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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-195.028281
Energy at 298.15K-195.035602
HF Energy-195.028281
Nuclear repulsion energy154.603513
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 PBEPBEultrafine/6-31G*
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' 3180 3127 16.28      
2 A' 3100 3049 44.56      
3 A' 3096 3045 12.45      
4 A' 3090 3039 8.83      
5 A' 3079 3028 6.71      
6 A' 3067 3017 1.08      
7 A' 2969 2920 28.45      
8 A' 1678 1650 9.77      
9 A' 1630 1603 1.85      
10 A' 1471 1447 7.64      
11 A' 1444 1420 12.49      
12 A' 1392 1369 3.39      
13 A' 1366 1343 2.00      
14 A' 1291 1270 0.99      
15 A' 1265 1245 1.43      
16 A' 1172 1153 1.94      
17 A' 1041 1024 0.08      
18 A' 954 938 14.44      
19 A' 884 869 2.72      
20 A' 603 593 5.59      
21 A' 378 372 3.97      
22 A' 215 211 0.23      
23 A" 3016 2967 18.52      
24 A" 1460 1436 6.94      
25 A" 1029 1012 1.15      
26 A" 1006 990 11.26      
27 A" 950 934 2.02      
28 A" 873 859 42.93      
29 A" 781 768 6.37      
30 A" 624 614 22.95      
31 A" 345 339 0.04      
32 A" 153 150 0.01      
33 A" 125 123 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 24362.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 23960.2 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 PBEPBEultrafine/6-31G*
ABC
0.52951 0.08677 0.07561

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.413 0.162 0.000
C2 1.113 -0.208 0.000
C3 0.000 0.740 0.000
C4 -1.323 0.446 0.000
C5 -1.968 -0.913 0.000
H6 2.711 1.216 0.000
H7 3.223 -0.574 0.000
H8 0.863 -1.276 0.000
H9 0.297 1.797 0.000
H10 -2.030 1.288 0.000
H11 -1.237 -1.736 0.000
H12 -2.617 -1.036 0.886
H13 -2.617 -1.036 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35142.48103.74694.51051.09641.09442.11412.67414.58314.11315.24585.2458
C21.35141.46192.52273.16042.14132.14181.09712.16503.48062.80243.92223.9222
C32.48101.46191.35552.57012.75303.48062.19311.09852.10252.76733.28433.2843
C43.74692.52271.35551.50494.10764.65962.78362.10971.09852.18422.15762.1576
C54.51053.16042.57011.50495.14125.20212.85403.53242.20191.10061.10531.1053
H61.09642.14132.75304.10765.14121.86213.10352.48304.74184.92985.85255.8525
H71.09442.14183.48064.65965.20211.86212.46253.76615.57324.60865.92535.9253
H82.11411.09712.19312.78362.85403.10352.46253.12543.86562.14923.59943.5994
H92.67412.16501.09852.10973.53242.48303.76613.12542.38233.85174.15984.1598
H104.58313.48062.10251.09852.20194.74185.57323.86562.38233.12592.55472.5547
H114.11312.80242.76732.18421.10064.92984.60862.14923.85173.12591.78381.7838
H125.24583.92223.28432.15761.10535.85255.92533.59944.15982.55471.78381.7719
H135.24583.92223.28432.15761.10535.85255.92533.59944.15982.55471.78381.7719

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.695 C1 C2 H8 119.044
C2 C1 H6 121.687 C2 C1 H7 121.898
C2 C3 C4 127.080 C2 C3 H9 114.726
C3 C2 H8 117.260 C3 C4 C5 127.852
C3 C4 H10 117.536 C4 C3 H9 118.193
C4 C5 H11 113.003 C4 C5 H12 110.578
C4 C5 H13 110.578 C5 C4 H10 114.611
H6 C1 H7 116.415 H11 C5 H12 107.930
H11 C5 H13 107.930 H12 C5 H13 106.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 C -0.067      
3 C -0.122      
4 C -0.120      
5 C -0.533      
6 H 0.149      
7 H 0.151      
8 H 0.132      
9 H 0.128      
10 H 0.137      
11 H 0.170      
12 H 0.175      
13 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.533 -0.230 0.000 0.581
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.685 0.194 -0.000
y 0.194 -29.268 -0.004
z -0.000 -0.004 -34.230
Traceless
 xyz
x 3.064 0.194 -0.000
y 0.194 2.189 -0.004
z -0.000 -0.004 -5.253
Polar
3z2-r2-10.506
x2-y20.584
xy0.194
xz-0.000
yz-0.004


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.664 0.848 -0.002
y 0.848 7.468 -0.001
z -0.002 -0.001 3.875


<r2> (average value of r2) Å2
<r2> 157.714
(<r2>)1/2 12.558