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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-132.666537
Energy at 298.15K-132.670478
HF Energy-132.433610
Nuclear repulsion energy63.339810
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/SDD
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' 3173 3063 13.95      
2 A' 3063 2957 17.62      
3 A' 3042 2936 19.18      
4 A' 1748 1687 1.80      
5 A' 1527 1474 15.84      
6 A' 1450 1400 8.06      
7 A' 1310 1265 2.82      
8 A' 1094 1056 13.65      
9 A' 930 897 2.05      
10 A' 447 431 22.97      
11 A" 3146 3037 18.72      
12 A" 1525 1472 15.87      
13 A" 1174 1134 3.60      
14 A" 820 791 14.93      
15 A" 201 194 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 12324.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 11896.3 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/SDD
ABC
1.87697 0.33717 0.30239

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.489 0.000
C2 -0.842 -0.797 0.000
N3 1.255 0.532 0.000
H4 -0.565 1.440 0.000
H5 -0.194 -1.687 0.000
H6 -1.487 -0.814 0.895
H7 -1.487 -0.814 -0.895

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.53781.25601.10592.18422.17042.1704
C21.53782.48372.25471.10031.10301.1030
N31.25602.48372.03362.65023.18323.1832
H41.10592.25472.03363.14842.59492.5949
H52.18421.10032.65023.14841.79801.7980
H62.17041.10303.18322.59491.79801.7905
H72.17041.10303.18322.59491.79801.7905

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 110.681 C1 C2 H6 109.434
C1 C2 H7 109.434 C2 C1 N3 125.189
C2 C1 H4 116.085 N3 C1 H4 118.726
H5 C2 H6 109.375 H5 C2 H7 109.375
H6 C2 H7 108.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability