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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: CCSD(T)=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-5638.292752
Energy at 298.15K-5638.299846
HF Energy-5637.683701
Nuclear repulsion energy573.399743
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 CCSD(T)=FULL/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3208 3114        
2 A' 1261 1224        
3 A' 783 760        
4 A' 571 554        
5 A' 283 275        
6 A' 175 170        
7 A" 1192 1157        
8 A" 668 649        
9 A" 208 202        

Unscaled Zero Point Vibrational Energy (zpe) 4174.0 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 4051.7 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 CCSD(T)=FULL/6-31G*
ABC
0.08193 0.04096 0.02788

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.235 0.618 0.000
H2 -1.168 1.176 0.000
Cl3 1.117 1.750 0.000
Br4 -0.235 -0.495 1.602
Br5 -0.235 -0.495 -1.602

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.08771.76361.95061.9506
H21.08772.35572.49632.4963
Cl31.76362.35573.07183.0718
Br41.95062.49633.07183.2048
Br51.95062.49633.07183.2048

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 109.110 H2 C1 Br4 107.039
H2 C1 Br5 107.039 Cl3 C1 Br4 111.489
Cl3 C1 Br5 111.489 Br4 C1 Br5 110.464
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability