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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-194.246657
Energy at 298.15K-194.253617
Nuclear repulsion energy153.113504
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 LSDA/cc-pVTZ
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 3067 3034 5.51      
2 A 3036 3002 2.79      
3 A 3018 2985 8.18      
4 A 2959 2927 5.38      
5 A 1468 1452 3.38      
6 A 1402 1387 7.91      
7 A 1386 1371 1.23      
8 A 1329 1314 6.05      
9 A 1137 1124 0.24      
10 A 1051 1039 0.81      
11 A 1006 995 0.00      
12 A 865 856 25.20      
13 A 818 809 0.02      
14 A 533 527 4.42      
15 A 288 285 1.37      
16 A 182 180 0.00      
17 A 133 132 2.26      
18 A 3067 3034 12.24      
19 A 3033 3000 2.06      
20 A 3018 2985 8.03      
21 A 2959 2926 46.47      
22 A 2052 2030 15.15      
23 A 1413 1397 14.56      
24 A 1402 1386 8.42      
25 A 1327 1313 4.47      
26 A 1246 1232 18.07      
27 A 1084 1072 0.88      
28 A 1003 992 0.43      
29 A 947 937 23.94      
30 A 687 679 18.67      
31 A 555 549 15.60      
32 A 223 221 0.68      
33 A 159 158 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 23926.1 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 23665.3 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 LSDA/cc-pVTZ
ABC
0.58611 0.07555 0.07310

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.409
C2 0.000 1.301 0.406
C3 0.000 -1.301 0.406
C4 -0.862 2.152 -0.453
C5 0.862 -2.152 -0.453
H6 0.685 1.818 1.091
H7 -0.685 -1.818 1.091
H8 -1.504 2.808 0.156
H9 -0.257 2.812 -1.094
H10 -1.507 1.542 -1.098
H11 1.504 -2.808 0.156
H12 0.257 -2.812 -1.094
H13 1.507 -1.542 -1.098

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30141.30142.47312.47312.05902.05903.19563.19882.63013.19563.19882.6301
C21.30142.60271.48473.66161.09793.26612.14362.14462.14254.38334.38613.5521
C31.30142.60273.66161.48473.26611.09794.38334.38613.55212.14362.14462.1425
C42.47311.48473.66164.63652.21124.26321.10141.10131.09735.52925.12894.4355
C52.47313.66161.48474.63654.26322.21125.52925.12894.43551.10141.10131.0973
H62.05901.09793.26612.21124.26323.88522.57852.57923.11014.79015.13754.0933
H72.05903.26611.09794.26322.21123.88524.79015.13754.09332.57852.57923.1101
H83.19562.14364.38331.10145.52922.57854.79011.76551.78166.37126.02095.4370
H93.19882.14464.38611.10135.12892.57925.13751.76551.78196.02095.64754.6978
H102.63012.14253.55211.09734.43553.11014.09331.78161.78195.43704.69784.3121
H113.19564.38332.14365.52921.10144.79012.57856.37126.02095.43701.76551.7816
H123.19884.38612.14465.12891.10135.13752.57926.02095.64754.69781.76551.7819
H132.63013.55212.14254.43551.09734.09333.11015.43704.69784.31211.78161.7819

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 125.034 C1 C2 H6 117.979
C1 C3 C5 125.034 C1 C3 H7 117.979
C2 C1 C3 179.790 C2 C4 H8 111.109
C2 C4 H9 111.193 C2 C4 H10 111.266
C3 C5 H11 111.109 C3 C5 H12 111.193
C3 C5 H13 111.266 C4 C2 H6 116.987
C5 C3 H7 116.987 H8 C4 H9 106.552
H8 C4 H10 108.254 H9 C4 H10 108.285
H11 C5 H12 106.552 H11 C5 H13 108.254
H12 C5 H13 108.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.043      
2 C -0.200      
3 C -0.200      
4 C -0.308      
5 C -0.308      
6 H 0.135      
7 H 0.135      
8 H 0.119      
9 H 0.118      
10 H 0.114      
11 H 0.119      
12 H 0.118      
13 H 0.114      


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 -0.241 0.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.320 -0.284 0.000
y -0.284 -27.865 0.000
z 0.000 0.000 -32.524
Traceless
 xyz
x -2.125 -0.284 0.000
y -0.284 4.557 0.000
z 0.000 0.000 -2.431
Polar
3z2-r2-4.863
x2-y2-4.455
xy-0.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.347 -1.270 0.000
y -1.270 14.857 0.000
z 0.000 0.000 7.202


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000