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

using model chemistry: CCSD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-133.056322
Energy at 298.15K-133.060212
HF Energy-132.524119
Nuclear repulsion energy64.108751
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/aug-cc-pVTZ
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' 3167 3027 6.79      
2 A' 3065 2930 7.70      
3 A' 3030 2896 13.48      
4 A' 1745 1668 1.77      
5 A' 1503 1437 9.73      
6 A' 1415 1353 2.63      
7 A' 1265 1209 2.28      
8 A' 1078 1031 10.33      
9 A' 929 888 2.05      
10 A' 436 416 18.91      
11 A" 3136 2997 8.57      
12 A" 1507 1441 7.91      
13 A" 1087 1039 1.34      
14 A" 755 721 9.57      
15 A" 188 180 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 12152.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 11615.3 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 CCSD/aug-cc-pVTZ
ABC
1.89259 0.34858 0.31144

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.486 0.000
C2 -0.842 -0.768 0.000
N3 1.249 0.494 0.000
H4 -0.525 1.448 0.000
H5 -0.207 -1.651 0.000
H6 -1.482 -0.780 0.882
H7 -1.482 -0.780 -0.882

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51011.24951.09622.14732.13972.1397
C21.51012.44222.23871.08751.09041.0904
N31.24952.44222.01492.59313.14053.1405
H41.09622.23872.01493.11582.58082.5808
H52.14731.08752.59313.11581.77821.7782
H62.13971.09043.14052.58081.77821.7650
H72.13971.09043.14052.58081.77821.7650

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 110.456 C1 C2 H6 109.675
C1 C2 H7 109.675 C2 C1 N3 124.232
C2 C1 H4 117.512 N3 C1 H4 118.256
H5 C2 H6 109.469 H5 C2 H7 109.469
H6 C2 H7 108.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability