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

using model chemistry: HF/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-194.017030
Energy at 298.15K-194.024896
Nuclear repulsion energy156.213063
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/6-311+G(3df,2p)
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 3354 3047 16.61      
2 A 3284 2984 2.36      
3 A 3270 2971 4.25      
4 A 3158 2869 23.54      
5 A 1840 1672 0.99      
6 A 1601 1455 5.58      
7 A 1566 1423 0.00      
8 A 1424 1294 0.10      
9 A 1363 1239 0.01      
10 A 1178 1070 8.24      
11 A 1123 1020 4.79      
12 A 1072 974 60.83      
13 A 979 890 3.38      
14 A 731 665 11.57      
15 A 400 364 0.58      
16 A 321 292 0.13      
17 A 96 87 0.01      
18 A 3354 3047 21.00      
19 A 3284 2983 6.60      
20 A 3270 2972 29.98      
21 A 3193 2901 16.15      
22 A 1830 1663 33.41      
23 A 1574 1430 6.94      
24 A 1440 1308 4.71      
25 A 1415 1286 6.66      
26 A 1264 1148 3.03      
27 A 1135 1032 11.63      
28 A 1070 973 59.13      
29 A 1029 935 0.93      
30 A 969 880 6.26      
31 A 670 609 12.40      
32 A 484 440 3.61      
33 A 110 100 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 26424.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 24009.4 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 HF/6-311+G(3df,2p)
ABC
0.67890 0.07890 0.07827

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.661
C2 0.000 1.250 -0.179
C3 0.000 -1.250 -0.179
C4 0.946 2.164 -0.174
C5 -0.946 -2.164 -0.174
H6 -0.874 -0.003 1.304
H7 0.874 0.003 1.304
H8 -0.849 1.374 -0.830
H9 0.849 -1.374 -0.830
H10 0.887 3.035 -0.800
H11 -0.887 -3.035 -0.800
H12 1.812 2.079 0.457
H13 -1.812 -2.079 0.457

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50601.50602.50522.50521.08511.08512.19882.19883.48323.48322.76582.7658
C21.50602.49961.31563.54282.12952.12551.07752.83402.08794.41952.09233.8435
C31.50602.49963.54281.31562.12552.12952.83401.07754.41952.08793.84352.0923
C42.50521.31563.54284.72393.19312.61912.06823.60031.07395.54841.07555.1004
C52.50523.54281.31564.72392.61913.19313.60032.06825.54841.07395.10041.0755
H61.08512.12952.12553.19312.61911.74812.54083.06694.09413.69023.50312.4304
H71.08512.12552.12952.61913.19311.74813.06692.54083.69024.09412.43043.5031
H82.19881.07752.83402.06823.60032.54083.06693.23102.40304.40953.03973.8096
H92.19882.83401.07753.60032.06823.06692.54083.23104.40952.40303.80963.0397
H103.48322.08794.41951.07395.54844.09413.69022.40304.40956.32391.83035.9181
H113.48324.41952.08795.54841.07393.69024.09414.40952.40306.32395.91811.8303
H122.76582.09233.84351.07555.10043.50312.43043.03973.80961.83035.91815.5165
H132.76583.84352.09235.10041.07552.43043.50313.80963.03975.91811.83035.5165

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 125.078 C1 C2 H8 115.668
C1 C3 C5 125.078 C1 C3 H9 115.668
C2 C1 C3 112.175 C2 C1 H6 109.466
C2 C1 H7 109.148 C2 C4 H10 121.471
C2 C4 H12 121.773 C3 C1 H6 109.148
C3 C1 H7 109.466 C3 C5 H11 121.471
C3 C5 H13 121.773 C4 C2 H8 119.253
C5 C3 H9 119.253 H6 C1 H7 107.316
H10 C4 H12 116.756 H11 C5 H13 116.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 C 0.073      
3 C 0.073      
4 C -0.542      
5 C -0.542      
6 H 0.111      
7 H 0.111      
8 H 0.117      
9 H 0.117      
10 H 0.137      
11 H 0.137      
12 H 0.117      
13 H 0.117      


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 0.142 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.069 1.136 0.000
y 1.136 -32.642 0.000
z 0.000 0.000 -33.243
Traceless
 xyz
x 1.874 1.136 0.000
y 1.136 -0.486 0.000
z 0.000 0.000 -1.388
Polar
3z2-r2-2.776
x2-y21.573
xy1.136
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.228 2.688 0.000
y 2.688 11.444 0.000
z 0.000 0.000 7.305


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000