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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-195.223214
Energy at 298.15K-195.230371
Nuclear repulsion energy155.166255
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 BLYP/6-311G*
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 3087 3079 10.55      
2 A 3026 3018 15.57      
3 A 3022 3014 42.49      
4 A 3020 3012 40.09      
5 A 3017 3010 22.10      
6 A 2963 2955 26.75      
7 A 2938 2930 25.23      
8 A 2925 2918 43.56      
9 A 1984 1979 25.63      
10 A 1486 1482 5.37      
11 A 1478 1474 8.36      
12 A 1464 1461 0.06      
13 A 1448 1444 4.99      
14 A 1392 1388 4.65      
15 A 1352 1349 15.52      
16 A 1302 1298 2.14      
17 A 1266 1263 0.06      
18 A 1126 1123 0.90      
19 A 1080 1077 1.71      
20 A 1059 1056 2.85      
21 A 1007 1005 0.05      
22 A 972 970 0.32      
23 A 874 872 14.26      
24 A 825 823 49.07      
25 A 811 809 7.45      
26 A 777 775 2.77      
27 A 618 617 2.49      
28 A 507 505 4.55      
29 A 350 349 3.45      
30 A 322 321 6.56      
31 A 238 237 0.04      
32 A 147 147 0.32      
33 A 96 96 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 23989.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 23929.1 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 BLYP/6-311G*
ABC
0.33935 0.10331 0.08300

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.381 0.517 0.002
C2 -1.554 -1.012 -0.001
C3 0.062 1.010 -0.002
C4 1.142 0.263 0.000
C5 2.227 -0.476 0.000
H6 -1.891 0.950 0.881
H7 -1.896 0.953 -0.873
H8 -1.094 -1.466 -0.890
H9 -2.620 -1.282 0.004
H10 -1.085 -1.470 0.882
H11 0.190 2.101 -0.005
H12 2.704 -0.802 -0.929
H13 2.707 -0.798 0.930

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53831.52492.53553.74201.10511.10502.19272.18452.19272.23114.39184.3929
C21.53832.58882.98263.81922.17712.17711.09961.09981.09963.56834.36304.3666
C31.52492.58881.31342.62632.14382.14392.87383.52862.87201.09813.33543.3367
C42.53552.98261.31341.31293.23203.23572.96384.06742.95672.06992.10672.1067
C53.74203.81922.62631.31294.44614.45053.57834.91413.56913.28511.09441.0944
H61.10512.17712.14383.23204.44611.75363.09982.50682.55032.53745.23994.9190
H71.10502.17712.14393.23574.45051.75362.54882.50823.09982.53424.92375.2443
H82.19271.09962.87382.96383.57833.09982.54881.77841.77263.89313.85554.2667
H92.18451.09983.52864.06744.91412.50682.50821.77841.77844.39825.42645.4285
H102.19271.09962.87202.95673.56912.55033.09981.77261.77843.89404.25253.8513
H112.23113.56831.09812.06993.28512.53742.53423.89314.39823.89403.95013.9513
H124.39184.36303.33542.10671.09445.23994.92373.85555.42644.25253.95011.8592
H134.39294.36663.33672.10671.09444.91905.24434.26675.42853.85133.95131.8592

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.365 C1 C2 H9 110.699
C1 C2 H10 111.367 C1 C3 C4 126.424
C1 C3 H11 115.589 C2 C1 C3 115.372
C2 C1 H6 109.816 C2 C1 H7 109.819
C3 C1 H6 108.141 C3 C1 H7 108.149
C3 C4 C5 179.575 C4 C3 H11 117.986
C4 C5 H12 121.850 C4 C5 H13 121.855
H6 C1 H7 105.021 H8 C2 H9 107.913
H8 C2 H10 107.420 H9 C2 H10 107.912
H12 C5 H13 116.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 C -0.600      
3 C -0.266      
4 C 0.170      
5 C -0.523      
6 H 0.200      
7 H 0.200      
8 H 0.203      
9 H 0.195      
10 H 0.203      
11 H 0.192      
12 H 0.204      
13 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.420 0.103 0.000 0.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.864 -1.821 0.001
y -1.821 -32.133 -0.001
z 0.001 -0.001 -32.479
Traceless
 xyz
x 1.442 -1.821 0.001
y -1.821 -0.462 -0.001
z 0.001 -0.001 -0.980
Polar
3z2-r2-1.961
x2-y21.269
xy-1.821
xz0.001
yz-0.001


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> 148.447
(<r2>)1/2 12.184