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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-203.509903
Energy at 298.15K-203.514518
HF Energy-202.861490
Nuclear repulsion energy107.534600
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 QCISD/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' 3193 3040 11.53      
2 A' 3062 2916 38.56      
3 A' 2207 2102 456.38      
4 A' 1543 1469 13.07      
5 A' 1494 1423 14.75      
6 A' 1328 1265 128.42      
7 A' 1177 1120 12.75      
8 A' 954 908 15.58      
9 A' 663 632 7.64      
10 A' 249 237 6.13      
11 A" 3131 2982 29.31      
12 A" 1543 1469 6.42      
13 A" 1137 1082 0.51      
14 A" 576 548 11.30      
15 A" 113 108 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 11184.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 10650.7 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 QCISD/6-31G*
ABC
1.44642 0.17816 0.16360

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.074 -1.561 0.000
N2 0.705 -0.308 0.000
N3 0.000 0.720 0.000
N4 -0.534 1.735 0.000
H5 0.656 -2.373 0.000
H6 -0.704 -1.646 0.895
H7 -0.704 -1.646 -0.895

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47612.28263.32851.09171.09771.0977
N21.47611.24672.38982.06602.13962.1396
N32.28261.24671.14733.16212.62602.6260
N43.32852.38981.14734.27743.50213.5021
H51.09172.06603.16214.27741.78251.7825
H61.09772.13962.62603.50211.78251.7906
H71.09772.13962.62603.50211.78251.7906

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 113.665 N2 C1 H5 106.176
N2 C1 H6 111.621 N2 C1 H7 111.621
N2 N3 N4 173.304 H5 C1 H6 109.010
H5 C1 H7 109.010 H6 C1 H7 109.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability