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

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-202.193668
Energy at 298.15K-202.198211
HF Energy-201.675834
Nuclear repulsion energy103.972259
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 MP4=FULL/3-21G
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' 3147 3080        
2 A' 3032 2967        
3 A' 2030 1987        
4 A' 1573 1540        
5 A' 1478 1447        
6 A' 1160 1136        
7 A' 1111 1087        
8 A' 764 748        
9 A' 629 615        
10 A' 231 226        
11 A" 3099 3033        
12 A" 1568 1534        
13 A" 1119 1095        
14 A" 485 475        
15 A" 172 168        

Unscaled Zero Point Vibrational Energy (zpe) 10798.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 10569.7 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 MP4=FULL/3-21G
ABC
1.54531 0.16084 0.14990

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.169 -1.643 0.000
N2 0.666 -0.366 0.000
N3 0.000 0.742 0.000
N4 -0.374 1.871 0.000
H5 0.560 -2.459 0.000
H6 -0.796 -1.707 0.899
H7 -0.796 -1.707 -0.899

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.52612.39073.52071.09371.09811.0981
N21.52611.29182.46672.09582.17792.1779
N32.39071.29181.19013.24882.72682.7268
N43.52072.46671.19014.42973.71343.7134
H51.09372.09583.24884.42971.79241.7924
H61.09812.17792.72683.71341.79241.7988
H71.09812.17792.72683.71341.79241.7988

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 115.829 N2 C1 H5 105.056
N2 C1 H6 111.128 N2 C1 H7 111.128
N2 N3 N4 167.283 H5 C1 H6 109.718
H5 C1 H7 109.718 H6 C1 H7 109.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability