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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-195.283969
Energy at 298.15K-195.291294
Nuclear repulsion energy156.951972
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 B3PW91/cc-pVTZ
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 3196 3073 2.18      
2 A 3124 3004 5.32      
3 A 3121 3001 7.98      
4 A 3114 2994 28.60      
5 A 3113 2993 26.90      
6 A 3042 2925 20.39      
7 A 3037 2920 14.34      
8 A 3015 2899 34.02      
9 A 2059 1980 41.91      
10 A 1496 1438 6.59      
11 A 1486 1429 8.26      
12 A 1484 1427 0.61      
13 A 1467 1411 6.51      
14 A 1410 1356 4.90      
15 A 1370 1318 13.16      
16 A 1340 1289 0.80      
17 A 1285 1235 0.07      
18 A 1154 1110 2.05      
19 A 1099 1057 2.52      
20 A 1089 1047 2.74      
21 A 1016 977 0.45      
22 A 1000 961 0.63      
23 A 904 869 15.02      
24 A 873 840 52.76      
25 A 855 823 3.11      
26 A 788 758 3.14      
27 A 638 614 4.00      
28 A 527 506 3.89      
29 A 359 346 3.97      
30 A 338 325 7.82      
31 A 240 231 0.06      
32 A 149 144 0.41      
33 A 105 101 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 24645.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 23699.4 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 B3PW91/cc-pVTZ
ABC
0.34529 0.10644 0.08533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.370 0.505 0.000
C2 1.518 -1.006 -0.000
C3 -0.051 1.005 0.000
C4 -1.122 0.264 -0.001
C5 -2.199 -0.467 0.000
H6 1.881 0.932 -0.870
H7 1.881 0.931 0.871
H8 1.047 -1.449 0.880
H9 2.571 -1.292 -0.000
H10 1.047 -1.449 -0.880
H11 -0.184 2.085 0.000
H12 -2.666 -0.783 0.927
H13 -2.668 -0.783 -0.925

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.51891.50552.50333.69831.09591.09592.16712.16142.16712.21574.33674.3382
C21.51892.55032.92973.75532.15532.15531.09131.09111.09133.52874.29114.2925
C31.50552.55031.30222.60352.12002.11992.82823.48492.82821.08833.30083.3021
C42.50332.92971.30221.30143.19673.19702.90124.00732.90072.04762.08382.0840
C53.69833.75532.60351.30144.39964.39923.50364.84043.50383.25071.08511.0851
H61.09592.15532.12003.19674.39961.74153.06992.48512.52192.52075.18144.8618
H71.09592.15532.11993.19704.39921.74152.52172.48513.06992.52044.85965.1824
H82.16711.09132.82822.90123.50363.06992.52171.76641.75983.84403.77314.1839
H92.16141.09113.48494.00734.84042.48512.48511.76641.76644.35785.34285.3442
H102.16711.09132.82822.90073.50382.52193.06991.75981.76643.84414.18323.7747
H112.21573.52871.08832.04763.25072.52072.52043.84404.35783.84413.90403.9054
H124.33674.29113.30082.08381.08515.18144.85963.77315.34284.18323.90401.8522
H134.33824.29253.30212.08401.08514.86185.18244.18395.34423.77473.90541.8522

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 111.183 C1 C2 H9 110.738
C1 C2 H10 111.185 C1 C3 C4 125.992
C1 C3 H11 116.424 C2 C1 C3 114.960
C2 C1 H6 109.970 C2 C1 H7 109.966
C3 C1 H6 108.127 C3 C1 H7 108.119
C3 C4 C5 179.530 C4 C3 H11 117.584
C4 C5 H12 121.396 C4 C5 H13 121.411
H6 C1 H7 105.226 H8 C2 H9 108.062
H8 C2 H10 107.465 H9 C2 H10 108.062
H12 C5 H13 117.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102 0.000    
2 C -0.290 0.000    
3 C -0.160 0.000    
4 C 0.059 0.000    
5 C -0.343 0.000    
6 H 0.088 0.000    
7 H 0.088 0.000    
8 H 0.099 0.000    
9 H 0.091 0.000    
10 H 0.099 0.000    
11 H 0.130 0.000    
12 H 0.121 0.000    
13 H 0.121 0.000    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.481 0.059 0.001 0.484
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.187 1.924 -0.001
y 1.924 -31.449 0.001
z -0.001 0.001 -31.897
Traceless
 xyz
x 1.486 1.924 -0.001
y 1.924 -0.407 0.001
z -0.001 0.001 -1.079
Polar
3z2-r2-2.159
x2-y21.262
xy1.924
xz-0.001
yz0.001


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> 144.606
(<r2>)1/2 12.025