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

using model chemistry: CCSD(T)=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-203.723677
Energy at 298.15K-203.728189
HF Energy-202.926605
Nuclear repulsion energy107.912082
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 CCSD(T)=FULL/TZVP
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' 3176 3036        
2 A' 3036 2903        
3 A' 2173 2077        
4 A' 1510 1443        
5 A' 1477 1412        
6 A' 1301 1244        
7 A' 1161 1110        
8 A' 931 890        
9 A' 644 616        
10 A' 235 225        
11 A" 3105 2968        
12 A" 1497 1431        
13 A" 1123 1074        
14 A" 473 453        
15 A" 108 103        

Unscaled Zero Point Vibrational Energy (zpe) 10974.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 10491.9 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 CCSD(T)=FULL/TZVP
ABC
1.45893 0.17934 0.16471

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.085 -1.557 0.000
N2 0.702 -0.308 0.000
N3 0.000 0.715 0.000
N4 -0.515 1.734 0.000
H5 0.631 -2.376 0.000
H6 -0.713 -1.635 0.892
H7 -0.713 -1.635 -0.892

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47672.27373.31971.08731.09401.0940
N21.47671.24012.37722.06922.13532.1353
N32.27371.24011.14243.15422.61262.6126
N43.31972.37721.14244.26683.49103.4910
H51.08732.06923.15424.26681.77531.7753
H61.09402.13532.61263.49101.77531.7847
H71.09402.13532.61263.49101.77531.7847

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 113.345 N2 C1 H5 106.625
N2 C1 H6 111.462 N2 C1 H7 111.462
N2 N3 N4 172.352 H5 C1 H6 108.949
H5 C1 H7 108.949 H6 C1 H7 109.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability