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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-7748.663305
Energy at 298.15K-7748.673121
HF Energy-7748.094233
Nuclear repulsion energy807.137221
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 MP2=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3266 3052 2.43      
2 A1 548 512 1.15      
3 A1 229 214 0.01      
4 E 1197 1118 35.98      
4 E 1197 1118 35.98      
5 E 684 639 83.00      
5 E 684 639 83.00      
6 E 164 153 0.01      
6 E 164 153 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4065.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 3799.1 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 MP2=FULL/6-31G**
ABC
0.04128 0.04128 0.02098

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.542
H2 0.000 0.000 1.624
Br3 0.000 1.842 -0.046
Br4 1.595 -0.921 -0.046
Br5 -1.595 -0.921 -0.046

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08161.93401.93401.9340
H21.08162.48672.48672.4867
Br31.93402.48673.19083.1908
Br41.93402.48673.19083.1908
Br51.93402.48673.19083.1908

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.722 H2 C1 Br4 107.722
H2 C1 Br5 107.722 Br3 C1 Br4 111.162
Br3 C1 Br5 111.162 Br4 C1 Br5 111.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability