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

using model chemistry: CCSD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-203.726020
Energy at 298.15K-203.730685
HF Energy-202.942841
Nuclear repulsion energy108.664303
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 CCSD/cc-pVTZ
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' 3180 2993 10.10      
2 A' 3048 2869 41.21      
3 A' 2248 2116 539.74      
4 A' 1517 1428 15.31      
5 A' 1467 1381 11.49      
6 A' 1329 1251 159.36      
7 A' 1168 1100 11.66      
8 A' 959 902 18.54      
9 A' 690 650 6.14      
10 A' 252 237 5.27      
11 A" 3112 2929 28.38      
12 A" 1520 1430 6.47      
13 A" 1126 1060 0.98      
14 A" 605 570 9.26      
15 A" 110 104 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 11166.3 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 10509.7 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 CCSD/cc-pVTZ
ABC
1.42619 0.18341 0.16767

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.061 -1.542 0.000
N2 0.713 -0.291 0.000
N3 0.000 0.716 0.000
N4 -0.558 1.698 0.000
H5 0.658 -2.354 0.000
H6 -0.688 -1.627 0.890
H7 -0.688 -1.627 -0.890

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47192.25933.27771.08471.09141.0914
N21.47191.23372.35972.06392.13072.1307
N32.25931.23371.12893.13982.59902.5990
N43.27772.35971.12894.23003.44403.4440
H51.08472.06393.13984.23001.76971.7697
H61.09142.13072.59903.44401.76971.7794
H71.09142.13072.59903.44401.76971.7794

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 112.948 N2 C1 H5 106.685
N2 C1 H6 111.592 N2 C1 H7 111.592
N2 N3 N4 174.309 H5 C1 H6 108.832
H5 C1 H7 108.832 H6 C1 H7 109.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability