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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-195.022392
Energy at 298.15K-195.029298
Nuclear repulsion energy150.923645
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 PBEPBE/cc-pVDZ
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 3076 3058 10.19      
2 A 3041 3024 6.55      
3 A 3021 3004 16.63      
4 A 2960 2943 7.99      
5 A 1454 1446 2.63      
6 A 1403 1394 5.27      
7 A 1381 1373 0.53      
8 A 1332 1325 1.11      
9 A 1132 1125 0.22      
10 A 1046 1040 1.19      
11 A 1001 995 0.06      
12 A 860 855 19.71      
13 A 808 803 0.03      
14 A 521 518 2.99      
15 A 283 281 1.27      
16 A 180 179 0.02      
17 A 133 132 1.73      
18 A 3076 3058 23.70      
19 A 3040 3022 7.49      
20 A 3022 3004 16.53      
21 A 2959 2942 74.46      
22 A 2027 2015 9.16      
23 A 1411 1403 8.19      
24 A 1402 1394 5.62      
25 A 1330 1322 4.45      
26 A 1247 1240 22.77      
27 A 1068 1062 1.37      
28 A 997 991 0.20      
29 A 940 934 19.64      
30 A 677 673 16.39      
31 A 551 547 11.23      
32 A 221 220 0.46      
33 A 158 157 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 23876.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 23738.5 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 PBEPBE/cc-pVDZ
ABC
0.57274 0.07311 0.07075

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.414
C2 0.000 1.321 0.411
C3 0.000 -1.321 0.411
C4 -0.875 2.190 -0.459
C5 0.875 -2.190 -0.459
H6 0.690 1.843 1.102
H7 -0.690 -1.843 1.102
H8 -1.518 2.852 0.160
H9 -0.259 2.857 -1.101
H10 -1.528 1.583 -1.113
H11 1.518 -2.852 0.160
H12 0.259 -2.857 -1.101
H13 1.528 -1.583 -1.113

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.32121.32122.51492.51492.08502.08503.24043.24382.67833.24043.24382.6783
C21.32122.64241.50933.72211.10683.31162.17012.17072.17454.44754.45073.6186
C31.32122.64243.72211.50933.31161.10684.44754.45073.61862.17012.17072.1745
C42.51491.50933.72214.71712.23694.32931.11131.11121.10655.61525.21254.5211
C52.51493.72211.50934.71714.32932.23695.61525.21254.52111.11131.11121.1065
H62.08501.10683.31162.23694.32933.93622.60302.60383.14554.85975.20854.1655
H72.08503.31161.10684.32932.23693.93624.85975.20854.16552.60302.60383.1455
H83.24042.17014.44751.11135.61522.60304.85971.78211.79796.46106.11025.5288
H93.24382.17074.45071.11125.21252.60385.20851.78211.79816.11025.73684.7859
H102.67832.17453.61861.10654.52113.14554.16551.79791.79815.52884.78594.4006
H113.24044.44752.17015.61521.11134.85972.60306.46106.11025.52881.78211.7979
H123.24384.45072.17075.21251.11125.20852.60386.11025.73684.78591.78211.7981
H132.67833.61862.17454.52111.10654.16553.14555.52884.78594.40061.79791.7981

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 125.237 C1 C2 H6 118.074
C1 C3 C5 125.237 C1 C3 H7 118.074
C2 C1 C3 179.793 C2 C4 H8 110.889
C2 C4 H9 110.944 C2 C4 H10 111.541
C3 C5 H11 110.889 C3 C5 H12 110.944
C3 C5 H13 111.541 C4 C2 H6 116.688
C5 C3 H7 116.688 H8 C4 H9 106.613
H8 C4 H10 108.325 H9 C4 H10 108.350
H11 C5 H12 106.613 H11 C5 H13 108.325
H12 C5 H13 108.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.245      
2 C -0.261      
3 C -0.261      
4 C -0.009      
5 C -0.009      
6 H 0.024      
7 H 0.024      
8 H 0.047      
9 H 0.047      
10 H 0.030      
11 H 0.047      
12 H 0.047      
13 H 0.030      


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 -0.221 0.221
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.015 -0.310 0.000
y -0.310 -27.706 0.000
z 0.000 0.000 -32.205
Traceless
 xyz
x -2.060 -0.310 0.000
y -0.310 4.404 0.000
z 0.000 0.000 -2.344
Polar
3z2-r2-4.689
x2-y2-4.310
xy-0.310
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.487 -1.236 0.000
y -1.236 14.393 0.000
z 0.000 0.000 6.351


<r2> (average value of r2) Å2
<r2> 174.566
(<r2>)1/2 13.212