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

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-132.892306
Energy at 298.15K-132.896165
HF Energy-132.474828
Nuclear repulsion energy63.714126
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/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' 3181 3029 8.97      
2 A' 3078 2932 8.35      
3 A' 3040 2895 21.61      
4 A' 1746 1663 0.20      
5 A' 1529 1456 8.40      
6 A' 1445 1376 3.86      
7 A' 1290 1228 1.32      
8 A' 1093 1041 9.94      
9 A' 943 898 1.47      
10 A' 439 418 17.87      
11 A" 3151 3001 12.51      
12 A" 1529 1456 8.94      
13 A" 1101 1049 0.52      
14 A" 756 720 9.93      
15 A" 172 164 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 12246.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 11662.2 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/6-31G*
ABC
1.87007 0.34460 0.30785

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.850 -0.766 0.000
N3 1.262 0.490 0.000
H4 -0.531 1.454 0.000
H5 -0.213 -1.655 0.000
H6 -1.494 -0.782 0.888
H7 -1.494 -0.782 -0.888

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51441.26161.10232.15292.15202.1520
C21.51442.45672.24241.09381.09651.0965
N31.26162.45672.03502.60263.16193.1619
H41.10232.24242.03503.12472.59122.5912
H52.15291.09382.60263.12471.78611.7861
H62.15201.09653.16192.59121.78611.7751
H72.15201.09653.16192.59121.78611.7751

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 110.225 C1 C2 H6 109.987
C1 C2 H7 109.987 C2 C1 N3 124.249
C2 C1 H4 117.076 N3 C1 H4 118.675
H5 C2 H6 109.262 H5 C2 H7 109.262
H6 C2 H7 108.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability