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All results from a given calculation for CuCH3 (monomethyl copper)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-203.101085
Energy at 298.15K-203.103893
Nuclear repulsion energy40.035727
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/CEP-121G
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 2950 2879 28.94      
2 A1 1187 1159 78.31      
3 A1 553 540 9.16      
4 E 3076 3002 7.87      
4 E 3076 3002 7.87      
5 E 1476 1441 0.00      
5 E 1476 1441 0.00      
6 E 686 669 76.11      
6 E 686 669 76.11      

Unscaled Zero Point Vibrational Energy (zpe) 7582.4 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 7400.4 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/CEP-121G
ABC
5.08491 0.34572 0.34572

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.476
C2 0.000 0.000 -1.417
H3 0.000 1.047 -1.769
H4 0.907 -0.524 -1.769
H5 -0.907 -0.524 -1.769

Atom - Atom Distances (Å)
  Cu1 C2 H3 H4 H5
Cu11.89372.47772.47772.4777
C21.89371.10471.10471.1047
H32.47771.10471.81371.8137
H42.47771.10471.81371.8137
H52.47771.10471.81371.8137

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 108.572 Cu1 C2 H4 108.572
Cu1 C2 H5 108.572 H3 C2 H4 110.355
H3 C2 H5 110.355 H4 C2 H5 110.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability