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

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at G3
 hartrees
Energy at 0K-133.193855
Energy at 298.15K-133.188889
HF Energy-132.475375
Nuclear repulsion energy64.082911
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 HF/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' 3308 3117 17.10      
2 A' 3241 3054 17.14      
3 A' 3211 3025 20.47      
4 A' 1676 1579 7.88      
5 A' 1609 1516 2.31      
6 A' 1551 1461 2.53      
7 A' 1356 1278 3.07      
8 A' 1169 1102 13.14      
9 A' 975 918 2.22      
10 A' 474 447 20.31      
11 A" 3270 3081 22.74      
12 A" 1623 1529 7.65      
13 A" 1163 1096 0.69      
14 A" 794 748 8.61      
15 A" 179 168 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 12798.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 12059.0 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 MP2=FULL/6-31G*
ABC
1.92161 0.35300 0.31583

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 -0.822 -0.781 0.000
N3 1.226 0.517 0.000
H4 -0.554 1.433 0.000
H5 -0.170 -1.654 0.000
H6 -1.463 -0.803 0.884
H7 -1.463 -0.803 -0.884

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.50661.22631.10032.14252.13832.1383
C21.50662.42422.22951.08951.09261.0926
N31.22632.42422.00152.58083.12303.1230
H41.10032.22952.00153.11022.56982.5698
H52.14251.08952.58083.11021.78301.7830
H62.13831.09263.12302.56981.78301.7687
H72.13831.09263.12302.56981.78301.7687

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 110.722 C1 C2 H6 110.195
C1 C2 H7 110.195 C2 C1 N3 123.717
C2 C1 H4 118.119 N3 C1 H4 118.164
H5 C2 H6 108.944 H5 C2 H7 108.944
H6 C2 H7 107.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability