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 CuCH3 (monomethyl copper)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-1680.195350
Energy at 298.15K-1680.198219
Nuclear repulsion energy79.918832
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 mPW1PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3047 2889 21.28      
2 A1 1272 1207 51.46      
3 A1 670 635 18.24      
4 E 3122 2961 7.31      
4 E 3122 2961 7.30      
5 E 1454 1379 0.37      
5 E 1454 1379 0.37      
6 E 692 656 79.47      
6 E 692 656 79.48      

Unscaled Zero Point Vibrational Energy (zpe) 7762.6 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 7361.2 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 mPW1PW91/6-31G*
ABC
5.33676 0.37811 0.37811

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cu1 0.000 0.000 0.456
C2 0.000 0.000 -1.338
H3 0.000 1.022 -1.737
H4 0.885 -0.511 -1.737
H5 -0.885 -0.511 -1.737

Atom - Atom Distances (Å)
  Cu1 C2 H3 H4 H5
Cu11.79422.42002.42002.4200
C21.79421.09741.09741.0974
H32.42001.09741.77041.7704
H42.42001.09741.77041.7704
H52.42001.09741.77041.7704

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 111.340 Cu1 C2 H4 111.340
Cu1 C2 H5 111.340 H3 C2 H4 107.540
H3 C2 H5 107.540 H4 C2 H5 107.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cu 0.267      
2 C -0.810      
3 H 0.181      
4 H 0.181      
5 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.881 1.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.334 0.000 0.000
y 0.000 -21.334 0.000
z 0.000 0.000 -19.255
Traceless
 xyz
x -1.040 0.000 0.000
y 0.000 -1.040 0.000
z 0.000 0.000 2.080
Polar
3z2-r24.159
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.827 0.000 0.000
y 0.000 6.829 -0.000
z 0.000 -0.000 9.164


<r2> (average value of r2) Å2
<r2> 41.859
(<r2>)1/2 6.470