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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-5278.735770
Energy at 298.15K 
HF Energy-5278.009610
Nuclear repulsion energy487.757670
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/6-31G(2df,p)
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' 3202 3028 0.78      
2 A' 1368 1294 13.85      
3 A' 1153 1090 137.93      
4 A' 651 615 18.00      
5 A' 372 352 0.33      
6 A' 181 171 0.01      
7 A" 1237 1170 70.16      
8 A" 765 724 142.24      
9 A" 311 294 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 4620.7 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4368.9 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/6-31G(2df,p)
ABC
0.18748 0.04206 0.03514

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.104 0.780 0.000
H2 -0.998 1.396 0.000
F3 0.985 1.563 0.000
Br4 -0.104 -0.288 1.583
Br5 -0.104 -0.288 -1.583

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08591.34161.90901.9090
H21.08591.99062.47762.4776
F31.34161.99062.66782.6678
Br41.90902.47762.66783.1652
Br51.90902.47762.66783.1652

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.727 H2 C1 Br4 108.487
H2 C1 Br5 108.487 F3 C1 Br4 109.063
F3 C1 Br5 109.063 Br4 C1 Br5 111.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability