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

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-132.890957
Energy at 298.15K-132.894820
HF Energy-132.474869
Nuclear repulsion energy63.749031
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 CCSD/6-31G*
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' 3184 3007 8.61      
2 A' 3082 2910 7.98      
3 A' 3046 2876 21.05      
4 A' 1751 1653 0.14      
5 A' 1530 1444 8.44      
6 A' 1446 1366 4.06      
7 A' 1293 1221 1.32      
8 A' 1095 1034 10.12      
9 A' 945 893 1.51      
10 A' 441 416 17.93      
11 A" 3154 2979 12.08      
12 A" 1530 1445 9.07      
13 A" 1103 1042 0.52      
14 A" 758 715 10.00      
15 A" 173 163 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 12264.8 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 11581.6 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 CCSD/6-31G*
ABC
1.86978 0.34515 0.30828

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.849 -0.765 0.000
N3 1.261 0.489 0.000
H4 -0.529 1.455 0.000
H5 -0.213 -1.654 0.000
H6 -1.493 -0.781 0.887
H7 -1.493 -0.781 -0.887

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51381.26071.10192.15242.15132.1513
C21.51382.45452.24251.09351.09631.0963
N31.26072.45452.03362.60033.15983.1598
H41.10192.24252.03363.12442.59162.5916
H52.15241.09352.60033.12441.78551.7855
H62.15131.09633.15982.59161.78551.7745
H72.15131.09633.15982.59161.78551.7745

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 110.243 C1 C2 H6 109.994
C1 C2 H7 109.994 C2 C1 N3 124.176
C2 C1 H4 117.168 N3 C1 H4 118.656
H5 C2 H6 109.254 H5 C2 H7 109.254
H6 C2 H7 108.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability