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

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-195.365817
Energy at 298.15K-195.373155
Nuclear repulsion energy156.660511
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 B3LYP/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 3182 3076 3.17      
2 A 3114 3010 5.41      
3 A 3110 3006 10.45      
4 A 3096 2993 31.03      
5 A 3096 2993 33.64      
6 A 3034 2933 20.83      
7 A 3020 2919 17.11      
8 A 3004 2904 35.24      
9 A 2048 1979 39.69      
10 A 1505 1454 5.29      
11 A 1496 1446 7.46      
12 A 1493 1443 0.73      
13 A 1477 1428 4.98      
14 A 1420 1372 4.08      
15 A 1382 1336 14.94      
16 A 1341 1296 1.09      
17 A 1292 1249 0.12      
18 A 1154 1116 1.28      
19 A 1107 1070 2.36      
20 A 1088 1052 2.84      
21 A 1027 992 0.50      
22 A 999 966 0.36      
23 A 908 877 14.55      
24 A 880 850 51.45      
25 A 844 815 2.38      
26 A 793 767 2.79      
27 A 639 617 4.02      
28 A 529 511 3.58      
29 A 362 350 3.66      
30 A 337 326 7.20      
31 A 242 234 0.05      
32 A 152 146 0.39      
33 A 104 100 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 24636.3 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 23813.5 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 B3LYP/cc-pVTZ
ABC
0.34486 0.10562 0.08476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.369 0.511 0.001
C2 1.532 -1.005 -0.000
C3 -0.059 1.004 -0.000
C4 -1.129 0.262 -0.001
C5 -2.204 -0.471 0.000
H6 1.878 0.939 -0.869
H7 1.877 0.938 0.871
H8 1.067 -1.453 0.879
H9 2.588 -1.278 0.000
H10 1.068 -1.451 -0.880
H11 -0.191 2.083 -0.001
H12 -2.672 -0.789 0.925
H13 -2.674 -0.791 -0.923

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52431.51092.51073.70631.09491.09492.17172.16402.17172.21544.34494.3466
C21.52432.56252.94763.77472.15762.15761.09051.09041.09053.53644.31074.3115
C31.51092.56251.30212.60382.12362.12352.84153.49432.84131.08723.30143.3029
C42.51072.94761.30211.30183.20213.20182.92204.02342.92202.04792.08422.0844
C53.70633.77472.60381.30184.40584.40463.52694.85993.52823.25211.08391.0839
H61.09492.15762.12363.20214.40581.74083.07152.48512.52422.51865.18744.8695
H71.09492.15762.12353.20184.40461.74082.52422.48523.07142.51914.86595.1879
H82.17171.09052.84152.92203.52693.07152.52421.76501.75913.85443.79844.2049
H92.16401.09043.49434.02344.85992.48512.48521.76501.76504.36095.36345.3644
H102.17171.09052.84132.92203.52822.52423.07141.75911.76503.85394.20623.8004
H112.21543.53641.08722.04793.25212.51862.51913.85444.36093.85393.90603.9076
H124.34494.31073.30142.08421.08395.18744.86593.79845.36344.20623.90601.8483
H134.34664.31153.30292.08441.08394.86955.18794.20495.36443.80043.90761.8483

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 111.227 C1 C2 H9 110.612
C1 C2 H10 111.222 C1 C3 C4 126.231
C1 C3 H11 116.055 C2 C1 C3 115.187
C2 C1 H6 109.840 C2 C1 H7 109.840
C3 C1 H6 108.101 C3 C1 H7 108.097
C3 C4 C5 179.566 C4 C3 H11 117.713
C4 C5 H12 121.494 C4 C5 H13 121.514
H6 C1 H7 105.295 H8 C2 H9 108.055
H8 C2 H10 107.528 H9 C2 H10 108.055
H12 C5 H13 116.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.111     0.258
2 C -0.301     -0.271
3 C -0.142     -0.299
4 C 0.071     0.126
5 C -0.363     -0.524
6 H 0.092     -0.016
7 H 0.092     -0.016
8 H 0.099     0.076
9 H 0.095     0.052
10 H 0.099     0.076
11 H 0.129     0.129
12 H 0.120     0.204
13 H 0.120     0.204


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.469 0.072 0.002 0.475
CHELPG        
AIM        
ESP 0.427 0.060 0.001 0.431


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.707 1.859 -0.002
y 1.859 -31.890 0.000
z -0.002 0.000 -32.272
Traceless
 xyz
x 1.375 1.859 -0.002
y 1.859 -0.401 0.000
z -0.002 0.000 -0.974
Polar
3z2-r2-1.948
x2-y21.183
xy1.859
xz-0.002
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.213 2.110 0.001
y 2.110 8.651 -0.002
z 0.001 -0.002 6.556


<r2> (average value of r2) Å2
<r2> 145.651
(<r2>)1/2 12.069