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

using model chemistry: MP4=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-203.843089
Energy at 298.15K-203.847767
HF Energy-202.936948
Nuclear repulsion energy107.744817
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 MP4=FULL/cc-pVTZ
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' 3172 3055        
2 A' 3051 2937        
3 A' 2189 2108        
4 A' 1516 1459        
5 A' 1446 1392        
6 A' 1308 1260        
7 A' 1147 1104        
8 A' 923 889        
9 A' 674 649        
10 A' 238 230        
11 A" 3110 2994        
12 A" 1515 1458        
13 A" 1116 1075        
14 A" 570 548        
15 A" 154 149        

Unscaled Zero Point Vibrational Energy (zpe) 11064.0 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 10653.6 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 MP4=FULL/cc-pVTZ
ABC
1.52196 0.17659 0.16311

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.079 -1.570 0.000
N2 0.683 -0.312 0.000
N3 0.000 0.717 0.000
N4 -0.506 1.752 0.000
H5 0.647 -2.373 0.000
H6 -0.703 -1.653 0.889
H7 -0.703 -1.653 -0.889

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47042.28803.34961.08281.08911.0891
N21.47041.23492.38262.06072.12292.1229
N32.28801.23491.15283.15652.62642.6264
N43.34962.38261.15284.28333.52453.5245
H51.08282.06073.15654.28331.76991.7699
H61.08912.12292.62643.52451.76991.7782
H71.08912.12292.62643.52451.76991.7782

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 115.231 N2 C1 H5 106.639
N2 C1 H6 111.200 N2 C1 H7 111.200
N2 N3 N4 172.501 H5 C1 H6 109.146
H5 C1 H7 109.146 H6 C1 H7 109.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability