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

using model chemistry: B3LYPultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-194.119812
Energy at 298.15K-194.126019
Nuclear repulsion energy156.314988
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/6-31+G**
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 3240 3119 2.41      
2 A1 3216 3096 13.17      
3 A1 3021 2909 10.28      
4 A1 1555 1497 1.77      
5 A1 1418 1366 5.13      
6 A1 1403 1351 19.28      
7 A1 1132 1090 0.31      
8 A1 1018 980 0.26      
9 A1 927 893 11.29      
10 A1 811 781 0.01      
11 A2 1119 1077 0.00      
12 A2 954 919 0.00      
13 A2 711 684 0.00      
14 A2 521 502 0.00      
15 B1 3047 2934 7.32      
16 B1 952 917 0.09      
17 B1 918 884 34.82      
18 B1 681 655 87.35      
19 B1 345 332 8.16      
20 B2 3234 3114 20.49      
21 B2 3206 3087 3.81      
22 B2 1640 1579 0.09      
23 B2 1321 1271 0.98      
24 B2 1270 1223 1.90      
25 B2 1116 1074 2.82      
26 B2 972 935 15.59      
27 B2 813 783 6.67      

Unscaled Zero Point Vibrational Energy (zpe) 20280.8 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 19524.4 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 B3LYPultrafine/6-31+G**
ABC
0.28097 0.27383 0.14232

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.879 0.000 1.881
H2 -0.879 0.000 1.881
H3 0.000 2.214 0.610
H4 0.000 -2.214 0.610
H5 0.000 1.349 -1.887
H6 0.000 -1.349 -1.887
C7 0.000 1.181 0.283
C8 0.000 -1.181 0.283
C9 0.000 0.000 1.218
C10 0.000 0.735 -0.993
C11 0.000 -0.735 -0.993

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.75722.70012.70014.09754.09752.17262.17261.10053.09393.0939
H21.75722.70012.70014.09754.09752.17262.17261.10053.09393.0939
H32.70012.70014.42902.64294.35151.08363.41162.29642.18193.3569
H42.70012.70014.42904.35152.64293.41161.08362.29643.35692.1819
H54.09754.09752.64294.35152.69822.17673.33373.38561.08472.2675
H64.09754.09754.35152.64292.69823.33372.17673.38562.26751.0847
C72.17262.17261.08363.41162.17673.33372.36281.50661.35232.3023
C82.17262.17263.41161.08363.33372.17672.36281.50662.30231.3523
C91.10051.10052.29642.29643.38563.38561.50661.50662.33022.3302
C103.09393.09392.18193.35691.08472.26751.35232.30232.33021.4694
C113.09393.09393.35692.18192.26751.08472.30231.35232.33021.4694

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 105.940 H1 C9 C7 111.945
H1 C9 C8 111.945 H2 C9 C7 111.945
H2 C9 C8 111.945 H3 C7 C9 124.080
H3 C7 C10 126.851 H4 C8 C9 124.080
H4 C8 C11 126.851 H5 C10 C7 126.209
H5 C10 C11 124.503 H6 C11 C8 126.209
H6 C11 C10 124.503 C7 C9 C8 103.286
C7 C10 C11 109.288 C8 C11 C10 109.288
C9 C7 C10 109.069 C9 C8 C11 109.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.169      
2 H 0.169      
3 H 0.128      
4 H 0.128      
5 H 0.123      
6 H 0.123      
7 C -0.061      
8 C -0.061      
9 C -0.482      
10 C -0.118      
11 C -0.118      


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 0.515 0.515
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.563 0.000 0.000
y 0.000 -29.309 -0.011
z 0.000 -0.011 -27.462
Traceless
 xyz
x -5.177 0.000 0.000
y 0.000 1.204 -0.011
z 0.000 -0.011 3.974
Polar
3z2-r27.947
x2-y2-4.254
xy0.000
xz0.000
yz-0.011


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.862 0.000 0.000
y 0.000 9.152 -0.002
z 0.000 -0.002 9.876


<r2> (average value of r2) Å2
<r2> 93.670
(<r2>)1/2 9.678