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

using model chemistry: CCSD(T)=FULL/6-31G*

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(T)=FULL/6-31G*
 hartrees
Energy at 0K-203.551084
Energy at 298.15K-203.555671
HF Energy-202.859371
Nuclear repulsion energy107.199607
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(T)=FULL/6-31G*
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 3087        
2 A' 3048 2959        
3 A' 2188 2124        
4 A' 1536 1491        
5 A' 1485 1441        
6 A' 1317 1279        
7 A' 1166 1132        
8 A' 937 910        
9 A' 655 636        
10 A' 243 236        
11 A" 3118 3027        
12 A" 1535 1490        
13 A" 1129 1096        
14 A" 558 542        
15 A" 115 112        

Unscaled Zero Point Vibrational Energy (zpe) 11105.1 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 10779.7 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(T)=FULL/6-31G*
ABC
1.45970 0.17642 0.16230

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.080 -1.568 0.000
N2 0.701 -0.313 0.000
N3 0.000 0.719 0.000
N4 -0.523 1.750 0.000
H5 0.650 -2.381 0.000
H6 -0.710 -1.651 0.896
H7 -0.710 -1.651 -0.896

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47842.28923.34751.09251.09851.0985
N21.47841.24762.39802.06922.14082.1408
N32.28921.24761.15533.16822.63162.6316
N43.34752.39801.15534.29433.52173.5217
H51.09252.06923.16824.29431.78471.7847
H61.09852.14082.63163.52171.78471.7923
H71.09852.14082.63163.52171.78471.7923

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 113.960 N2 C1 H5 106.219
N2 C1 H6 111.506 N2 C1 H7 111.506
N2 N3 N4 172.727 H5 C1 H6 109.092
H5 C1 H7 109.092 H6 C1 H7 109.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability