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

using model chemistry: QCISD/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/cc-pVTZ
 hartrees
Energy at 0K-133.048851
Energy at 298.15K-133.052740
HF Energy-132.522445
Nuclear repulsion energy64.091073
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/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' 3168 3027 7.58      
2 A' 3067 2930 8.11      
3 A' 3028 2893 16.51      
4 A' 1745 1668 1.24      
5 A' 1498 1432 9.15      
6 A' 1410 1347 2.73      
7 A' 1265 1209 2.26      
8 A' 1076 1028 9.90      
9 A' 928 887 1.92      
10 A' 435 416 18.71      
11 A" 3138 2998 9.99      
12 A" 1503 1436 7.76      
13 A" 1085 1037 1.26      
14 A" 757 724 9.19      
15 A" 188 179 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 12145.0 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 11604.5 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 QCISD/cc-pVTZ
ABC
1.89474 0.34811 0.31111

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 -0.769 0.000
N3 1.250 0.495 0.000
H4 -0.529 1.446 0.000
H5 -0.206 -1.651 0.000
H6 -1.482 -0.783 0.882
H7 -1.482 -0.783 -0.882

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51071.25001.09602.14642.14112.1411
C21.51072.44402.23651.08711.08991.0899
N31.25002.44402.01672.59363.14263.1426
H41.09602.23652.01673.11332.57972.5797
H52.14641.08712.59363.11331.77691.7769
H62.14111.08993.14262.57971.77691.7642
H72.14111.08993.14262.57971.77691.7642

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 110.370 C1 C2 H6 109.773
C1 C2 H7 109.773 C2 C1 N3 124.307
C2 C1 H4 117.291 N3 C1 H4 118.402
H5 C2 H6 109.415 H5 C2 H7 109.415
H6 C2 H7 108.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability