H7 111.705
N2 N3 N4 174.236 H5 C1 H6 108.973
H5 C1 H7 108.973 H6 C1 H7 109.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability