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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-195.227691
Energy at 298.15K-195.235169
HF Energy-195.227691
Nuclear repulsion energy 
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 wB97X-D/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 3265 3097 17.83      
2 A 3194 3030 6.13      
3 A 3177 3013 4.05      
4 A 3053 2895 23.72      
5 A 1768 1677 0.64      
6 A 1505 1428 6.98      
7 A 1474 1398 0.07      
8 A 1339 1270 0.02      
9 A 1289 1223 0.07      
10 A 1107 1050 1.60      
11 A 1036 983 8.88      
12 A 952 903 35.72      
13 A 927 880 12.09      
14 A 682 647 9.09      
15 A 381 362 0.46      
16 A 289 274 0.24      
17 A 74 70 0.01      
18 B 3265 3097 21.42      
19 B 3193 3029 13.15      
20 B 3177 3013 26.97      
21 B 3099 2940 16.48      
22 B 1756 1666 19.37      
23 B 1482 1406 4.14      
24 B 1358 1288 0.44      
25 B 1326 1258 4.70      
26 B 1190 1129 3.44      
27 B 1039 986 13.33      
28 B 987 936 3.78      
29 B 948 899 41.24      
30 B 910 863 7.86      
31 B 607 576 11.60      
32 B 462 438 2.84      
33 B 94 89 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25202.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 23904.2 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 wB97X-D/6-31G*
ABC
0.66521 0.07847 0.07781

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.667
C2 0.000 1.247 -0.179
C3 0.000 -1.247 -0.179
C4 0.961 2.165 -0.176
C5 -0.961 -2.165 -0.176
H6 -0.884 -0.006 1.319
H7 0.884 0.006 1.319
H8 -0.857 1.367 -0.842
H9 0.857 -1.367 -0.842
H10 0.912 3.044 -0.813
H11 -0.912 -3.044 -0.813
H12 1.834 2.075 0.467
H13 -1.834 -2.075 0.467

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50671.50672.51422.51421.09821.09822.20842.20843.50503.50502.77612.7761
C21.50672.49411.32893.54472.14322.13631.08982.82922.11244.43212.11303.8489
C31.50672.49413.54471.32892.13632.14322.82921.08984.43212.11243.84892.1130
C42.51421.32893.54474.73723.21732.62732.09383.59511.08615.57161.08815.1185
C52.51423.54471.32894.73722.62733.21733.59512.09385.57161.08615.11851.0881
H61.09822.14322.13633.21732.62731.76742.55983.09004.13153.71113.52682.4305
H71.09822.13632.14322.62733.21731.76743.09002.55983.71114.13152.43053.5268
H82.20841.08982.82922.09383.59512.55983.09003.22562.43784.41053.07463.8092
H92.20842.82921.08983.59512.09383.09002.55983.22564.41052.43783.80923.0746
H103.50502.11244.43211.08615.57164.13153.71112.43784.41056.35471.85105.9478
H113.50504.43212.11245.57161.08613.71114.13154.41052.43786.35475.94781.8510
H122.77612.11303.84891.08815.11853.52682.43053.07463.80921.85105.94785.5378
H132.77613.84892.11305.11851.08812.43053.52683.80923.07465.94781.85105.5378

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 124.796 C1 C2 H8 115.605
C1 C3 C5 124.796 C1 C3 H9 115.605
C2 C1 C3 111.723 C2 C1 H6 109.734
C2 C1 H7 109.191 C2 C4 H10 121.693
C2 C4 H12 121.586 C3 C1 H6 109.191
C3 C1 H7 109.734 C3 C5 H11 121.693
C3 C5 H13 121.586 C4 C2 H8 119.590
C5 C3 H9 119.590 H6 C1 H7 107.161
H10 C4 H12 116.720 H11 C5 H13 116.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.398      
2 C -0.076      
3 C -0.076      
4 C -0.388      
5 C -0.388      
6 H 0.173      
7 H 0.173      
8 H 0.164      
9 H 0.164      
10 H 0.166      
11 H 0.166      
12 H 0.159      
13 H 0.159      


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 0.057 0.057
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.119 0.932 0.000
y 0.932 -31.286 0.000
z 0.000 0.000 -31.798
Traceless
 xyz
x 1.422 0.932 0.000
y 0.932 -0.327 0.000
z 0.000 0.000 -1.095
Polar
3z2-r2-2.190
x2-y21.166
xy0.932
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.893 3.089 0.000
y 3.089 9.763 0.000
z 0.000 0.000 5.392


<r2> (average value of r2) Å2
<r2> 157.908
(<r2>)1/2 12.566