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 CaC (Calcium monocarbide)

using model chemistry: BLYP/6-311G*

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 BLYP/6-311G*
 hartrees
Energy at 0K-715.488017
Energy at 298.15K-715.487008
HF Energy-715.488017
Nuclear repulsion energy27.597847
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 BLYP/6-311G*
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 466 465 46.02      

Unscaled Zero Point Vibrational Energy (zpe) 233.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 232.6 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 BLYP/6-311G*
B
0.34502

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.531
C2 0.000 0.000 -1.770

Atom - Atom Distances (Å)
  Ca1 C2
Ca12.3009
C22.3009

picture of Calcium monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.501      
2 C -0.501      


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 3.278 3.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.439 0.000 0.000
y 0.000 -24.439 0.000
z 0.000 0.000 -35.937
Traceless
 xyz
x 5.749 0.000 0.000
y 0.000 5.749 0.000
z 0.000 0.000 -11.498
Polar
3z2-r2-22.997
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 16.443 0.000 0.000
y 0.000 16.443 0.000
z 0.000 0.000 18.841


<r2> (average value of r2) Å2
<r2> 42.093
(<r2>)1/2 6.488