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

using model chemistry: ROMP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROMP2/6-31G(2df,p)
 hartrees
Energy at 0K-132.951752
Energy at 298.15K-132.955632
HF Energy-132.479488
Nuclear repulsion energy64.044315
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 ROMP2/6-31G(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' 3236 3236        
2 A' 3116 3116        
3 A' 3098 3098        
4 A' 1718 1718        
5 A' 1505 1505        
6 A' 1408 1408        
7 A' 1258 1258        
8 A' 1073 1073        
9 A' 934 934        
10 A' 425 425        
11 A" 3205 3205        
12 A" 1510 1510        
13 A" 1079 1079        
14 A" 752 752        
15 A" 196 196        

Unscaled Zero Point Vibrational Energy (zpe) 12256.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12256.0 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 ROMP2/6-31G(2df,p)
ABC
1.87969 0.34891 0.31132

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.846 -0.760 0.000
N3 1.255 0.482 0.000
H4 -0.516 1.455 0.000
H5 -0.215 -1.646 0.000
H6 -1.488 -0.773 0.882
H7 -1.488 -0.773 -0.882

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.50761.25521.09632.14482.14082.1408
C21.50762.44102.23941.08801.09101.0910
N31.25522.44102.02092.58683.14323.1432
H41.09632.23942.02093.11582.58612.5861
H52.14481.08802.58683.11581.77791.7779
H62.14081.09103.14322.58611.77791.7639
H72.14081.09103.14322.58611.77791.7639

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 110.401 C1 C2 H6 109.902
C1 C2 H7 109.902 C2 C1 N3 123.885
C2 C1 H4 117.769 N3 C1 H4 118.346
H5 C2 H6 109.356 H5 C2 H7 109.356
H6 C2 H7 107.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability