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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-194.374659
Energy at 298.15K-194.382144
HF Energy-193.872124
Nuclear repulsion energy153.231894
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 CCD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3207 3077 25.86      
2 A 3129 3002 1.91      
3 A 3114 2988 11.35      
4 A 2987 2866 26.79      
5 A 1714 1644 0.24      
6 A 1534 1472 6.63      
7 A 1499 1438 0.12      
8 A 1353 1299 0.00      
9 A 1289 1237 0.00      
10 A 1111 1066 0.83      
11 A 1013 972 16.19      
12 A 944 906 39.41      
13 A 922 884 3.86      
14 A 670 643 7.85      
15 A 379 364 0.40      
16 A 297 285 0.23      
17 A 83 80 0.02      
18 A 3207 3077 32.04      
19 A 3128 3001 10.59      
20 A 3114 2988 35.89      
21 A 3027 2905 21.55      
22 A 1704 1635 5.98      
23 A 1498 1437 2.52      
24 A 1361 1306 0.11      
25 A 1351 1297 2.21      
26 A 1195 1147 1.55      
27 A 1014 973 17.36      
28 A 982 942 3.93      
29 A 944 906 35.67      
30 A 922 885 6.18      
31 A 602 577 10.93      
32 A 454 436 1.52      
33 A 83 80 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24914.2 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 23905.2 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.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G
ABC
0.66069 0.07589 0.07531

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.663
C2 0.000 1.268 -0.188
C3 0.000 -1.268 -0.188
C4 0.971 2.208 -0.168
C5 -0.971 -2.208 -0.168
H6 -0.889 -0.009 1.323
H7 0.889 0.009 1.323
H8 -0.859 1.384 -0.861
H9 0.859 -1.384 -0.861
H10 0.930 3.098 -0.801
H11 -0.930 -3.098 -0.801
H12 1.844 2.122 0.487
H13 -1.844 -2.122 0.487

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52751.52752.55112.55111.10701.10702.23142.23143.55043.55042.81652.8165
C21.52752.53591.35143.60882.16922.15901.09732.86802.14214.50552.14123.9175
C31.52752.53593.60881.35142.15902.16922.86801.09734.50552.14213.91752.1412
C42.55111.35143.60884.82363.25502.65842.12283.66031.09275.67131.09485.2055
C52.55113.60881.35144.82362.65843.25503.66032.12285.67131.09275.20551.0948
H61.10702.16922.15903.25502.65841.77762.59133.11774.17983.74913.56432.4650
H71.10702.15902.16922.65843.25501.77763.11772.59133.74914.17982.46503.5643
H82.23141.09732.86802.12283.66032.59133.11773.25832.47814.48313.10903.8837
H92.23142.86801.09733.66032.12283.11772.59133.25834.48312.47813.88373.1090
H103.55042.14214.50551.09275.67134.17983.74912.47814.48316.46891.85616.0497
H113.55044.50552.14215.67131.09273.74914.17984.48312.47816.46896.04971.8561
H122.81652.14123.91751.09485.20553.56432.46503.10903.88371.85616.04975.6219
H132.81653.91752.14125.20551.09482.46503.56433.88373.10906.04971.85615.6219

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.671 C1 C2 H8 115.474
C1 C3 C5 124.671 C1 C3 H9 115.474
C2 C1 C3 112.211 C2 C1 H6 109.815
C2 C1 H7 109.022 C2 C4 H10 122.084
C2 C4 H12 121.818 C3 C1 H6 109.022
C3 C1 H7 109.815 C3 C5 H11 122.084
C3 C5 H13 121.818 C4 C2 H8 119.851
C5 C3 H9 119.851 H6 C1 H7 106.810
H10 C4 H12 116.097 H11 C5 H13 116.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at CCD/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.407      
2 C -0.113      
3 C -0.113      
4 C -0.366      
5 C -0.366      
6 H 0.177      
7 H 0.177      
8 H 0.181      
9 H 0.181      
10 H 0.165      
11 H 0.165      
12 H 0.160      
13 H 0.160      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (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 r2) Å2
<r2> 0.000
(<r2>)1/2 0.000