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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-195.233520
Energy at 298.15K-195.240952
HF Energy-195.233520
Nuclear repulsion energy155.431779
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 B3PW91/6-31G*
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' 3257 3116 16.77      
2 A' 3185 3047 30.83      
3 A' 3177 3039 23.45      
4 A' 3168 3031 9.43      
5 A' 3158 3022 7.44      
6 A' 3147 3010 2.54      
7 A' 3044 2912 29.45      
8 A' 1743 1667 9.73      
9 A' 1687 1614 2.03      
10 A' 1515 1449 7.71      
11 A' 1488 1423 12.21      
12 A' 1438 1376 3.40      
13 A' 1408 1347 1.87      
14 A' 1331 1273 1.07      
15 A' 1303 1246 1.38      
16 A' 1201 1149 1.75      
17 A' 1071 1025 0.04      
18 A' 977 935 13.11      
19 A' 905 866 2.27      
20 A' 617 590 5.66      
21 A' 387 370 4.20      
22 A' 217 207 0.29      
23 A" 3095 2961 20.25      
24 A" 1505 1440 7.22      
25 A" 1066 1020 0.80      
26 A" 1044 999 12.04      
27 A" 993 950 1.93      
28 A" 925 885 48.46      
29 A" 808 773 7.24      
30 A" 644 617 25.63      
31 A" 358 343 0.08      
32 A" 148 142 0.03      
33 A" 123 117 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 25064.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23979.5 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 B3PW91/6-31G*
ABC
0.53425 0.08763 0.07635

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.396 0.157 0.000
C2 1.106 -0.208 0.000
C3 0.000 0.736 0.000
C4 -1.314 0.446 0.000
C5 -1.955 -0.907 0.000
H6 2.692 1.205 0.000
H7 3.198 -0.576 0.000
H8 0.865 -1.270 0.000
H9 0.287 1.789 0.000
H10 -2.010 1.285 0.000
H11 -1.231 -1.726 0.000
H12 -2.601 -1.030 0.880
H13 -2.601 -1.030 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34092.46533.72144.47931.08841.08622.09292.66694.54814.08695.21115.2111
C21.34091.45392.50643.13962.12362.12441.08902.15763.45472.78683.89763.8976
C32.46531.45391.34562.55352.73243.45682.18441.09052.08322.75263.26473.2647
C43.72142.50641.34561.49664.07704.62622.77302.08911.09032.17302.14662.1466
C54.47933.13962.55351.49665.10395.16372.84323.50542.19251.09301.09841.0984
H61.08842.12362.73244.07705.10391.85073.07552.47524.70234.89665.81225.8122
H71.08622.12443.45684.62625.16371.85072.43423.75055.53034.57625.88315.8831
H82.09291.08902.18442.77302.84323.07552.43423.11223.84582.14523.58403.5840
H92.66692.15761.09052.08913.50542.47523.75053.11222.35083.82784.12984.1298
H104.54813.45472.08321.09032.19254.70235.53033.84582.35083.10992.54622.5462
H114.08692.78682.75262.17301.09304.89664.57622.14523.82783.10991.77051.7705
H125.21113.89763.26472.14661.09845.81225.88313.58404.12982.54621.77051.7594
H135.21113.89763.26472.14661.09845.81225.88313.58404.12982.54621.77051.7594

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 123.741 C1 C2 H8 118.561
C2 C1 H6 121.541 C2 C1 H7 121.802
C2 C3 C4 127.053 C2 C3 H9 115.240
C3 C2 H8 117.699 C3 C4 C5 127.830
C3 C4 H10 117.186 C4 C3 H9 117.707
C4 C5 H11 113.172 C4 C5 H12 110.690
C4 C5 H13 110.690 C5 C4 H10 114.984
H6 C1 H7 116.657 H11 C5 H12 107.786
H11 C5 H13 107.786 H12 C5 H13 106.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.403      
2 C -0.091      
3 C -0.146      
4 C -0.143      
5 C -0.556      
6 H 0.164      
7 H 0.166      
8 H 0.154      
9 H 0.151      
10 H 0.156      
11 H 0.179      
12 H 0.183      
13 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.493 -0.210 0.000 0.536
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.459 0.172 0.000
y 0.172 -29.047 0.000
z 0.000 0.000 -34.211
Traceless
 xyz
x 3.170 0.172 0.000
y 0.172 2.288 0.000
z 0.000 0.000 -5.458
Polar
3z2-r2-10.916
x2-y20.587
xy0.172
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.241 0.861 0.000
y 0.861 7.221 0.000
z 0.000 0.000 3.826


<r2> (average value of r2) Å2
<r2> 156.238
(<r2>)1/2 12.500