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All results from a given calculation for C5H6 (1,3-Cyclopentadiene)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-194.101062
Energy at 298.15K-194.107268
HF Energy-194.101062
Nuclear repulsion energy156.396852
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 B3LYPultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3244 3108 2.97      
2 A1 3220 3084 16.61      
3 A1 3027 2900 11.71      
4 A1 1576 1509 1.74      
5 A1 1448 1387 7.77      
6 A1 1419 1359 9.53      
7 A1 1140 1093 0.15      
8 A1 1022 979 0.02      
9 A1 931 892 8.97      
10 A1 813 779 0.03      
11 A2 1132 1084 0.00      
12 A2 956 916 0.00      
13 A2 711 681 0.00      
14 A2 521 499 0.00      
15 B1 3051 2923 12.49      
16 B1 950 910 0.42      
17 B1 931 892 17.65      
18 B1 688 659 55.86      
19 B1 349 335 9.62      
20 B2 3238 3102 27.81      
21 B2 3209 3074 4.86      
22 B2 1663 1593 0.33      
23 B2 1331 1276 0.79      
24 B2 1282 1229 1.57      
25 B2 1125 1077 1.88      
26 B2 978 937 10.72      
27 B2 814 779 6.12      

Unscaled Zero Point Vibrational Energy (zpe) 20384.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 19527.9 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 B3LYPultrafine/6-31G*
ABC
0.28153 0.27387 0.14247

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.878 0.000 1.882
H2 -0.878 0.000 1.882
H3 0.000 2.214 0.611
H4 0.000 -2.214 0.611
H5 0.000 1.347 -1.888
H6 0.000 -1.347 -1.888
C7 0.000 1.181 0.282
C8 0.000 -1.181 0.282
C9 0.000 0.000 1.218
C10 0.000 0.735 -0.991
C11 0.000 -0.735 -0.991

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.75582.69982.69984.09834.09832.17432.17431.10103.09303.0930
H21.75582.69982.69984.09834.09832.17432.17431.10103.09303.0930
H32.69982.69984.42832.64484.35021.08413.41142.29572.18053.3563
H42.69982.69984.42834.35022.64483.41141.08412.29573.35632.1805
H54.09834.09832.64484.35022.69402.17553.33133.38481.08542.2669
H64.09834.09834.35022.64482.69403.33132.17553.38482.26691.0854
C72.17432.17431.08413.41142.17553.33132.36261.50721.34872.3006
C82.17432.17433.41141.08413.33132.17552.36261.50722.30061.3487
C91.10101.10102.29572.29573.38483.38481.50721.50722.32792.3279
C103.09303.09302.18053.35631.08542.26691.34872.30062.32791.4702
C113.09303.09303.35632.18052.26691.08542.30061.34872.32791.4702

picture of 1,3-Cyclopentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C9 H2 105.752 H1 C9 C7 112.013
H1 C9 C8 112.013 H2 C9 C7 112.013
H2 C9 C8 112.013 H3 C7 C9 123.923
H3 C7 C10 127.006 H4 C8 C9 123.923
H4 C8 C11 127.006 H5 C10 C7 126.363
H5 C10 C11 124.318 H6 C11 C8 126.363
H6 C11 C10 124.318 C7 C9 C8 103.218
C7 C10 C11 109.320 C8 C11 C10 109.320
C9 C7 C10 109.071 C9 C8 C11 109.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.167      
2 H 0.167      
3 H 0.129      
4 H 0.129      
5 H 0.125      
6 H 0.125      
7 C -0.134      
8 C -0.134      
9 C -0.346      
10 C -0.115      
11 C -0.115      


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 0.437 0.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.623 0.000 0.000
y 0.000 7.961 0.000
z 0.000 0.000 8.830


<r2> (average value of r2) Å2
<r2> 92.967
(<r2>)1/2 9.642