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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-707.217382
Energy at 298.15K-707.216234
HF Energy-707.199052
Nuclear repulsion energy25.170246
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/STO-3G
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 360 314 4.37      

Unscaled Zero Point Vibrational Energy (zpe) 180.1 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 157.0 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/STO-3G
B
0.28699

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.582
C2 0.000 0.000 -1.941

Atom - Atom Distances (Å)
  Ca1 C2
Ca12.5229
C22.5229

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