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

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-193.900891
Energy at 298.15K-193.906987
HF Energy-193.900891
Nuclear repulsion energy156.382982
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/6-311+G(3df,2p)
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 3155 3129 1.83      
2 A1 3130 3105 11.55      
3 A1 2948 2924 6.42      
4 A1 1499 1487 1.10      
5 A1 1361 1350 0.19      
6 A1 1342 1331 30.88      
7 A1 1096 1087 0.15      
8 A1 1003 995 0.18      
9 A1 913 906 12.29      
10 A1 791 784 0.01      
11 A2 1076 1067 0.00      
12 A2 921 913 0.00      
13 A2 685 680 0.00      
14 A2 508 504 0.00      
15 B1 2972 2947 3.02      
16 B1 919 911 0.07      
17 B1 872 865 34.27      
18 B1 658 653 71.94      
19 B1 331 329 8.17      
20 B2 3149 3123 15.50      
21 B2 3120 3094 3.37      
22 B2 1582 1569 0.01      
23 B2 1272 1261 0.96      
24 B2 1216 1206 2.68      
25 B2 1075 1066 2.32      
26 B2 951 943 16.57      
27 B2 789 782 6.29      

Unscaled Zero Point Vibrational Energy (zpe) 19666.4 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 19505.1 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/6-311+G(3df,2p)
ABC
0.28122 0.27457 0.14259

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.880 0.000 1.882
H2 -0.880 0.000 1.882
H3 0.000 2.216 0.616
H4 0.000 -2.216 0.616
H5 0.000 1.350 -1.890
H6 0.000 -1.350 -1.890
C7 0.000 1.180 0.285
C8 0.000 -1.180 0.285
C9 0.000 0.000 1.214
C10 0.000 0.732 -0.993
C11 0.000 -0.732 -0.993

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.75932.69972.69974.10244.10242.17182.17181.10503.09493.0949
H21.75932.69972.69974.10244.10242.17182.17181.10503.09493.0949
H32.69972.69974.43212.65204.35871.08803.41182.29522.18893.3589
H42.69972.69974.43214.35872.65203.41181.08802.29523.35892.1889
H54.10244.10242.65204.35872.69972.18213.33633.38481.08932.2672
H64.10244.10244.35872.65202.69973.33632.18213.38482.26721.0893
C72.17182.17181.08803.41182.18213.33632.35931.50131.35422.2998
C82.17182.17183.41181.08803.33632.18212.35931.50132.29981.3542
C91.10501.10502.29522.29523.38483.38481.50131.50132.32512.3251
C103.09493.09492.18893.35891.08932.26721.35422.29982.32511.4645
C113.09493.09493.35892.18892.26721.08932.29981.35422.32511.4645

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 105.516 H1 C9 C7 111.982
H1 C9 C8 111.982 H2 C9 C7 111.982
H2 C9 C8 111.982 H3 C7 C9 124.078
H3 C7 C10 127.004 H4 C8 C9 124.078
H4 C8 C11 127.004 H5 C10 C7 126.169
H5 C10 C11 124.540 H6 C11 C8 126.169
H6 C11 C10 124.540 C7 C9 C8 103.582
C7 C10 C11 109.291 C8 C11 C10 109.291
C9 C7 C10 108.918 C9 C8 C11 108.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.128      
2 H 0.128      
3 H 0.118      
4 H 0.118      
5 H 0.115      
6 H 0.115      
7 C -0.217      
8 C -0.217      
9 C -0.170      
10 C -0.059      
11 C -0.059      


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 0.540 0.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.295 0.000 0.000
y 0.000 -29.201 0.000
z 0.000 0.000 -27.368
Traceless
 xyz
x -5.010 0.000 0.000
y 0.000 1.131 0.000
z 0.000 0.000 3.879
Polar
3z2-r27.759
x2-y2-4.094
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.352 0.000 0.000
y 0.000 9.809 0.000
z 0.000 0.000 10.227


<r2> (average value of r2) Å2
<r2> 93.496
(<r2>)1/2 9.669