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

using model chemistry: ROMP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROMP2/6-31G*
 hartrees
Energy at 0K-132.853629
Energy at 298.15K-132.857504
HF Energy-132.464965
Nuclear repulsion energy63.871575
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 ROMP2/6-31G*
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' 3232 3232        
2 A' 3118 3118        
3 A' 3100 3100        
4 A' 1729 1729        
5 A' 1541 1541        
6 A' 1451 1451        
7 A' 1291 1291        
8 A' 1099 1099        
9 A' 952 952        
10 A' 437 437        
11 A" 3204 3204        
12 A" 1543 1543        
13 A" 1107 1107        
14 A" 758 758        
15 A" 181 181        

Unscaled Zero Point Vibrational Energy (zpe) 12371.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12371.2 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 ROMP2/6-31G*
ABC
1.86960 0.34723 0.30983

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 -0.852 -0.757 0.000
N3 1.262 0.477 0.000
H4 -0.514 1.459 0.000
H5 -0.220 -1.646 0.000
H6 -1.494 -0.771 0.885
H7 -1.494 -0.771 -0.885

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.50831.26181.09862.14482.14442.1444
C21.50832.44752.24151.09061.09331.0933
N31.26182.44752.02892.58863.15183.1518
H41.09862.24152.02893.11852.59122.5912
H52.14481.09062.58863.11851.78111.7811
H62.14441.09333.15182.59121.78111.7696
H72.14441.09333.15182.59121.78111.7696

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 110.194 C1 C2 H6 110.000
C1 C2 H7 110.000 C2 C1 N3 123.898
C2 C1 H4 117.733 N3 C1 H4 118.369
H5 C2 H6 109.282 H5 C2 H7 109.282
H6 C2 H7 108.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability