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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-195.193998
Energy at 298.15K-195.201526
Nuclear repulsion energy155.238704
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 B1B95/cc-pVDZ
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 3251 3125 12.54      
2 A 3164 3041 4.01      
3 A 3149 3027 4.58      
4 A 3040 2922 20.60      
5 A 1740 1673 1.10      
6 A 1441 1385 5.92      
7 A 1417 1362 0.33      
8 A 1304 1253 0.15      
9 A 1249 1200 0.11      
10 A 1079 1037 1.68      
11 A 1027 987 8.15      
12 A 941 904 32.10      
13 A 914 879 3.55      
14 A 683 657 9.19      
15 A 371 357 0.46      
16 A 296 284 0.08      
17 A 92 88 0.01      
18 A 3251 3125 15.68      
19 A 3163 3040 10.65      
20 A 3149 3027 20.99      
21 A 3091 2971 12.65      
22 A 1727 1660 23.44      
23 A 1428 1372 4.22      
24 A 1316 1265 0.40      
25 A 1278 1229 4.96      
26 A 1166 1121 4.48      
27 A 1031 991 12.47      
28 A 980 942 2.78      
29 A 939 903 30.76      
30 A 885 851 9.16      
31 A 615 591 9.82      
32 A 451 434 3.20      
33 A 105 101 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24866.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 23901.3 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 B1B95/cc-pVDZ
ABC
0.66703 0.07843 0.07787

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.661
C2 0.000 1.246 -0.177
C3 0.000 -1.246 -0.177
C4 0.962 2.167 -0.176
C5 -0.962 -2.167 -0.176
H6 -0.887 -0.009 1.315
H7 0.887 0.009 1.315
H8 -0.863 1.371 -0.840
H9 0.863 -1.371 -0.840
H10 0.908 3.051 -0.813
H11 -0.908 -3.051 -0.813
H12 1.840 2.072 0.469
H13 -1.840 -2.072 0.469

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50151.50152.51422.51421.10221.10222.20842.20843.50783.50782.77732.7773
C21.50152.49201.33193.54592.14192.13131.09512.83432.11824.43752.11753.8482
C31.50152.49203.54591.33192.13132.14192.83431.09514.43752.11823.84822.1175
C42.51421.33193.54594.74183.22132.62362.09873.60121.09115.57931.09315.1217
C52.51423.54591.33194.74182.62363.22133.60122.09875.57931.09115.12171.0931
H61.10222.14192.13133.22132.62361.77452.55913.09204.13703.71223.53292.4242
H71.10222.13132.14192.62363.22131.77453.09202.55913.71224.13702.42423.5329
H82.20841.09512.83432.09873.60122.55913.09203.23992.44084.42223.08343.8107
H92.20842.83431.09513.60122.09873.09202.55913.23994.42222.44083.81073.0834
H103.50782.11824.43751.09115.57934.13703.71222.44084.42226.36611.86305.9527
H113.50784.43752.11825.57931.09113.71224.13704.42222.44086.36615.95271.8630
H122.77732.11753.84821.09315.12173.53292.42423.08343.81071.86305.95275.5413
H132.77733.84822.11755.12171.09312.42423.53293.81073.08345.95271.86305.5413

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 124.975 C1 C2 H8 115.641
C1 C3 C5 124.975 C1 C3 H9 115.641
C2 C1 C3 112.166 C2 C1 H6 109.747
C2 C1 H7 108.918 C2 C4 H10 121.586
C2 C4 H12 121.354 C3 C1 H6 108.918
C3 C1 H7 109.747 C3 C5 H11 121.586
C3 C5 H13 121.354 C4 C2 H8 119.377
C5 C3 H9 119.377 H6 C1 H7 107.220
H10 C4 H12 117.059 H11 C5 H13 117.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.054      
2 C -0.107      
3 C -0.107      
4 C -0.000      
5 C -0.000      
6 H 0.028      
7 H 0.028      
8 H 0.003      
9 H 0.003      
10 H 0.029      
11 H 0.029      
12 H 0.020      
13 H 0.020      


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 0.105 0.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.641 0.809 0.000
y 0.809 -31.780 0.000
z 0.000 0.000 -32.207
Traceless
 xyz
x 1.352 0.809 0.000
y 0.809 -0.356 0.000
z 0.000 0.000 -0.996
Polar
3z2-r2-1.993
x2-y21.139
xy0.809
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.360 3.078 0.000
y 3.078 10.544 0.000
z 0.000 0.000 5.925


<r2> (average value of r2) Å2
<r2> 158.223
(<r2>)1/2 12.579