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All results from a given calculation for CaC (Calcium monocarbide)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-710.972948
Energy at 298.15K-710.971923
HF Energy-710.941851
Nuclear repulsion energy25.661461
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 MP2/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 447 426 43.87      

Unscaled Zero Point Vibrational Energy (zpe) 223.3 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 213.2 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 MP2/3-21G
B
0.29830

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.571
C2 0.000 0.000 -1.904

Atom - Atom Distances (Å)
  Ca1 C2
Ca12.4746
C22.4746

picture of Calcium monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability