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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-194.013620
Energy at 298.15K-194.021015
HF Energy-194.013620
Nuclear repulsion energy153.331533
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 HF/Def2TZVPP
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 3278 2971 13.66      
2 A 3277 2970 28.24      
3 A 3244 2940 7.21      
4 A 3244 2940 20.57      
5 A 3203 2903 31.73      
6 A 3203 2903 31.53      
7 A 3159 2863 9.45      
8 A 3158 2862 97.42      
9 A 2201 1995 32.72      
10 A 1630 1478 4.15      
11 A 1610 1459 7.89      
12 A 1601 1451 5.00      
13 A 1600 1450 5.40      
14 A 1569 1422 0.03      
15 A 1532 1389 1.10      
16 A 1532 1388 9.38      
17 A 1420 1287 30.85      
18 A 1240 1124 0.16      
19 A 1187 1076 3.40      
20 A 1185 1074 3.15      
21 A 1163 1054 2.26      
22 A 1162 1053 3.04      
23 A 1017 922 9.83      
24 A 996 902 23.70      
25 A 878 796 0.11      
26 A 792 718 15.94      
27 A 623 565 17.08      
28 A 591 536 7.51      
29 A 324 293 0.92      
30 A 252 228 1.34      
31 A 185 168 0.13      
32 A 167 151 1.28      
33 A 152 138 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 26185.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 23734.1 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 HF/Def2TZVPP
ABC
0.58404 0.07545 0.07292

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.228
C2 0.000 1.300 0.364
C3 0.000 -1.300 0.364
C4 0.697 2.462 -0.387
C5 -0.697 -2.462 -0.387
H6 0.699 1.574 1.158
H7 -0.699 -1.574 1.158
H8 0.411 3.405 0.057
H9 1.770 2.343 -0.322
H10 0.421 2.474 -1.437
H11 -0.411 -3.405 0.057
H12 -1.770 -2.343 -0.322
H13 -0.421 -2.474 -1.437

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30731.30732.63142.63141.95701.95703.43442.98723.01223.43442.98723.0122
C21.30732.60051.54843.89881.09303.06272.16672.16532.19034.73354.10774.2032
C31.30732.60053.89881.54843.06271.09304.73354.10774.20322.16672.16532.1903
C42.63141.54843.89885.11671.78194.54101.08141.08171.08545.98735.40105.1688
C52.63143.89881.54845.11674.54101.78195.98735.40105.16881.08141.08171.0854
H61.95701.09303.06271.78194.54103.44432.15621.98162.76065.21884.86054.9372
H71.95703.06271.09304.54101.78193.44435.21884.86054.93722.15621.98162.7606
H83.43442.16674.73351.08145.98732.15625.21881.76601.76046.86026.15976.1235
H92.98722.16534.10771.08175.40101.98164.86051.76601.75486.15975.87225.4082
H103.01222.19034.20321.08545.16882.76064.93721.76041.75486.12355.40825.0200
H113.43444.73352.16675.98731.08145.21882.15626.86026.15976.12351.76601.7604
H122.98724.10772.16535.40101.08174.86051.98166.15975.87225.40821.76601.7548
H133.01224.20322.19035.16881.08544.93722.76066.12355.40825.02001.76041.7548

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 134.102 C1 C2 H6 108.908
C1 C3 C5 134.102 C1 C3 H7 108.908
C2 C1 C3 168.131 C2 C4 H8 109.671
C2 C4 H9 109.549 C2 C4 H10 111.314
C3 C5 H11 109.671 C3 C5 H12 109.549
C3 C5 H13 111.314 C4 C2 H6 82.921
C5 C3 H7 82.921 H8 C4 H9 109.453
H8 C4 H10 108.674 H9 C4 H10 108.145
H11 C5 H12 109.453 H11 C5 H13 108.674
H12 C5 H13 108.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 C -0.117      
3 C -0.117      
4 C -0.122      
5 C -0.122      
6 H 0.064      
7 H 0.064      
8 H 0.060      
9 H 0.060      
10 H 0.069      
11 H 0.060      
12 H 0.060      
13 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 -0.214 -0.000 0.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.639 0.000 1.156
y 0.000 -32.793 -0.000
z 1.156 -0.000 -32.274
Traceless
 xyz
x 3.894 0.000 1.156
y 0.000 -2.336 -0.000
z 1.156 -0.000 -1.558
Polar
3z2-r2-3.116
x2-y24.154
xy0.000
xz1.156
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.047 0.000 1.215
y 0.000 6.858 0.000
z 1.215 0.000 7.015


<r2> (average value of r2) Å2
<r2> 170.142
(<r2>)1/2 13.044