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All results from a given calculation for C5H8 (1,3-Pentadiene, (E)-)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at G4
 hartrees
Energy at 0K-195.157189
Energy at 298.15K-195.150085
HF Energy-195.329021
Nuclear repulsion energy153.480628
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 B3LYP/6-31G(2df,p)
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 3233 3120 13.38      
2 A 3148 3038 3.05      
3 A 3139 3030 53.49      
4 A 3131 3022 7.00      
5 A 3127 3017 0.62      
6 A 3105 2996 8.41      
7 A 3015 2910 35.87      
8 A 1727 1666 14.82      
9 A 1676 1618 3.92      
10 A 1491 1438 6.56      
11 A 1456 1405 4.16      
12 A 1411 1361 3.15      
13 A 1339 1292 2.95      
14 A 1322 1276 0.31      
15 A 1297 1251 2.47      
16 A 1210 1167 0.92      
17 A 1100 1061 0.06      
18 A 991 956 9.46      
19 A 906 875 6.31      
20 A 483 467 0.01      
21 A 450 434 0.48      
22 A 195 188 1.83      
23 A 3059 2952 20.86      
24 A 1477 1426 4.91      
25 A 1065 1027 3.32      
26 A 1058 1021 23.09      
27 A 997 962 5.11      
28 A 928 895 29.96      
29 A 854 824 5.19      
30 A 654 631 1.04      
31 A 263 254 1.49      
32 A 215 208 0.05      
33 A 140 135 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 24829.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 23960.7 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 B3LYP/6-31G(2df,p)
ABC
0.96265 0.07189 0.06773

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.412 0.792 0.000
C2 -1.411 -0.095 0.000
C3 0.000 0.248 0.000
C4 0.997 -0.645 0.000
C5 2.457 -0.314 0.000
H6 -2.222 1.861 0.000
H7 -3.451 0.483 0.000
H8 -1.644 -1.159 0.000
H9 0.240 1.312 0.000
H10 0.744 -1.705 0.000
H11 2.625 0.766 0.000
H12 2.961 -0.738 0.878
H13 2.961 -0.738 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33692.47223.69944.99251.08621.08392.09672.70264.02435.03705.65485.6548
C21.33691.45222.47033.87402.11742.11981.08952.16932.69044.12724.50544.5054
C32.47221.45221.33902.52032.74553.45872.16411.09012.09072.67583.24203.2420
C43.69942.47031.33901.49664.07984.58862.69042.09821.09012.15482.15312.1531
C54.99253.87402.52031.49665.15975.96094.18662.74882.20661.09381.09771.0977
H61.08622.11742.74554.07985.15971.84673.07532.52284.63874.96925.86415.8641
H71.08392.11983.45874.58865.96091.84672.44153.78304.73116.08256.58556.5855
H82.09671.08952.16412.69044.18663.07532.44153.10732.44944.68314.70644.7064
H92.70262.16931.09012.09822.74882.52283.78303.10733.05892.44633.51763.5176
H104.02432.69042.09071.09012.20664.63874.73112.44943.05893.10642.57332.5733
H115.03704.12722.67582.15481.09384.96926.08254.68312.44633.10641.77411.7741
H125.65484.50543.24202.15311.09775.86416.58554.70643.51762.57331.77411.7564
H135.65484.50543.24202.15311.09775.86416.58554.70643.51762.57331.77411.7564

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.685 C1 C2 H8 119.579
C2 C1 H6 121.662 C2 C1 H7 121.852
C2 C3 C4 124.306 C2 C3 H9 116.056
C3 C2 H8 115.736 C3 C4 C5 125.330
C3 C4 H10 118.749 C4 C3 H9 119.638
C4 C5 H11 111.465 C4 C5 H12 111.128
C4 C5 H13 111.128 C5 C4 H10 115.921
H6 C1 H7 116.486 H11 C5 H12 108.181
H11 C5 H13 108.181 H12 C5 H13 106.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.338      
2 C 0.013      
3 C -0.036      
4 C -0.045      
5 C -0.428      
6 H 0.103      
7 H 0.112      
8 H 0.083      
9 H 0.077      
10 H 0.083      
11 H 0.121      
12 H 0.128      
13 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.561 -0.210 0.000 0.599
CHELPG        
AIM        
ESP        


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> 173.066
(<r2>)1/2 13.155