return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CuCH3 (monomethyl copper)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-236.257953
Energy at 298.15K-236.260797
Nuclear repulsion energy53.827977
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/SDD
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3009 2904 22.50      
2 A1 1208 1166 62.12      
3 A1 580 560 5.63      
4 E 3128 3019 7.62      
4 E 3128 3019 7.62      
5 E 1488 1436 0.10      
5 E 1488 1436 0.10      
6 E 722 696 81.37      
6 E 722 696 81.37      

Unscaled Zero Point Vibrational Energy (zpe) 7735.4 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 7467.0 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 MP2/SDD
ABC
5.06931 0.35069 0.35069

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.473
C2 0.000 0.000 -1.406
H3 0.000 1.049 -1.757
H4 0.908 -0.524 -1.757
H5 -0.908 -0.524 -1.757

Atom - Atom Distances (Å)
  Cu1 C2 H3 H4 H5
Cu11.87922.46452.46452.4645
C21.87921.10591.10591.1059
H32.46451.10591.81651.8165
H42.46451.10591.81651.8165
H52.46451.10591.81651.8165

picture of monomethyl copper state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cu1 C2 H3 108.505 Cu1 C2 H4 108.505
Cu1 C2 H5 108.505 H3 C2 H4 110.420
H3 C2 H5 110.420 H4 C2 H5 110.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability