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

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-133.080369
Energy at 298.15K-133.084079
HF Energy-132.523921
Nuclear repulsion energy63.899907
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 QCISD(T)/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' 3141 3037        
2 A' 3038 2937        
3 A' 2990 2891        
4 A' 1704 1647        
5 A' 1478 1429        
6 A' 1402 1356        
7 A' 1235 1194        
8 A' 1050 1015        
9 A' 900 870        
10 A' 419 405        
11 A" 3115 3012        
12 A" 1478 1429        
13 A" 1052 1017        
14 A" 735 711        
15 A" 105 101        

Unscaled Zero Point Vibrational Energy (zpe) 11921.1 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 11525.3 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 QCISD(T)/aug-cc-pVTZ
ABC
1.88043 0.34623 0.30932

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.846 -0.769 0.000
N3 1.255 0.494 0.000
H4 -0.528 1.451 0.000
H5 -0.211 -1.655 0.000
H6 -1.486 -0.782 0.884
H7 -1.486 -0.782 -0.884

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51501.25501.09852.15282.14542.1454
C21.51502.45102.24321.08951.09211.0921
N31.25502.45102.02362.60083.15003.1500
H41.09852.24322.02363.12212.58612.5861
H52.15281.08952.60083.12211.78051.7805
H62.14541.09213.15002.58611.78051.7690
H72.14541.09213.15002.58611.78051.7690

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 110.435 C1 C2 H6 109.688
C1 C2 H7 109.688 C2 C1 N3 124.195
C2 C1 H4 117.366 N3 C1 H4 118.439
H5 C2 H6 109.410 H5 C2 H7 109.410
H6 C2 H7 108.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability