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S1C2
Vibrational Frequencies calculated at B2PLYP/3-21G
Geometric Data calculated at B2PLYP/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
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S1C1
Energy calculated at B2PLYP/3-21G
| | hartrees |
| Energy at 0K | -2600.280729 |
| Energy at 298.15K | |
| HF Energy | -2600.242989 |
| Nuclear repulsion energy | 78.472100 |
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/3-21G
| 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 |
3232 |
3232 |
3.74 |
99.83 |
0.12 |
0.21 |
| 2 |
A1 |
1427 |
1427 |
32.16 |
1.16 |
0.74 |
0.85 |
| 3 |
A1 |
660 |
660 |
20.35 |
9.38 |
0.37 |
0.54 |
| 4 |
B1 |
116 |
116 |
128.91 |
0.49 |
0.75 |
0.86 |
| 5 |
B2 |
3396 |
3396 |
0.14 |
52.61 |
0.75 |
0.86 |
| 6 |
B2 |
917 |
917 |
1.95 |
8.42 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 4874.0 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4874.0 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.
Geometric Data calculated at B2PLYP/3-21G
Point Group is C2v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.000 |
-1.536 |
| Br2 |
0.000 |
0.000 |
0.379 |
| H3 |
0.000 |
0.954 |
-2.032 |
| H4 |
0.000 |
-0.954 |
-2.032 |
Atom - Atom Distances (Å)
| |
C1 |
Br2 |
H3 |
H4 |
| C1 | | 1.9157 | 1.0754 | 1.0754 |
Br2 | 1.9157 | | 2.5938 | 2.5938 | H3 | 1.0754 | 2.5938 | | 1.9082 | H4 | 1.0754 | 2.5938 | 1.9082 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| Br2 |
C1 |
H3 |
117.479 |
|
Br2 |
C1 |
H4 |
117.479 |
| H3 |
C1 |
H4 |
125.042 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.613 |
|
|
|
| 2 |
Br |
0.132 |
|
|
|
| 3 |
H |
0.241 |
|
|
|
| 4 |
H |
0.241 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
0.000 |
0.000 |
-0.963 |
0.963 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-26.216 |
0.000 |
0.000 |
| y |
0.000 |
-24.177 |
0.000 |
| z |
0.000 |
0.000 |
-21.920 |
|
| Traceless |
| | x | y | z |
| x |
-3.168 |
0.000 |
0.000 |
| y |
0.000 |
-0.109 |
0.000 |
| z |
0.000 |
0.000 |
3.277 |
|
| Polar |
| 3z2-r2 | 6.553 |
| x2-y2 | -2.039 |
| xy | 0.000 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
1.010 |
0.000 |
0.000 |
| y |
0.000 |
1.937 |
0.000 |
| z |
0.000 |
0.000 |
5.091 |
<r2> (average value of r
2) Å
2
| <r2> |
44.330 |
| (<r2>)1/2 |
6.658 |