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

using model chemistry: QCISD(T)/aug-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)/aug-cc-pVDZ
 hartrees
Energy at 0K-203.612281
Energy at 298.15K-203.616850
HF Energy-202.890118
Nuclear repulsion energy106.739792
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)/aug-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' 3154 3084        
2 A' 3015 2948        
3 A' 2116 2069        
4 A' 1477 1444        
5 A' 1422 1390        
6 A' 1275 1247        
7 A' 1135 1110        
8 A' 920 900        
9 A' 635 621        
10 A' 235 229        
11 A" 3089 3021        
12 A" 1478 1445        
13 A" 1093 1069        
14 A" 517 506        
15 A" 131 128        

Unscaled Zero Point Vibrational Energy (zpe) 10845.9 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 10605.2 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)/aug-cc-pVDZ
ABC
1.41993 0.17595 0.16149

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.086 -1.570 0.000
N2 0.713 -0.314 0.000
N3 0.000 0.719 0.000
N4 -0.525 1.752 0.000
H5 0.640 -2.397 0.000
H6 -0.719 -1.642 0.904
H7 -0.719 -1.642 -0.904

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.48882.29163.35161.09961.10601.1060
N21.48881.25542.40852.08382.15212.1521
N32.29161.25541.15853.18102.62922.6292
N43.35162.40851.15854.30913.51833.5183
H51.09962.08383.18104.30911.79791.7979
H61.10602.15212.62923.51831.79791.8081
H71.10602.15212.62923.51831.79791.8081

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 112.972 N2 C1 H5 106.258
N2 C1 H6 111.216 N2 C1 H7 111.216
N2 N3 N4 172.354 H5 C1 H6 109.206
H5 C1 H7 109.206 H6 C1 H7 109.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability