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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-203.534465
Energy at 298.15K-203.539107
HF Energy-202.876884
Nuclear repulsion energy106.952328
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/cc-pVDZ
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' 3228 3074 7.22      
2 A' 3068 2922 47.45      
3 A' 2373 2261 266.26      
4 A' 1495 1424 14.69      
5 A' 1442 1374 14.15      
6 A' 1332 1269 108.71      
7 A' 1148 1093 11.76      
8 A' 942 897 19.29      
9 A' 688 655 8.06      
10 A' 232 221 8.39      
11 A" 3157 3007 27.24      
12 A" 1492 1421 6.44      
13 A" 1111 1059 0.41      
14 A" 548 522 7.27      
15 A" 143 136 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 11198.7 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 10666.7 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 MP2/cc-pVDZ
ABC
1.48430 0.17477 0.16124

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.079 -1.574 0.000
N2 0.692 -0.316 0.000
N3 0.000 0.719 0.000
N4 -0.514 1.762 0.000
H5 0.657 -2.388 0.000
H6 -0.713 -1.664 0.900
H7 -0.713 -1.664 -0.900

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47562.29443.36461.09721.10441.1044
N21.47561.24482.40282.07242.14482.1448
N32.29441.24481.16323.17562.64492.6449
N43.36462.40281.16324.31233.54793.5479
H51.09722.07243.17564.31231.79171.7917
H61.10442.14482.64493.54791.79171.8002
H71.10442.14482.64493.54791.79171.8002

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 114.736 N2 C1 H5 106.384
N2 C1 H6 111.656 N2 C1 H7 111.656
N2 N3 N4 172.474 H5 C1 H6 108.938
H5 C1 H7 108.938 H6 C1 H7 109.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability