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

using model chemistry: MP2=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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-202.161263
Energy at 298.15K-202.165830
HF Energy-201.679812
Nuclear repulsion energy104.528338
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/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' 3210 3043 8.40      
2 A' 3084 2923 31.03      
3 A' 2303 2184 109.34      
4 A' 1599 1516 13.85      
5 A' 1506 1428 18.73      
6 A' 1175 1114 77.40      
7 A' 1131 1072 41.19      
8 A' 781 740 5.68      
9 A' 659 624 10.14      
10 A' 226 214 10.74      
11 A" 3152 2988 26.86      
12 A" 1593 1510 6.80      
13 A" 1135 1076 0.01      
14 A" 483 458 4.56      
15 A" 178 169 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 11107.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 10529.8 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/3-21G*
ABC
1.51666 0.16352 0.15191

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.155 -1.631 0.000
N2 0.676 -0.356 0.000
N3 0.000 0.740 0.000
N4 -0.403 1.848 0.000
H5 0.576 -2.439 0.000
H6 -0.780 -1.702 0.895
H7 -0.780 -1.702 -0.895

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.52262.37663.48841.08911.09441.0944
N21.52261.28782.45412.08572.17642.1764
N32.37661.28781.17903.23092.71602.7160
N43.48842.45411.17904.39753.68113.6811
H51.08912.08573.23094.39751.78391.7839
H61.09442.17642.71603.68111.78391.7909
H71.09442.17642.71603.68111.78391.7909

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 115.227 N2 C1 H5 104.774
N2 C1 H6 111.482 N2 C1 H7 111.482
N2 N3 N4 168.308 H5 C1 H6 109.578
H5 C1 H7 109.578 H6 C1 H7 109.820
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability