return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-203.599914
Energy at 298.15K-203.604547
HF Energy-202.908657
Nuclear repulsion energy107.494586
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 MP2/6-311G**
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' 3215 3055 7.91      
2 A' 3064 2911 45.98      
3 A' 2360 2243 300.93      
4 A' 1516 1441 14.96      
5 A' 1468 1395 13.46      
6 A' 1331 1265 109.48      
7 A' 1160 1102 11.13      
8 A' 939 892 18.60      
9 A' 686 652 8.82      
10 A' 232 221 8.54      
11 A" 3144 2987 28.43      
12 A" 1510 1435 7.24      
13 A" 1128 1072 0.65      
14 A" 539 513 6.86      
15 A" 138 131 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 11215.2 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 10656.7 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 MP2/6-311G**
ABC
1.49729 0.17638 0.16270

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.077 -1.570 0.000
N2 0.689 -0.311 0.000
N3 0.000 0.717 0.000
N4 -0.515 1.752 0.000
H5 0.656 -2.374 0.000
H6 -0.704 -1.656 0.894
H7 -0.704 -1.656 -0.894

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.47372.28873.35031.08821.09511.0951
N21.47371.23802.38852.06372.13262.1326
N32.28871.23801.15553.16062.63192.6319
N43.35032.38851.15554.28903.52773.5277
H51.08822.06373.16064.28901.77881.7788
H61.09512.13262.63193.52771.77881.7876
H71.09512.13262.63193.52771.77881.7876

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 114.851 N2 C1 H5 106.345
N2 C1 H6 111.383 N2 C1 H7 111.383
N2 N3 N4 172.667 H5 C1 H6 109.121
H5 C1 H7 109.121 H6 C1 H7 109.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability