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

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-131.983299
Energy at 298.15K-131.987245
HF Energy-131.730901
Nuclear repulsion energy63.883479
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 CID/3-21G*
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' 3197 2975 7.70      
2 A' 3109 2893 4.69      
3 A' 3074 2861 22.56      
4 A' 1766 1644 0.03      
5 A' 1585 1475 10.15      
6 A' 1490 1386 7.23      
7 A' 1345 1252 1.98      
8 A' 1108 1031 13.40      
9 A' 915 851 1.72      
10 A' 458 426 18.62      
11 A" 3171 2950 9.99      
12 A" 1591 1480 11.91      
13 A" 1178 1096 1.27      
14 A" 825 768 15.30      
15 A" 189 176 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 12500.4 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 11631.6 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 CID/3-21G*
ABC
1.90414 0.34315 0.30765

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.835 -0.792 0.000
N3 1.243 0.529 0.000
H4 -0.573 1.422 0.000
H5 -0.178 -1.664 0.000
H6 -1.472 -0.817 0.889
H7 -1.472 -0.817 -0.889

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52801.24381.09532.15882.15832.1583
C21.52802.46202.22911.09121.09381.0938
N31.24382.46202.02332.61283.15773.1577
H41.09532.22912.02333.11042.57102.5710
H52.15881.09122.61283.11041.78311.7831
H62.15831.09383.15772.57101.78311.7776
H72.15831.09383.15772.57101.78311.7776

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 109.903 C1 C2 H6 109.712
C1 C2 H7 109.712 C2 C1 N3 124.998
C2 C1 H4 115.377 N3 C1 H4 119.625
H5 C2 H6 109.394 H5 C2 H7 109.394
H6 C2 H7 108.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability