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

using model chemistry: ROMP2/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 ROMP2/cc-pVDZ
 hartrees
Energy at 0K-132.884316
Energy at 298.15K-132.888192
HF Energy-132.475753
Nuclear repulsion energy63.585622
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 ROMP2/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' 3219 3219        
2 A' 3095 3095        
3 A' 3076 3076        
4 A' 1715 1715        
5 A' 1475 1475        
6 A' 1387 1387        
7 A' 1242 1242        
8 A' 1071 1071        
9 A' 932 932        
10 A' 424 424        
11 A" 3192 3192        
12 A" 1481 1481        
13 A" 1064 1064        
14 A" 742 742        
15 A" 198 198        

Unscaled Zero Point Vibrational Energy (zpe) 12155.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12155.8 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 ROMP2/cc-pVDZ
ABC
1.85014 0.34456 0.30744

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.489 0.000
C2 -0.853 -0.762 0.000
N3 1.265 0.482 0.000
H4 -0.519 1.469 0.000
H5 -0.216 -1.658 0.000
H6 -1.501 -0.774 0.892
H7 -1.501 -0.774 -0.892

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51381.26491.10862.15802.15482.1548
C21.51382.45602.25521.09951.10211.1021
N31.26492.45602.03852.60283.16573.1657
H41.10862.25522.03853.14142.60572.6057
H52.15801.09952.60283.14141.79591.7959
H62.15481.10213.16572.60571.79591.7833
H72.15481.10213.16572.60571.79591.7833

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 110.328 C1 C2 H6 109.914
C1 C2 H7 109.914 C2 C1 N3 123.980
C2 C1 H4 117.790 N3 C1 H4 118.231
H5 C2 H6 109.321 H5 C2 H7 109.321
H6 C2 H7 108.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability