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

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-132.967498
Energy at 298.15K-132.971467
HF Energy-132.488158
Nuclear repulsion energy64.805382
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 MP2=FULL/6-31G(2df,p)
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' 3257 3061 1.91      
2 A' 3132 2944 2.87      
3 A' 3090 2904 11.69      
4 A' 2160 2030 91.96      
5 A' 1518 1426 11.88      
6 A' 1417 1331 5.06      
7 A' 1278 1201 3.38      
8 A' 1091 1025 11.85      
9 A' 950 893 1.95      
10 A' 438 412 21.71      
11 A" 3225 3031 2.66      
12 A" 1524 1433 9.22      
13 A" 1153 1084 0.28      
14 A" 807 759 6.89      
15 A" 221 207 2.20      

Unscaled Zero Point Vibrational Energy (zpe) 12629.6 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 11870.6 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 MP2=FULL/6-31G(2df,p)
ABC
1.94464 0.35496 0.31785

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.479 0.000
C2 -0.816 -0.783 0.000
N3 1.219 0.523 0.000
H4 -0.558 1.423 0.000
H5 -0.169 -1.654 0.000
H6 -1.456 -0.802 0.880
H7 -1.456 -0.802 -0.880

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.50221.21971.09662.13922.12922.1292
C21.50222.41752.22081.08521.08851.0885
N31.21972.41751.99142.58143.11183.1118
H41.09662.22081.99143.10132.55552.5555
H52.13921.08522.58143.10131.77711.7771
H62.12921.08853.11182.55551.77711.7604
H72.12921.08853.11182.55551.77711.7604

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 110.504 C1 C2 H6 109.505
C1 C2 H7 109.505 C2 C1 N3 124.968
C2 C1 H4 116.550 N3 C1 H4 118.482
H5 C2 H6 109.676 H5 C2 H7 109.676
H6 C2 H7 107.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability