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

using model chemistry: QCISD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-203.572795
Energy at 298.15K-203.577350
HF Energy-202.878098
Nuclear repulsion energy106.970162
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 QCISD(T)/cc-pVDZ
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' 3173 3024        
2 A' 3029 2887        
3 A' 2162 2060        
4 A' 1483 1414        
5 A' 1437 1369        
6 A' 1306 1245        
7 A' 1142 1088        
8 A' 938 894        
9 A' 649 619        
10 A' 240 229        
11 A" 3105 2960        
12 A" 1483 1413        
13 A" 1097 1045        
14 A" 544 519        
15 A" 101 97        

Unscaled Zero Point Vibrational Energy (zpe) 10944.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 10431.4 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 QCISD(T)/cc-pVDZ
ABC
1.43899 0.17633 0.16204

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.082 -1.567 0.000
N2 0.706 -0.313 0.000
N3 0.000 0.719 0.000
N4 -0.522 1.751 0.000
H5 0.644 -2.395 0.000
H6 -0.720 -1.650 0.903
H7 -0.720 -1.650 -0.903

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.48142.28713.34681.10121.10791.1079
N21.48141.25032.40182.08262.15292.1529
N32.28711.25031.15673.17932.63482.6348
N43.34682.40181.15674.30643.52403.5240
H51.10122.08263.17934.30641.79681.7968
H61.10792.15292.63483.52401.79681.8051
H71.10792.15292.63483.52401.79681.8051

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 113.433 N2 C1 H5 106.570
N2 C1 H6 111.688 N2 C1 H7 111.688
N2 N3 N4 172.428 H5 C1 H6 108.847
H5 C1 H7 108.847 H6 C1 H7 109.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability