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

using model chemistry: MP3=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 MP3=FULL/3-21G*
 hartrees
Energy at 0K-202.132764
Energy at 298.15K-202.137294
HF Energy-201.687929
Nuclear repulsion energy106.057559
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=FULL/3-21G*
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' 3189 3189 9.77      
2 A' 3070 3070 27.24      
3 A' 2125 2125 391.03      
4 A' 1589 1589 13.67      
5 A' 1505 1505 16.26      
6 A' 1184 1184 120.98      
7 A' 1151 1151 14.13      
8 A' 835 835 7.73      
9 A' 654 654 7.46      
10 A' 248 248 5.26      
11 A" 3127 3127 29.79      
12 A" 1587 1587 7.46      
13 A" 1120 1120 0.06      
14 A" 498 498 9.80      
15 A" 120 120 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 11000.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11000.1 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=FULL/3-21G*
ABC
1.38344 0.17338 0.15876

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.117 -1.589 0.000
N2 0.723 -0.320 0.000
N3 0.000 0.734 0.000
N4 -0.496 1.766 0.000
H5 0.605 -2.406 0.000
H6 -0.745 -1.659 0.895
H7 -0.745 -1.659 -0.895

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.52192.32613.37681.09031.09591.0959
N21.52191.27792.41622.08932.17892.1789
N32.32611.27791.14543.19782.66102.6610
N43.37682.41621.14544.31523.54873.5487
H51.09032.08933.19784.31521.78421.7842
H61.09592.17892.66103.54871.78421.7910
H71.09592.17892.66103.54871.78421.7910

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 112.071 N2 C1 H5 105.029
N2 C1 H6 111.650 N2 C1 H7 111.650
N2 N3 N4 171.230 H5 C1 H6 109.397
H5 C1 H7 109.397 H6 C1 H7 109.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability