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I.B.3. (II.A.2.)

All data (experiment and calculated) in the CCCBDB for C2- (carbon diatomic anion)

INChI
InChI=1S/C2/c1-2/q-1

An "x" indicates that data is available. A number indicates how many calculations have been completed.
Property Experiment Calculated Comparison
Energies
Entropies		 Enthalpy 298.15K enthalpy of formation      
Enthalpy 0K enthalpy of formation      
Energy 0K   258  
Energy 298.15K   239  
Atomization Enthalpy 298.15K  0 
Atomization Enthalpy 0K  0 
Entropy (298.15K) entropy x221x
Entropy at any temperature   221  
Integrated Heat Capacity integrated heat capacity  221 
Heat Capacity (Cp) Heat capacity  221 
Nuclear Repulsion Energy   251  
HOMO-LUMO Energies HOMO energies   251  
Barriers to Internal Rotation internal rotation  0 
Geometries Cartesians  237  
Internal Coordinates bond lengths bond angles  237 
Products of moments of inertia moments of inertia  244 
Rotational Constants rotational constants  251 
Point Group  252 
Vibrations Vibrational Frequencies vibrations x252x
Vibrational Intensities  229 
Zero-point energies x252x
Vibrational scaling factors x
Anharmonic frequencies and constants      
Electronic States Electronic states x 0  
Electrostatics Atom charges   137  
Dipole dipole  142 
Quadrupole quadrupole  142 
Polarizability polarizability  140 
Other results Spin   219  
Number of basis functions   35  
Diagnostics   1  
Conformations   1