Jump to
S1C2
Vibrational Frequencies calculated at ROMP2/aug-cc-pVDZ
Geometric Data calculated at ROMP2/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Jump to
S1C1
Energy calculated at ROMP2/aug-cc-pVDZ
| | hartrees |
| Energy at 0K | -115.589794 |
| Energy at 298.15K | -115.591369 |
| HF Energy | -115.201421 |
| Nuclear repulsion energy | 57.258670 |
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 ROMP2/aug-cc-pVDZ
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
A' |
3329 |
3329 |
|
|
|
|
| 2 |
A' |
3119 |
3119 |
|
|
|
|
| 3 |
A' |
1603 |
1603 |
|
|
|
|
| 4 |
A' |
1236 |
1236 |
|
|
|
|
| 5 |
A' |
981 |
981 |
|
|
|
|
| 6 |
A' |
915 |
915 |
|
|
|
|
| 7 |
A' |
565 |
565 |
|
|
|
|
| 8 |
A" |
3288 |
3288 |
|
|
|
|
| 9 |
A" |
1036 |
1036 |
|
|
|
|
| 10 |
A" |
969 |
969 |
|
|
|
|
| 11 |
A" |
814 |
814 |
|
|
|
|
| 12 |
A" |
752 |
752 |
|
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 9303.5 cm
-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9303.5 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 ROMP2/aug-cc-pVDZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-0.037 |
0.895 |
0.000 |
| H2 |
0.744 |
1.670 |
0.000 |
| C3 |
-0.037 |
-0.421 |
0.670 |
| C4 |
-0.037 |
-0.421 |
-0.670 |
| H5 |
-0.040 |
-0.993 |
1.594 |
| H6 |
-0.040 |
-0.993 |
-1.594 |
Atom - Atom Distances (Å)
| |
C1 |
H2 |
C3 |
C4 |
H5 |
H6 |
| C1 | | 1.0999 | 1.4771 | 1.4771 | 2.4714 | 2.4714 |
H2 | 1.0999 | | 2.3304 | 2.3304 | 3.2012 | 3.2012 | C3 | 1.4771 | 2.3304 | | 1.3391 | 1.0871 | 2.3347 | C4 | 1.4771 | 2.3304 | 1.3391 | | 2.3347 | 1.0871 | H5 | 2.4714 | 3.2012 | 1.0871 | 2.3347 | | 3.1881 | H6 | 2.4714 | 3.2012 | 2.3347 | 1.0871 | 3.1881 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C3 |
C4 |
63.047 |
|
C1 |
C3 |
H5 |
148.694 |
| C1 |
C4 |
C3 |
63.047 |
|
C1 |
C4 |
H6 |
148.694 |
| H2 |
C1 |
C3 |
128.868 |
|
H2 |
C1 |
C4 |
128.868 |
| C3 |
C1 |
C4 |
53.906 |
|
C3 |
C4 |
H6 |
148.258 |
| C4 |
C3 |
H5 |
148.258 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/aug-cc-pVDZ
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.085 |
|
|
|
| 2 |
H |
-0.270 |
|
|
|
| 3 |
C |
0.328 |
|
|
|
| 4 |
C |
0.328 |
|
|
|
| 5 |
H |
-0.236 |
|
|
|
| 6 |
H |
-0.236 |
|
|
|
Electric dipole moments
Electric Quadrupole moment
Quadrupole components in D Å
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
0.000 |
0.000 |
0.000 |
| y |
0.000 |
0.000 |
0.000 |
| z |
0.000 |
0.000 |
0.000 |
<r2> (average value of r
2) Å
2
| <r2> |
34.051 |
| (<r2>)1/2 |
5.835 |