return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-132.931286
Energy at 298.15K-132.935158
HF Energy-132.485801
Nuclear repulsion energy63.509636
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 CCSD=FULL/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' 3190 3190 8.23      
2 A' 3079 3079 9.66      
3 A' 3042 3042 21.63      
4 A' 1741 1741 0.44      
5 A' 1479 1479 8.14      
6 A' 1398 1398 1.97      
7 A' 1252 1252 1.85      
8 A' 1073 1073 9.59      
9 A' 930 930 1.70      
10 A' 430 430 17.38      
11 A" 3161 3161 11.40      
12 A" 1484 1484 7.71      
13 A" 1070 1070 0.84      
14 A" 745 745 8.81      
15 A" 189 189 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 12131.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12131.0 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 CCSD=FULL/cc-pVDZ
ABC
1.85328 0.34290 0.30626

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.489 0.000
C2 -0.850 -0.769 0.000
N3 1.263 0.493 0.000
H4 -0.534 1.462 0.000
H5 -0.210 -1.664 0.000
H6 -1.498 -0.784 0.893
H7 -1.498 -0.784 -0.893

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.51871.26331.11002.16342.15962.1596
C21.51872.46202.25401.10061.10331.1033
N31.26332.46202.04182.61213.17113.1711
H41.11002.25402.04183.14322.60292.6029
H52.16341.10062.61213.14321.79781.7978
H62.15961.10333.17112.60291.79781.7859
H72.15961.10333.17112.60291.79781.7859

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 110.344 C1 C2 H6 109.885
C1 C2 H7 109.885 C2 C1 N3 124.235
C2 C1 H4 117.208 N3 C1 H4 118.557
H5 C2 H6 109.315 H5 C2 H7 109.315
H6 C2 H7 108.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability