Jump to
S1C2
Energy calculated at HF/STO-3G
| | hartrees |
| Energy at 0K | -185.592181 |
| Energy at 298.15K | -185.593011 |
| HF Energy | -185.592181 |
| Nuclear repulsion energy | 61.582777 |
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 HF/STO-3G
| 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' |
4171 |
3406 |
10.96 |
|
|
|
| 2 |
A' |
1674 |
1367 |
18.47 |
|
|
|
| 3 |
A' |
1586 |
1295 |
4.29 |
|
|
|
| 4 |
A' |
1014 |
828 |
288.18 |
|
|
|
| 5 |
A' |
598 |
488 |
14.37 |
|
|
|
| 6 |
A" |
400 |
326 |
97.74 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 4721.3 cm
-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 3854.9 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 HF/STO-3G
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.471 |
0.000 |
| O2 |
-1.087 |
-0.379 |
0.000 |
| O3 |
1.177 |
0.189 |
0.000 |
| H4 |
-0.715 |
-1.301 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
O2 |
O3 |
H4 |
| C1 | | 1.3803 | 1.2100 | 1.9111 |
O2 | 1.3803 | | 2.3340 | 0.9942 | O3 | 1.2100 | 2.3340 | | 2.4081 | H4 | 1.9111 | 0.9942 | 2.4081 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
O2 |
H4 |
106.052 |
|
O2 |
C1 |
O3 |
128.481 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.282 |
|
|
|
| 2 |
O |
-0.274 |
|
|
|
| 3 |
O |
-0.221 |
|
|
|
| 4 |
H |
0.213 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.377 |
-1.066 |
0.000 |
1.130 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-18.731 |
0.102 |
0.000 |
| y |
0.102 |
-12.397 |
0.000 |
| z |
0.000 |
0.000 |
-13.918 |
|
| Traceless |
| | x | y | z |
| x |
-5.574 |
0.102 |
0.000 |
| y |
0.102 |
3.928 |
0.000 |
| z |
0.000 |
0.000 |
1.646 |
|
| Polar |
| 3z2-r2 | 3.291 |
| x2-y2 | -6.334 |
| xy | 0.102 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
2.045 |
0.406 |
0.000 |
| y |
0.406 |
1.634 |
0.000 |
| z |
0.000 |
0.000 |
0.443 |
<r2> (average value of r
2) Å
2
| <r2> |
34.882 |
| (<r2>)1/2 |
5.906 |
Jump to
S1C1
Energy calculated at HF/STO-3G
| | hartrees |
| Energy at 0K | -185.597928 |
| Energy at 298.15K | -185.598835 |
| HF Energy | -185.597928 |
| Nuclear repulsion energy | 61.522343 |
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 HF/STO-3G
| 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' |
4255 |
3474 |
9.63 |
|
|
|
| 2 |
A' |
2099 |
1714 |
43.95 |
|
|
|
| 3 |
A' |
1495 |
1221 |
111.32 |
|
|
|
| 4 |
A' |
1165 |
951 |
53.36 |
|
|
|
| 5 |
A' |
600 |
490 |
3.32 |
|
|
|
| 6 |
A" |
452 |
369 |
63.66 |
|
|
|
Unscaled Zero Point Vibrational Energy (zpe) 5032.3 cm
-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 4108.8 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 HF/STO-3G
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.439 |
0.000 |
| O2 |
-0.955 |
-0.574 |
0.000 |
| O3 |
1.184 |
0.258 |
0.000 |
| H4 |
-1.831 |
-0.112 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
O2 |
O3 |
H4 |
| C1 | | 1.3927 | 1.1981 | 1.9123 |
O2 | 1.3927 | | 2.2958 | 0.9899 | O3 | 1.1981 | 2.2958 | | 3.0380 | H4 | 1.9123 | 0.9899 | 3.0380 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
O2 |
H4 |
105.513 |
|
O2 |
C1 |
O3 |
124.617 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
0.252 |
|
|
|
| 2 |
O |
-0.260 |
|
|
|
| 3 |
O |
-0.214 |
|
|
|
| 4 |
H |
0.222 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-2.301 |
0.681 |
0.000 |
2.399 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-13.446 |
-1.224 |
0.000 |
| y |
-1.224 |
-15.676 |
0.000 |
| z |
0.000 |
0.000 |
-13.920 |
|
| Traceless |
| | x | y | z |
| x |
1.352 |
-1.224 |
0.000 |
| y |
-1.224 |
-1.993 |
0.000 |
| z |
0.000 |
0.000 |
0.641 |
|
| Polar |
| 3z2-r2 | 1.282 |
| x2-y2 | 2.230 |
| xy | -1.224 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
2.534 |
0.090 |
0.000 |
| y |
0.090 |
1.358 |
0.000 |
| z |
0.000 |
0.000 |
0.473 |
<r2> (average value of r
2) Å
2
| <r2> |
35.175 |
| (<r2>)1/2 |
5.931 |