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

using model chemistry: MP4=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-132.020450
Energy at 298.15K-132.024407
HF Energy-131.730183
Nuclear repulsion energy63.669367
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 MP4=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3139 3072        
2 A' 3046 2982        
3 A' 2985 2922        
4 A' 1836 1797        
5 A' 1562 1529        
6 A' 1452 1421        
7 A' 1317 1289        
8 A' 1077 1055        
9 A' 885 866        
10 A' 447 437        
11 A" 3114 3048        
12 A" 1567 1534        
13 A" 1167 1142        
14 A" 817 799        
15 A" 212 208        

Unscaled Zero Point Vibrational Energy (zpe) 12311.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 12050.6 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 MP4=FULL/3-21G
ABC
1.89504 0.34014 0.30521

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 -0.832 -0.805 0.000
N3 1.241 0.544 0.000
H4 -0.593 1.419 0.000
H5 -0.161 -1.672 0.000
H6 -1.469 -0.833 0.894
H7 -1.469 -0.833 -0.894

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53921.24191.10262.16762.16972.1697
C21.53922.47302.23721.09601.09851.0985
N31.24192.47302.03202.62193.16853.1685
H41.10262.23722.03203.12112.57652.5765
H52.16761.09602.62193.12111.79331.7933
H62.16971.09853.16852.57651.79331.7883
H72.16971.09853.16852.57651.79331.7883

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 109.535 C1 C2 H6 109.555
C1 C2 H7 109.555 C2 C1 N3 125.220
C2 C1 H4 114.735 N3 C1 H4 120.046
H5 C2 H6 109.605 H5 C2 H7 109.605
H6 C2 H7 108.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability