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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-132.925857
Energy at 298.15K-132.929722
HF Energy-132.485658
Nuclear repulsion energy63.430868
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/cc-pVDZ
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' 3181 3052 8.57      
2 A' 3071 2946 10.05      
3 A' 3032 2908 22.31      
4 A' 1732 1662 0.48      
5 A' 1477 1417 8.04      
6 A' 1395 1338 1.77      
7 A' 1248 1197 1.84      
8 A' 1069 1026 9.38      
9 A' 927 889 1.62      
10 A' 428 410 17.28      
11 A" 3154 3026 11.83      
12 A" 1481 1421 7.54      
13 A" 1067 1024 0.86      
14 A" 742 712 8.75      
15 A" 188 181 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 12095.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11604.0 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 QCISD/cc-pVDZ
ABC
1.84965 0.34196 0.30546

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.489 0.000
C2 -0.852 -0.770 0.000
N3 1.265 0.494 0.000
H4 -0.536 1.463 0.000
H5 -0.210 -1.666 0.000
H6 -1.500 -0.785 0.894
H7 -1.500 -0.785 -0.894

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.52071.26501.11142.16542.16192.1619
C21.52072.46562.25571.10181.10441.1044
N31.26502.46562.04502.61533.17503.1750
H41.11142.25572.04503.14582.60452.6045
H52.16541.10182.61533.14581.79991.7999
H62.16191.10443.17502.60451.79991.7881
H72.16191.10443.17502.60451.79991.7881

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 110.302 C1 C2 H6 109.866
C1 C2 H7 109.866 C2 C1 N3 124.270
C2 C1 H4 117.115 N3 C1 H4 118.615
H5 C2 H6 109.339 H5 C2 H7 109.339
H6 C2 H7 108.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability