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

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-203.671186
Energy at 298.15K-203.675859
HF Energy-202.885125
Nuclear repulsion energy107.981191
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=FULL/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' 3252 3056 3.74      
2 A' 3106 2920 32.98      
3 A' 2364 2222 313.25      
4 A' 1534 1442 14.69      
5 A' 1473 1385 11.24      
6 A' 1348 1267 103.25      
7 A' 1169 1099 9.27      
8 A' 947 891 20.03      
9 A' 703 660 8.32      
10 A' 233 219 8.78      
11 A" 3195 3003 14.72      
12 A" 1537 1445 6.85      
13 A" 1139 1071 0.14      
14 A" 584 549 6.75      
15 A" 139 131 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 11361.5 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 10678.6 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 MP2=FULL/6-31G(2df,p)
ABC
1.50481 0.17809 0.16419

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.067 -1.563 0.000
N2 0.688 -0.305 0.000
N3 0.000 0.716 0.000
N4 -0.528 1.739 0.000
H5 0.666 -2.362 0.000
H6 -0.691 -1.652 0.890
H7 -0.691 -1.652 -0.890

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46782.27973.33371.08441.09031.0903
N21.46781.23032.37742.05742.12362.1236
N32.27971.23031.15123.14872.62232.6223
N43.33372.37741.15124.27083.50963.5096
H51.08442.05743.14874.27081.77131.7713
H61.09032.12362.62233.50961.77131.7796
H71.09032.12362.62233.50961.77131.7796

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 115.051 N2 C1 H5 106.469
N2 C1 H6 111.376 N2 C1 H7 111.376
N2 N3 N4 173.303 H5 C1 H6 109.073
H5 C1 H7 109.073 H6 C1 H7 109.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability