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

using model chemistry: QCISD/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 QCISD/6-31G**
 hartrees
Energy at 0K-203.534109
Energy at 298.15K-203.538729
HF Energy-202.866467
Nuclear repulsion energy107.635080
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 QCISD/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' 3235 3045 13.10      
2 A' 3098 2917 42.45      
3 A' 2208 2079 452.23      
4 A' 1554 1463 11.51      
5 A' 1501 1413 19.76      
6 A' 1328 1250 132.98      
7 A' 1181 1112 14.16      
8 A' 956 900 15.16      
9 A' 663 624 7.15      
10 A' 249 235 5.83      
11 A" 3173 2987 32.59      
12 A" 1552 1461 4.79      
13 A" 1141 1074 1.01      
14 A" 575 541 11.10      
15 A" 110 104 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 11261.1 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 10601.2 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 QCISD/6-31G**
ABC
1.44796 0.17850 0.16385

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.075 -1.560 0.000
N2 0.706 -0.309 0.000
N3 0.000 0.719 0.000
N4 -0.534 1.734 0.000
H5 0.647 -2.370 0.000
H6 -0.702 -1.643 0.890
H7 -0.702 -1.643 -0.890

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47502.28023.32581.08581.09181.0918
N21.47501.24712.38992.06272.13442.1344
N32.28021.24711.14693.15672.62002.6200
N43.32582.38991.14694.27133.49643.4964
H51.08582.06273.15674.27131.77261.7726
H61.09182.13442.62003.49641.77261.7799
H71.09182.13442.62003.49641.77261.7799

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 113.519 N2 C1 H5 106.318
N2 C1 H6 111.640 N2 C1 H7 111.640
N2 N3 N4 173.261 H5 C1 H6 108.975
H5 C1 H7 108.975 H6 C1 H7 109.196
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability