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

using model chemistry: QCISD/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/aug-cc-pVTZ
 hartrees
Energy at 0K-133.057688
Energy at 298.15K-133.061575
HF Energy-132.524095
Nuclear repulsion energy64.079593
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/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' 3164 3045 6.91      
2 A' 3063 2947 7.91      
3 A' 3024 2910 13.69      
4 A' 1741 1676 2.06      
5 A' 1502 1446 9.77      
6 A' 1414 1361 2.49      
7 A' 1262 1215 2.30      
8 A' 1076 1036 10.12      
9 A' 927 892 2.00      
10 A' 434 418 18.84      
11 A" 3134 3016 8.71      
12 A" 1507 1450 7.84      
13 A" 1086 1045 1.35      
14 A" 753 725 9.54      
15 A" 187 180 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 12136.8 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 11680.5 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/aug-cc-pVTZ
ABC
1.89294 0.34810 0.31107

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 -0.769 0.000
N3 1.250 0.495 0.000
H4 -0.527 1.447 0.000
H5 -0.207 -1.652 0.000
H6 -1.482 -0.781 0.883
H7 -1.482 -0.781 -0.883

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51071.25021.09662.14772.14022.1402
C21.51072.44412.23851.08771.09061.0906
N31.25022.44412.01612.59503.14213.1421
H41.09662.23852.01613.11592.58022.5802
H52.14771.08772.59503.11591.77871.7787
H62.14021.09063.14212.58021.77871.7655
H72.14021.09063.14212.58021.77871.7655

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 110.434 C1 C2 H6 109.659
C1 C2 H7 109.659 C2 C1 N3 124.300
C2 C1 H4 117.421 N3 C1 H4 118.279
H5 C2 H6 109.485 H5 C2 H7 109.485
H6 C2 H7 108.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability