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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-203.785834
Energy at 298.15K-203.780448
HF Energy-202.868453
Nuclear repulsion energy109.813766
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 CBS-Q
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' 3325 3325 19.22      
2 A' 3181 3181 50.81      
3 A' 2478 2478 759.06      
4 A' 1630 1630 16.11      
5 A' 1589 1589 12.07      
6 A' 1388 1388 310.14      
7 A' 1264 1264 11.95      
8 A' 1014 1014 28.78      
9 A' 733 733 8.60      
10 A' 274 274 5.03      
11 A" 3244 3244 50.40      
12 A" 1633 1633 5.41      
13 A" 1216 1216 1.78      
14 A" 658 658 23.70      
15 A" 115 115 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 11870.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11870.4 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 CBS-Q
ABC
1.50137 0.17496 0.16157

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.044 -1.527 0.000
N2 0.709 -0.271 0.000
N3 0.000 0.719 0.000
N4 -0.581 1.656 0.000
H5 0.697 -2.314 0.000
H6 -0.667 -1.625 0.886
H7 -0.667 -1.625 -0.886

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46382.24693.22791.08061.08781.0878
N21.46381.21832.31892.04302.12332.1233
N32.24691.21831.10193.11282.59312.5931
N43.22792.31891.10194.17073.39923.3992
H51.08062.04303.11284.17071.76631.7663
H61.08782.12332.59313.39921.76631.7728
H71.08782.12332.59313.39921.76631.7728

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 113.491 N2 C1 H5 105.842
N2 C1 H6 111.793 N2 C1 H7 111.793
N2 N3 N4 176.218 H5 C1 H6 109.084
H5 C1 H7 109.084 H6 C1 H7 109.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability