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 CHBrF2 (Methane, bromodifluoro-)

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-2810.773348
Energy at 298.15K-2810.778371
HF Energy-2809.870855
Nuclear repulsion energy259.295915
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/cc-pVTZ
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' 3181 2994 12.45      
2 A' 1339 1260 95.45      
3 A' 1160 1092 260.07      
4 A' 741 698 104.86      
5 A' 597 562 5.99      
6 A' 334 314 0.08      
7 A" 1410 1327 18.49      
8 A" 1203 1133 199.73      
9 A" 323 304 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 5143.9 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 4841.5 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/cc-pVTZ
ABC
0.34289 0.09678 0.07881

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.419 -0.913 0.000
H2 -1.501 -0.975 0.000
Br3 0.076 0.960 0.000
F4 0.076 -1.508 1.082
F5 0.076 -1.508 -1.082

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08461.93661.33061.3306
H21.08462.49601.98581.9858
Br31.93662.49602.69462.6946
F41.33061.98582.69462.1650
F51.33061.98582.69462.1650

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 108.075 H2 C1 F4 110.201
H2 C1 F5 110.201 Br3 C1 F4 109.732
Br3 C1 F5 109.732 F4 C1 F5 108.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability