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

using model chemistry: MP2/aug-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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-132.900129
Energy at 298.15K-132.904081
HF Energy-132.492397
Nuclear repulsion energy64.190546
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 MP2/aug-cc-pVDZ
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' 3207 3076 4.84      
2 A' 3082 2956 5.56      
3 A' 3056 2931 13.81      
4 A' 2093 2007 103.77      
5 A' 1467 1407 13.53      
6 A' 1375 1318 3.79      
7 A' 1260 1208 4.79      
8 A' 1077 1033 11.26      
9 A' 932 893 1.74      
10 A' 439 421 23.06      
11 A" 3175 3045 5.40      
12 A" 1473 1412 9.19      
13 A" 1128 1082 2.19      
14 A" 787 754 7.24      
15 A" 217 208 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 12383.2 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 11875.5 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 MP2/aug-cc-pVDZ
ABC
1.89971 0.34907 0.31238

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.483 0.000
C2 -0.826 -0.787 0.000
N3 1.232 0.520 0.000
H4 -0.549 1.446 0.000
H5 -0.174 -1.669 0.000
H6 -1.472 -0.798 0.891
H7 -1.472 -0.798 -0.891

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51461.23251.10852.15872.14532.1453
C21.51462.43812.24961.09741.10051.1005
N31.23252.43812.00692.60183.13763.1376
H41.10852.24962.00693.13722.58502.5850
H52.15871.09742.60183.13721.79921.7992
H62.14531.10053.13762.58501.79921.7821
H72.14531.10053.13762.58501.79921.7821

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 110.455 C1 C2 H6 109.213
C1 C2 H7 109.213 C2 C1 N3 124.810
C2 C1 H4 117.257 N3 C1 H4 117.932
H5 C2 H6 109.896 H5 C2 H7 109.896
H6 C2 H7 108.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability