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

using model chemistry: MP3=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 MP3=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-203.666409
Energy at 298.15K-203.671104
HF Energy-202.891128
Nuclear repulsion energy109.070973
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 MP3=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' 3248 3248 5.91      
2 A' 3115 3115 30.77      
3 A' 2385 2385 555.63      
4 A' 1543 1543 17.29      
5 A' 1495 1495 7.25      
6 A' 1377 1377 145.59      
7 A' 1188 1188 8.16      
8 A' 983 983 18.56      
9 A' 712 712 5.09      
10 A' 257 257 5.13      
11 A" 3189 3189 19.48      
12 A" 1549 1549 6.82      
13 A" 1143 1143 0.44      
14 A" 631 631 11.45      
15 A" 107 107 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 11459.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11459.7 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 MP3=FULL/6-31G(2df,p)
ABC
1.41900 0.18535 0.16917

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.055 -1.535 0.000
N2 0.715 -0.284 0.000
N3 0.000 0.715 0.000
N4 -0.569 1.683 0.000
H5 0.667 -2.343 0.000
H6 -0.680 -1.624 0.889
H7 -0.680 -1.624 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46962.25103.25911.08391.09001.0900
N21.46961.22842.34882.06042.12882.1288
N32.25101.22841.12283.13062.59272.5927
N43.25912.34881.12284.21213.42583.4258
H51.08392.06043.13064.21211.76721.7672
H61.09002.12882.59273.42581.76721.7770
H71.09002.12882.59273.42581.76721.7770

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 112.790 N2 C1 H5 106.610
N2 C1 H6 111.694 N2 C1 H7 111.694
N2 N3 N4 174.847 H5 C1 H6 108.763
H5 C1 H7 108.763 H6 C1 H7 109.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability