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All results from a given calculation for CH3CHN (methylmethaniminyl radical)

using model chemistry: ROMP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROMP2/3-21G
 hartrees
Energy at 0K-131.988167
Energy at 298.15K-131.992060
HF Energy-131.720247
Nuclear repulsion energy63.241536
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 ROMP2/3-21G
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' 3189 3189        
2 A' 3096 3096        
3 A' 3072 3072        
4 A' 1617 1617        
5 A' 1561 1561        
6 A' 1469 1469        
7 A' 1313 1313        
8 A' 1085 1085        
9 A' 903 903        
10 A' 437 437        
11 A" 3168 3168        
12 A" 1588 1588        
13 A" 1133 1133        
14 A" 780 780        
15 A" 184 184        

Unscaled Zero Point Vibrational Energy (zpe) 12297.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12297.9 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 ROMP2/3-21G
ABC
1.85842 0.33748 0.30196

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.492 0.000
C2 -0.862 -0.773 0.000
N3 1.276 0.496 0.000
H4 -0.543 1.444 0.000
H5 -0.217 -1.655 0.000
H6 -1.499 -0.788 0.890
H7 -1.499 -0.788 -0.890

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53101.27621.09592.15782.16302.1630
C21.53102.48652.23971.09271.09461.0946
N31.27622.48652.05172.61813.18483.1848
H41.09592.23972.05173.11582.58622.5862
H52.15781.09272.61813.11581.78511.7851
H62.16301.09463.18482.58621.78511.7805
H72.16301.09463.18482.58621.78511.7805

picture of methylmethaniminyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 109.527 C1 C2 H6 109.827
C1 C2 H7 109.827 C2 C1 N3 124.441
C2 C1 H4 116.008 N3 C1 H4 119.551
H5 C2 H6 109.400 H5 C2 H7 109.400
H6 C2 H7 108.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability