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: CCSD=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-203.674624
Energy at 298.15K-203.679304
HF Energy-202.889651
Nuclear repulsion energy108.678087
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=FULL/6-31G(2df,p)
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 3031 7.52      
2 A' 3089 2909 33.42      
3 A' 2278 2145 493.91      
4 A' 1538 1448 15.05      
5 A' 1488 1401 11.37      
6 A' 1354 1274 139.05      
7 A' 1183 1114 10.81      
8 A' 971 915 18.17      
9 A' 696 655 6.44      
10 A' 255 240 5.78      
11 A" 3161 2977 21.44      
12 A" 1544 1454 6.28      
13 A" 1141 1075 0.50      
14 A" 620 584 10.45      
15 A" 110 104 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 11323.7 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 10662.4 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 CCSD=FULL/6-31G(2df,p)
ABC
1.43864 0.18308 0.16756

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.059 -1.543 0.000
N2 0.709 -0.291 0.000
N3 0.000 0.716 0.000
N4 -0.557 1.700 0.000
H5 0.665 -2.352 0.000
H6 -0.685 -1.631 0.890
H7 -0.685 -1.631 -0.890

Atom - Atom Distances (Å)
  C1 N2 N3 N4 H5 H6 H7
C11.46892.25953.28111.08581.09171.0917
N21.46891.23122.35942.06172.12892.1289
N32.25951.23121.13113.13902.60192.6019
N43.28112.35941.13114.23253.45063.4506
H51.08582.06173.13904.23251.77051.7705
H61.09172.12892.60193.45061.77051.7798
H71.09172.12892.60193.45061.77051.7798

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 113.319 N2 C1 H5 106.646
N2 C1 H6 111.641 N2 C1 H7 111.641
N2 N3 N4 174.350 H5 C1 H6 108.798
H5 C1 H7 108.798 H6 C1 H7 109.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability