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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-195.257783
Energy at 298.15K-195.265103
Nuclear repulsion energy156.430689
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 mPW1PW91/aug-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 3236 3101 1.88      
2 A 3159 3027 6.94      
3 A 3151 3019 7.21      
4 A 3147 3016 28.83      
5 A 3144 3013 27.39      
6 A 3073 2945 13.65      
7 A 3062 2934 20.30      
8 A 3042 2915 36.90      
9 A 2078 1991 43.83      
10 A 1484 1422 9.26      
11 A 1476 1415 0.55      
12 A 1473 1411 8.76      
13 A 1460 1399 5.05      
14 A 1403 1345 5.41      
15 A 1360 1303 12.15      
16 A 1346 1290 1.59      
17 A 1278 1225 0.14      
18 A 1161 1113 2.56      
19 A 1096 1050 3.12      
20 A 1094 1048 2.73      
21 A 1007 965 1.09      
22 A 1001 960 0.74      
23 A 903 865 15.47      
24 A 881 844 51.02      
25 A 867 831 4.78      
26 A 784 751 2.81      
27 A 635 608 4.67      
28 A 527 505 3.79      
29 A 357 342 4.58      
30 A 319 306 8.70      
31 A 249 238 0.06      
32 A 150 143 0.53      
33 A 108 104 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 24754.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23721.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.34277 0.10599 0.08493

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.378 0.501 -0.001
C2 1.511 -1.013 0.000
C3 -0.041 1.010 0.001
C4 -1.122 0.269 -0.001
C5 -2.208 -0.463 0.000
H6 1.892 0.925 -0.877
H7 1.894 0.926 0.874
H8 1.035 -1.450 0.887
H9 2.567 -1.309 -0.001
H10 1.032 -1.452 -0.884
H11 -0.172 2.096 0.003
H12 -2.677 -0.780 0.932
H13 -2.680 -0.778 -0.931

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52011.50692.51013.71291.10121.10122.17112.16582.17122.22344.35384.3553
C21.52012.54952.92813.75912.16112.16111.09711.09661.09713.53514.29714.2997
C31.50692.54951.31042.62032.12462.12462.82753.48942.82721.09403.32013.3215
C42.51012.92811.31041.31003.20623.20812.89734.01182.89452.05922.09552.0957
C53.71293.75912.62031.31004.41634.41823.50354.84893.50043.27051.09061.0906
H61.10122.16112.12463.20624.41631.75173.08022.49242.52752.53065.20184.8792
H71.10122.16112.12463.20814.41821.75172.52712.49273.08032.52904.87995.2046
H82.17111.09712.82752.89733.50353.08022.52711.77641.77023.84893.77254.1900
H92.16581.09663.48944.01184.84892.49242.49271.77641.77644.36945.35295.3550
H102.17121.09712.82722.89453.50042.52753.08031.77021.77643.84984.18403.7727
H112.22343.53511.09402.05923.27052.53062.52903.84894.36943.84983.92623.9277
H124.35384.29713.32012.09551.09065.20184.87993.77255.35294.18403.92621.8631
H134.35534.29973.32152.09571.09064.87925.20464.19005.35503.77273.92771.8631

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 111.079 C1 C2 H9 110.681
C1 C2 H10 111.087 C1 C3 C4 125.845
C1 C3 H11 116.593 C2 C1 C3 114.757
C2 C1 H6 110.036 C2 C1 H7 110.040
C3 C1 H6 108.091 C3 C1 H7 108.093
C3 C4 C5 179.553 C4 C3 H11 117.562
C4 C5 H12 121.327 C4 C5 H13 121.340
H6 C1 H7 105.380 H8 C2 H9 108.150
H8 C2 H10 107.563 H9 C2 H10 108.149
H12 C5 H13 117.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.435      
2 C 0.431      
3 C 0.909      
4 C -0.599      
5 C 0.575      
6 H -0.122      
7 H -0.122      
8 H -0.058      
9 H -0.182      
10 H -0.058      
11 H -0.528      
12 H -0.340      
13 H -0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.505 0.049 0.001 0.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.416 1.991 0.000
y 1.991 -31.736 0.001
z 0.000 0.001 -32.143
Traceless
 xyz
x 1.523 1.991 0.000
y 1.991 -0.456 0.001
z 0.000 0.001 -1.067
Polar
3z2-r2-2.134
x2-y21.319
xy1.991
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.790 1.892 0.001
y 1.892 9.284 0.001
z 0.001 0.001 7.244


<r2> (average value of r2) Å2
<r2> 145.381
(<r2>)1/2 12.057