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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-131.976975
Energy at 298.15K-131.980936
HF Energy-131.730012
Nuclear repulsion energy64.000933
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 MP2/3-21G*
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' 3198 3042 5.96      
2 A' 3102 2951 4.62      
3 A' 3042 2894 21.98      
4 A' 1877 1786 2.53      
5 A' 1583 1506 10.79      
6 A' 1477 1405 6.47      
7 A' 1340 1275 2.35      
8 A' 1096 1042 12.14      
9 A' 909 865 1.98      
10 A' 454 432 19.00      
11 A" 3176 3021 7.61      
12 A" 1588 1511 12.15      
13 A" 1196 1137 1.84      
14 A" 838 797 14.56      
15 A" 200 190 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 12537.5 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 11926.9 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 MP2/3-21G*
ABC
1.92332 0.34316 0.30821

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 -0.825 -0.804 0.000
N3 1.232 0.548 0.000
H4 -0.593 1.409 0.000
H5 -0.158 -1.668 0.000
H6 -1.461 -0.831 0.890
H7 -1.461 -0.831 -0.890

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53031.23401.09832.15862.15882.1588
C21.53032.46182.22491.09201.09431.0943
N31.23402.46182.01892.61563.15433.1543
H41.09832.22492.01893.10772.56242.5624
H52.15861.09202.61563.10771.78621.7862
H62.15881.09433.15432.56241.78621.7803
H72.15881.09433.15432.56241.78621.7803

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 109.679 C1 C2 H6 109.558
C1 C2 H7 109.558 C2 C1 N3 125.550
C2 C1 H4 114.655 N3 C1 H4 119.796
H5 C2 H6 109.577 H5 C2 H7 109.577
H6 C2 H7 108.875
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability