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 CHBrCl2 (Methane, bromodichloro-)

using model chemistry: B2PLYP=FULL/daug-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 B2PLYP=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-3532.713521
Energy at 298.15K 
HF Energy-3532.406370
Nuclear repulsion energy394.547482
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/daug-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' 3208 3208 2.86 60.17 0.17 0.29
2 A' 1206 1206 32.97 3.55 0.49 0.66
3 A' 727 727 117.00 5.58 0.67 0.80
4 A' 610 610 17.30 14.67 0.05 0.09
5 A' 331 331 0.11 7.29 0.11 0.21
6 A' 222 222 0.00 3.49 0.46 0.63
7 A" 1245 1245 18.59 2.23 0.75 0.86
8 A" 761 761 133.81 3.40 0.75 0.86
9 A" 215 215 0.00 2.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4261.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4261.0 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=FULL/daug-cc-pVTZ
ABC
0.10884 0.06050 0.03996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.672 -0.135 0.000
H2 -1.573 0.456 0.000
Br3 0.813 1.111 0.000
Cl4 -0.672 -1.133 1.460
Cl5 -0.672 -1.133 -1.460

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.07721.93841.76871.7687
H21.07722.47422.33852.3385
Br31.93842.47423.06163.0616
Cl41.76872.33853.06162.9198
Cl51.76872.33853.06162.9198

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.757 H2 C1 Cl4 108.034
H2 C1 Cl5 108.034 Br3 C1 Cl4 111.272
Br3 C1 Cl5 111.272 Cl4 C1 Cl5 111.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability