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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-203.734579
Energy at 298.15K-203.739228
HF Energy-202.945748
Nuclear repulsion energy107.948472
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 MP2/Def2TZVPP
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' 3219 3062 5.08      
2 A' 3072 2923 40.19      
3 A' 2319 2206 375.34      
4 A' 1514 1440 14.50      
5 A' 1456 1385 12.43      
6 A' 1325 1261 114.59      
7 A' 1155 1099 9.56      
8 A' 933 888 20.09      
9 A' 695 661 8.58      
10 A' 232 221 8.24      
11 A" 3153 3000 19.55      
12 A" 1514 1440 7.63      
13 A" 1125 1070 0.60      
14 A" 570 542 4.77      
15 A" 137 131 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 11208.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 10664.8 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 MP2/Def2TZVPP
ABC
1.48856 0.17840 0.16426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.075 -1.562 0.000
N2 0.685 -0.307 0.000
N3 0.000 0.715 0.000
N4 -0.515 1.739 0.000
H5 0.655 -2.363 0.000
H6 -0.699 -1.646 0.890
H7 -0.699 -1.646 -0.890

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46792.27853.33041.08301.08971.0897
N21.46791.23002.37152.05662.12122.1212
N32.27851.23001.14613.14662.61762.6176
N43.33042.37151.14614.26523.50433.5043
H51.08302.05663.14664.26521.77111.7711
H61.08972.12122.61763.50431.77111.7794
H71.08972.12122.61763.50431.77111.7794

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 114.966 N2 C1 H5 106.480
N2 C1 H6 111.208 N2 C1 H7 111.208
N2 N3 N4 172.845 H5 C1 H6 109.206
H5 C1 H7 109.206 H6 C1 H7 109.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability