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

using model chemistry: QCISD/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 QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-132.989792
Energy at 298.15K-132.993671
HF Energy-132.489322
Nuclear repulsion energy63.939992
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(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3202 3033 5.40      
2 A' 3094 2931 5.99      
3 A' 3058 2897 14.78      
4 A' 1752 1660 0.81      
5 A' 1508 1428 7.83      
6 A' 1420 1345 2.57      
7 A' 1269 1202 1.73      
8 A' 1076 1020 9.99      
9 A' 930 881 1.97      
10 A' 430 408 18.05      
11 A" 3170 3003 7.92      
12 A" 1511 1432 7.29      
13 A" 1087 1030 0.37      
14 A" 757 717 7.99      
15 A" 188 179 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 12226.2 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 11583.1 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(2df,p)
ABC
1.88423 0.34662 0.30969

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.843 -0.770 0.000
N3 1.253 0.496 0.000
H4 -0.534 1.447 0.000
H5 -0.207 -1.654 0.000
H6 -1.486 -0.786 0.884
H7 -1.486 -0.786 -0.884

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51401.25331.09812.15162.14702.1470
C21.51402.44912.23831.08961.09251.0925
N31.25332.44912.02472.59893.15053.1505
H41.09812.23832.02473.11832.58292.5829
H52.15161.08962.59893.11831.78051.7805
H62.14701.09253.15052.58291.78051.7672
H72.14701.09253.15052.58291.78051.7672

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 110.396 C1 C2 H6 109.856
C1 C2 H7 109.856 C2 C1 N3 124.236
C2 C1 H4 117.042 N3 C1 H4 118.722
H5 C2 H6 109.370 H5 C2 H7 109.370
H6 C2 H7 107.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability