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 CBr2Cl2 (dibromodichloromethane)

using model chemistry: B2PLYP=FULLultrafine/aug-cc-pVDZ

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=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-6105.597807
Energy at 298.15K 
HF Energy-6105.340438
Nuclear repulsion energy841.347158
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=FULLultrafine/aug-cc-pVDZ
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 728 701 126.16      
2 A1 382 368 0.06      
3 A1 244 235 0.21      
4 A1 155 149 0.04      
5 A2 176 170 0.00      
6 B1 684 658 123.71      
7 B1 233 224 0.23      
8 B2 757 728 123.70      
9 B2 266 256 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 1812.3 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 1744.0 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
0.04469 0.03056 0.02669

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.402
Cl2 0.000 1.458 1.430
Cl3 0.000 -1.458 1.430
Br4 1.598 0.000 -0.729
Br5 -1.598 0.000 -0.729

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 Br4 Br5
C11.78401.78401.95801.9580
Cl21.78402.91643.05663.0566
Cl31.78402.91643.05663.0566
Br41.95803.05663.05663.1958
Br51.95803.05663.05663.1958

picture of dibromodichloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.640 Cl2 C1 Br4 109.449
Cl2 C1 Br5 109.449 Cl3 C1 Br4 109.449
Cl3 C1 Br5 109.449 Br4 C1 Br5 109.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability