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All results from a given calculation for C5H8 (1,4-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 C2 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-195.027133
Energy at 298.15K-195.034519
Nuclear repulsion energy154.053523
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 3166 3148 12.84      
2 A 3075 3057 3.08      
3 A 3065 3047 6.10      
4 A 2947 2929 20.31      
5 A 1674 1664 1.25      
6 A 1393 1385 5.47      
7 A 1372 1364 0.37      
8 A 1264 1257 0.16      
9 A 1211 1204 0.13      
10 A 1045 1039 1.01      
11 A 991 985 8.52      
12 A 896 891 25.62      
13 A 885 880 7.24      
14 A 663 659 8.75      
15 A 361 359 0.40      
16 A 290 288 0.08      
17 A 87 87 0.01      
18 A 3166 3148 16.18      
19 A 3075 3057 9.43      
20 A 3065 3047 24.16      
21 A 2996 2979 12.85      
22 A 1658 1649 24.73      
23 A 1380 1372 3.27      
24 A 1274 1267 0.57      
25 A 1239 1232 4.77      
26 A 1131 1124 4.51      
27 A 993 987 12.91      
28 A 951 945 2.85      
29 A 894 889 28.11      
30 A 860 855 10.14      
31 A 595 592 9.79      
32 A 441 438 3.17      
33 A 103 103 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24101.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 23961.6 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
0.65573 0.07731 0.07676

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 0.667
C2 0.000 1.254 -0.176
C3 0.000 -1.254 -0.176
C4 0.972 2.182 -0.179
C5 -0.972 -2.182 -0.179
H6 -0.895 -0.010 1.327
H7 0.895 0.010 1.327
H8 -0.871 1.378 -0.844
H9 0.871 -1.378 -0.844
H10 0.916 3.072 -0.823
H11 -0.916 -3.072 -0.823
H12 1.858 2.086 0.469
H13 -1.858 -2.086 0.469

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51031.51032.53382.53381.11281.11282.22252.22253.53513.53512.80072.8007
C21.51032.50731.34383.57042.15802.14641.10502.85172.13674.46902.13593.8760
C31.51032.50733.57041.34382.14642.15802.85171.10504.46902.13673.87602.1359
C42.53381.34383.57044.77703.24952.64432.11763.62311.10035.62001.10265.1619
C52.53383.57041.34384.77702.64433.24953.62312.11765.62001.10035.16191.1026
H61.11282.15802.14643.24952.64431.79102.57693.11554.17193.74203.56532.4440
H71.11282.14642.15802.64433.24951.79103.11552.57693.74204.17192.44403.5653
H82.22251.10502.85172.11763.62312.57693.11553.26112.46254.45093.11053.8341
H92.22252.85171.10503.62312.11763.11552.57693.26114.45092.46253.83413.1105
H103.53512.13674.46901.10035.62004.17193.74202.46254.45096.41181.87925.9979
H113.53514.46902.13675.62001.10033.74204.17194.45092.46256.41185.99791.8792
H122.80072.13593.87601.10265.16193.56532.44403.11053.83411.87925.99795.5874
H132.80073.87602.13595.16191.10262.44403.56533.83413.11055.99791.87925.5874

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 125.088 C1 C2 H8 115.514
C1 C3 C5 125.088 C1 C3 H9 115.514
C2 C1 C3 112.209 C2 C1 H6 109.786
C2 C1 H7 108.882 C2 C4 H10 121.584
C2 C4 H12 121.321 C3 C1 H6 108.882
C3 C1 H7 109.786 C3 C5 H11 121.584
C3 C5 H13 121.321 C4 C2 H8 119.388
C5 C3 H9 119.388 H6 C1 H7 107.168
H10 C4 H12 117.094 H11 C5 H13 117.094
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 0.047      
2 C -0.088      
3 C -0.088      
4 C -0.005      
5 C -0.005      
6 H 0.026      
7 H 0.026      
8 H -0.002      
9 H -0.002      
10 H 0.027      
11 H 0.027      
12 H 0.018      
13 H 0.018      


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 0.112 0.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.924 0.756 0.000
y 0.756 -32.012 0.000
z 0.000 0.000 -32.401
Traceless
 xyz
x 1.283 0.756 0.000
y 0.756 -0.350 0.000
z 0.000 0.000 -0.933
Polar
3z2-r2-1.866
x2-y21.088
xy0.756
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.580 3.162 0.000
y 3.162 11.035 0.000
z 0.000 0.000 6.125


<r2> (average value of r2) Å2
<r2> 160.418
(<r2>)1/2 12.666