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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-203.214336
Energy at 298.15K-203.218850
HF Energy-202.728796
Nuclear repulsion energy104.541689
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 MP2=FULL/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' 3211 3051 7.73      
2 A' 3063 2910 42.54      
3 A' 2432 2310 159.66      
4 A' 1569 1491 16.85      
5 A' 1508 1432 11.14      
6 A' 1234 1173 140.49      
7 A' 1165 1107 9.40      
8 A' 808 768 8.45      
9 A' 629 598 17.32      
10 A' 223 211 15.28      
11 A" 3144 2987 30.68      
12 A" 1557 1479 7.61      
13 A" 1148 1091 0.29      
14 A" 427 405 4.40      
15 A" 176 167 2.44      

Unscaled Zero Point Vibrational Energy (zpe) 11146.8 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 10590.6 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 MP2=FULL/6-31G
ABC
1.73320 0.15854 0.14944

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.504 -0.714 0.000
N2 0.000 -0.714 0.000
N3 0.643 0.389 0.000
N4 1.447 1.254 0.000
H5 -1.783 -1.769 0.000
H6 -1.908 -0.228 0.898
H7 -1.908 -0.228 -0.898

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.50432.41393.54671.09151.09811.0981
N21.50431.27672.44222.07192.16422.1642
N32.41391.27671.18043.24712.77402.7740
N43.54672.44221.18044.42363.77583.7758
H51.09152.07193.24714.42361.78821.7882
H61.09812.16422.77403.77581.78821.7961
H71.09812.16422.77403.77581.78821.7961

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 120.233 N2 C1 H5 104.795
N2 C1 H6 111.582 N2 C1 H7 111.582
N2 N3 N4 167.315 H5 C1 H6 109.508
H5 C1 H7 109.508 H6 C1 H7 109.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability