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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-132.875966
Energy at 298.15K-132.879920
HF Energy-132.485077
Nuclear repulsion energy64.215582
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/cc-pVDZ
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' 3230 3077 3.96      
2 A' 3102 2955 6.04      
3 A' 3062 2917 18.99      
4 A' 2102 2002 64.11      
5 A' 1476 1406 12.37      
6 A' 1388 1322 3.51      
7 A' 1262 1202 3.82      
8 A' 1081 1030 11.23      
9 A' 939 894 1.80      
10 A' 438 417 21.26      
11 A" 3201 3049 5.66      
12 A" 1483 1412 9.99      
13 A" 1134 1080 1.16      
14 A" 794 756 7.29      
15 A" 218 208 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 12454.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 11862.5 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/cc-pVDZ
ABC
1.89994 0.34950 0.31275

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.483 0.000
C2 -0.824 -0.787 0.000
N3 1.230 0.523 0.000
H4 -0.560 1.442 0.000
H5 -0.167 -1.668 0.000
H6 -1.470 -0.806 0.892
H7 -1.470 -0.806 -0.892

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51371.23051.11072.15772.14882.1488
C21.51372.43582.24451.09871.10161.1016
N31.23052.43582.01222.59893.13873.1387
H41.11072.24452.01223.13502.58372.5837
H52.15771.09872.59893.13501.79901.7990
H62.14881.10163.13872.58371.79901.7834
H72.14881.10163.13872.58371.79901.7834

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 110.364 C1 C2 H6 109.488
C1 C2 H7 109.488 C2 C1 N3 124.831
C2 C1 H4 116.743 N3 C1 H4 118.425
H5 C2 H6 109.689 H5 C2 H7 109.689
H6 C2 H7 108.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability