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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-203.140728
Energy at 298.15K-203.145238
HF Energy-202.737862
Nuclear repulsion energy106.371821
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 CISD/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' 3242 3041 10.02      
2 A' 3099 2906 38.82      
3 A' 2192 2055 489.77      
4 A' 1584 1485 15.72      
5 A' 1536 1440 10.85      
6 A' 1277 1198 167.53      
7 A' 1196 1122 13.99      
8 A' 883 828 10.94      
9 A' 622 584 15.09      
10 A' 249 234 6.92      
11 A" 3166 2969 34.43      
12 A" 1581 1482 8.89      
13 A" 1157 1085 0.63      
14 A" 454 426 10.80      
15 A" 119 111 2.06      

Unscaled Zero Point Vibrational Energy (zpe) 11178.9 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 10483.5 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 CISD/6-31G
ABC
1.57315 0.16902 0.15720

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.132 -1.607 0.000
N2 0.660 -0.338 0.000
N3 0.000 0.737 0.000
N4 -0.417 1.807 0.000
H5 0.606 -2.406 0.000
H6 -0.758 -1.695 0.894
H7 -0.758 -1.695 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.49622.34793.42611.08761.09471.0947
N21.49621.26172.40052.06832.15702.1570
N32.34791.26171.14853.20062.69962.6996
N43.42612.40051.14854.33523.63033.6303
H51.08762.06833.20064.33521.77931.7793
H61.09472.15702.69963.63031.77931.7871
H71.09472.15702.69963.63031.77931.7871

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 116.457 N2 C1 H5 105.257
N2 C1 H6 111.780 N2 C1 H7 111.780
N2 N3 N4 169.738 H5 C1 H6 109.242
H5 C1 H7 109.242 H6 C1 H7 109.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability