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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: B2PLYP=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/Def2TZVPP
 hartrees
Energy at 0K-1553.461950
Energy at 298.15K 
HF Energy-1552.813108
Nuclear repulsion energy559.411634
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 B2PLYP=FULL/Def2TZVPP
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 703 703 106.59 17.47 0.38 0.55
2 A1 353 353 0.00 13.05 0.01 0.02
3 A1 205 205 0.02 9.24 0.20 0.33
4 A1 110 110 0.08 3.22 0.60 0.75
5 A2 155 155 0.00 2.43 0.75 0.86
6 B1 624 624 94.94 18.85 0.75 0.86
7 B1 192 192 0.00 4.81 0.75 0.86
8 B2 736 736 95.70 2.10 0.75 0.86
9 B2 228 228 0.45 3.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1652.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1652.6 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 B2PLYP=FULL/Def2TZVPP
ABC
0.03873 0.01784 0.01550

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.667
Cl2 0.000 1.445 1.690
Cl3 0.000 -1.445 1.690
I4 1.774 0.000 -0.580
I5 -1.774 0.000 -0.580

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.77081.77082.16832.1683
Cl21.77082.89083.22313.2231
Cl31.77082.89083.22313.2231
I42.16833.22313.22313.5480
I52.16833.22313.22313.5480

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.418 Cl2 C1 I4 109.402
Cl2 C1 I5 109.402 Cl3 C1 I4 109.402
Cl3 C1 I5 109.402 I4 C1 I5 109.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability