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

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-202.090844
Energy at 298.15K-202.095441
HF Energy-201.688629
Nuclear repulsion energy106.311888
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 CISD/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' 3231 3041 10.34      
2 A' 3111 2928 29.45      
3 A' 2105 1981 370.49      
4 A' 1611 1516 14.44      
5 A' 1529 1440 17.96      
6 A' 1194 1124 103.00      
7 A' 1169 1101 64.55      
8 A' 838 789 13.30      
9 A' 665 626 11.52      
10 A' 254 239 6.51      
11 A" 3169 2983 31.17      
12 A" 1609 1515 7.61      
13 A" 1145 1078 0.05      
14 A" 524 493 10.76      
15 A" 131 123 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 11141.7 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 10487.6 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 CISD/3-21G
ABC
1.42624 0.17294 0.15890

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.119 -1.591 0.000
N2 0.709 -0.323 0.000
N3 0.000 0.734 0.000
N4 -0.481 1.772 0.000
H5 0.604 -2.402 0.000
H6 -0.744 -1.664 0.892
H7 -0.744 -1.664 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.51412.32873.38231.08661.09211.0921
N21.51411.27312.40892.08182.16892.1689
N32.32871.27311.14323.19452.66492.6649
N43.38232.40891.14324.31273.55923.5592
H51.08662.08183.19454.31271.77771.7777
H61.09212.16892.66493.55921.77771.7847
H71.09212.16892.66493.55921.77771.7847

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 113.052 N2 C1 H5 105.161
N2 C1 H6 111.628 N2 C1 H7 111.628
N2 N3 N4 171.033 H5 C1 H6 109.361
H5 C1 H7 109.361 H6 C1 H7 109.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability