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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-200.553368
Energy at 298.15K-200.557738
HF Energy-200.238739
Nuclear repulsion energy102.001268
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/STO-3G
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' 3546 3152 0.51      
2 A' 3338 2967 5.51      
3 A' 2880 2560 12.11      
4 A' 1704 1515 6.86      
5 A' 1589 1412 25.27      
6 A' 1222 1086 12.47      
7 A' 1158 1029 47.20      
8 A' 912 810 2.89      
9 A' 661 587 0.24      
10 A' 218 193 5.09      
11 A" 3505 3116 3.86      
12 A" 1698 1509 3.09      
13 A" 1166 1036 1.54      
14 A" 416 370 3.00      
15 A" 194 173 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 12102.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 10757.8 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/STO-3G
ABC
1.26344 0.16308 0.14863

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.202 -1.601 0.000
N2 0.768 -0.407 0.000
N3 0.000 0.727 0.000
N4 -0.416 1.873 0.000
H5 0.441 -2.500 0.000
H6 -0.847 -1.623 0.903
H7 -0.847 -1.623 -0.903

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.53862.33683.48031.10561.10991.1099
N21.53861.36992.56902.11832.21422.2142
N32.33681.36991.21883.25712.65622.6562
N43.48032.56901.21884.45593.63623.6362
H51.10562.11833.25714.45591.80121.8012
H61.10992.21422.65623.63621.80121.8070
H71.10992.21422.65623.63621.80121.8070

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 106.776 N2 C1 H5 105.294
N2 C1 H6 112.429 N2 C1 H7 112.429
N2 N3 N4 165.831 H5 C1 H6 108.775
H5 C1 H7 108.775 H6 C1 H7 108.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability