Vibrational levels (cm-1)
Mode Number |
Symmetry |
Frequency |
Intensity |
Comment |
Description |
Fundamental(cm-1) |
Harmonic(cm-1) |
Reference |
(km mol-1) |
unc. |
Reference |
1 |
A' |
3615 |
|
webbook |
|
|
|
|
OH stretch |
2 |
A' |
1163 |
|
webbook |
|
|
|
|
bend |
3 |
A' |
620 |
|
webbook |
|
|
|
|
OBr stretch |
vibrational zero-point energy: 2698.8 cm
-1 (from fundamental vibrations)
Calculated vibrational frequencies for
HOBr (Hypobromous acid).
Geometric Data
Point Group Cs
Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Cartesians
Atom |
x (Å) |
y (Å) |
z (Å) |
H1 |
-0.9176 |
1.6589 |
0.0000 |
O2 |
0.0213 |
1.4542 |
0.0000 |
Br3 |
0.0213 |
-0.3798 |
0.0000 |
Atom - Atom Distances
Distances in Å
|
H1 |
O2 |
Br3 |
H1 |
|
0.9610 | 2.2445 |
O2 |
0.9610 |
|
1.8340 |
Br3 |
2.2445 | 1.8340 |
|
Calculated geometries
for HOBr (Hypobromous acid).
Experimental Bond Angles (degrees) from cartesians
atom1 |
atom2 |
atom3 |
angle |
H1 |
O2 |
Br3 |
102.300 |
Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type |
Count |
H-O |
1 |
O-Br |
1 |
Connectivity
Atom 1 |
Atom 2 |
H1 |
O2 |
O2 |
Br3 |
Dipole, Quadrupole and Polarizability
Electric dipole moment
State |
Config |
State description |
Conf description |
Exp. min. |
Dipole (Debye) |
Reference |
comment |
Point Group |
Components |
x |
y |
z |
total |
dipole |
quadrupole |
1 |
1 |
1A' |
Cs |
True |
|
1.384 |
0.000 |
1.384 |
1989Kog/Tak:467 |
MW μ0 DO79Br +-0.01 D μa < 0.01 D |
Cs |
2 |
3 |
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for
HOBr (Hypobromous acid).
Electric quadrupole moment
State |
Config |
State description |
Conf description |
Exp. min. |
Quadrupole (D Å) |
Reference |
comment |
Point Group |
Components |
xx |
yy |
zz |
dipole |
quadrupole |
1 |
1 |
1A' |
Cs |
True |
|
|
|
|
|
Cs |
2 |
3 |
Calculated electric quadrupole moments for
HOBr (Hypobromous acid).