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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-130.963633
Energy at 298.15K-130.967375
HF Energy-130.842088
Nuclear repulsion energy62.496011
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/STO-3G
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' 3564 3108 0.09      
2 A' 3428 2989 11.80      
3 A' 3374 2941 0.36      
4 A' 1717 1497 4.23      
5 A' 1598 1393 0.62      
6 A' 1512 1318 9.43      
7 A' 1289 1124 6.34      
8 A' 1175 1025 10.34      
9 A' 991 864 5.23      
10 A' 443 386 9.85      
11 A" 3543 3090 0.25      
12 A" 1709 1490 3.35      
13 A" 1183 1032 0.03      
14 A" 789 688 6.87      
15 A" 168 147 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 13241.4 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 11545.2 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/STO-3G
ABC
1.79615 0.33130 0.29553

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.502 0.000
C2 -0.876 -0.769 0.000
N3 1.298 0.481 0.000
H4 -0.534 1.474 0.000
H5 -0.245 -1.673 0.000
H6 -1.524 -0.784 0.895
H7 -1.524 -0.784 -0.895

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.54401.29821.10892.18892.18592.1859
C21.54402.50832.26911.10301.10481.1048
N31.29822.50832.08362.64983.21983.2198
H41.10892.26912.08363.16042.62302.6230
H52.18891.10302.64983.16041.79691.7969
H62.18591.10483.21982.62301.79691.7893
H72.18591.10483.21982.62301.79691.7893

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 110.468 C1 C2 H6 110.123
C1 C2 H7 110.123 C2 C1 N3 123.666
C2 C1 H4 116.637 N3 C1 H4 119.697
H5 C2 H6 108.961 H5 C2 H7 108.961
H6 C2 H7 108.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability