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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-133.058432
Energy at 298.15K-133.053508
HF Energy-132.474719
Nuclear repulsion energy64.021266
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 CBS-Q
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' 3298 3298 16.47      
2 A' 3224 3224 16.50      
3 A' 3195 3195 20.41      
4 A' 1670 1670 7.09      
5 A' 1601 1601 2.70      
6 A' 1535 1535 2.60      
7 A' 1348 1348 2.92      
8 A' 1161 1161 12.91      
9 A' 968 968 2.25      
10 A' 471 471 20.20      
11 A" 3260 3260 21.85      
12 A" 1614 1614 7.42      
13 A" 1153 1153 0.58      
14 A" 787 787 8.32      
15 A" 182 182 2.23      

Unscaled Zero Point Vibrational Energy (zpe) 12733.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12733.8 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 CBS-Q
ABC
1.91429 0.35045 0.31370

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 -0.849 -0.760 0.000
N3 1.258 0.481 0.000
H4 -0.505 1.454 0.000
H5 -0.225 -1.648 0.000
H6 -1.490 -0.778 0.879
H7 -1.490 -0.778 -0.879

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51071.25761.08822.14962.14492.1449
C21.51072.44442.23991.08501.08811.0881
N31.25762.44442.01372.59413.14743.1474
H41.08822.23992.01373.11412.59282.5928
H52.14961.08502.59413.11411.76871.7687
H62.14491.08813.14742.59281.76871.7578
H72.14491.08813.14742.59281.76871.7578

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 110.746 C1 C2 H6 110.184
C1 C2 H7 110.184 C2 C1 N3 123.757
C2 C1 H4 118.141 N3 C1 H4 118.102
H5 C2 H6 108.954 H5 C2 H7 108.954
H6 C2 H7 107.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability