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).