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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-203.637342
Energy at 298.15K-203.642003
HF Energy-202.884229
Nuclear repulsion energy107.717081
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 MP2/6-31G(2df,p)
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' 3242 3063 3.82      
2 A' 3096 2925 32.67      
3 A' 2355 2225 305.83      
4 A' 1524 1440 13.87      
5 A' 1466 1385 11.60      
6 A' 1337 1263 104.46      
7 A' 1162 1097 9.13      
8 A' 939 887 19.91      
9 A' 700 661 8.15      
10 A' 232 219 8.61      
11 A" 3184 3007 14.99      
12 A" 1522 1438 6.58      
13 A" 1130 1067 0.19      
14 A" 579 547 6.48      
15 A" 138 131 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 11303.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 10676.1 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 MP2/6-31G(2df,p)
ABC
1.49359 0.17733 0.16344

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.070 -1.567 0.000
N2 0.691 -0.306 0.000
N3 0.000 0.717 0.000
N4 -0.528 1.743 0.000
H5 0.666 -2.366 0.000
H6 -0.695 -1.655 0.891
H7 -0.695 -1.655 -0.891

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47282.28483.34121.08631.09241.0924
N21.47281.23372.38312.06072.12942.1294
N32.28481.23371.15373.15412.62712.6271
N43.34122.38311.15374.27883.51643.5164
H51.08632.06073.15414.27881.77581.7758
H61.09242.12942.62713.51641.77581.7828
H71.09242.12942.62713.51641.77581.7828

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 114.888 N2 C1 H5 106.288
N2 C1 H6 111.361 N2 C1 H7 111.361
N2 N3 N4 173.179 H5 C1 H6 109.185
H5 C1 H7 109.185 H6 C1 H7 109.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability