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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-193.967666
Energy at 298.15K-193.973754
HF Energy-193.967666
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3189 3127 3.09      
2 A1 3163 3101 25.03      
3 A1 2970 2912 15.22      
4 A1 1529 1499 1.56      
5 A1 1412 1384 7.86      
6 A1 1387 1360 9.21      
7 A1 1116 1094 0.14      
8 A1 1010 991 0.00      
9 A1 915 898 9.22      
10 A1 801 785 0.06      
11 A2 1106 1084 0.00      
12 A2 915 897 0.00      
13 A2 675 662 0.00      
14 A2 505 495 0.00      
15 B1 2998 2939 14.09      
16 B1 912 894 6.26      
17 B1 895 878 10.87      
18 B1 666 653 57.70      
19 B1 335 329 11.01      
20 B2 3183 3121 37.24      
21 B2 3151 3089 6.54      
22 B2 1615 1583 0.19      
23 B2 1298 1273 0.82      
24 B2 1248 1223 1.72      
25 B2 1099 1078 2.12      
26 B2 962 943 11.19      
27 B2 803 787 5.97      

Unscaled Zero Point Vibrational Energy (zpe) 19929.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19538.5 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 B97D3/6-31G*
ABC
0.27954 0.27246 0.14161

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.881 0.000 1.886
H2 -0.881 0.000 1.886
H3 0.000 2.221 0.617
H4 0.000 -2.221 0.617
H5 0.000 1.350 -1.895
H6 0.000 -1.350 -1.895
C7 0.000 1.185 0.285
C8 0.000 -1.185 0.285
C9 0.000 0.000 1.219
C10 0.000 0.735 -0.996
C11 0.000 -0.735 -0.996

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.76232.70612.70614.11114.11112.17852.17851.10533.10223.1022
H21.76232.70612.70614.11114.11112.17852.17851.10533.10223.1022
H32.70612.70614.44262.65884.36641.08803.42262.30162.19273.3677
H42.70612.70614.44264.36642.65883.42261.08802.30163.36772.1927
H54.11114.11112.65884.36642.70012.18653.34383.39461.08962.2712
H64.11114.11114.36642.65882.70013.34382.18653.39462.27121.0896
C72.17852.17851.08803.42262.18653.34382.37031.50911.35732.3083
C82.17852.17853.42261.08803.34382.18652.37031.50912.30831.3573
C91.10531.10532.30162.30163.39463.39461.50911.50912.33382.3338
C103.10223.10222.19273.36771.08962.27121.35732.30832.33381.4707
C113.10223.10223.36772.19272.27121.08962.30831.35732.33381.4707

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 105.812 H1 C9 C7 111.903
H1 C9 C8 111.903 H2 C9 C7 111.903
H2 C9 C8 111.903 H3 C7 C9 124.068
H3 C7 C10 127.081 H4 C8 C9 124.068
H4 C8 C11 127.081 H5 C10 C7 126.247
H5 C10 C11 124.397 H6 C11 C8 126.247
H6 C11 C10 124.397 C7 C9 C8 103.586
C7 C10 C11 109.356 C8 C11 C10 109.356
C9 C7 C10 108.851 C9 C8 C11 108.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173      
2 H 0.173      
3 H 0.133      
4 H 0.133      
5 H 0.129      
6 H 0.129      
7 C -0.139      
8 C -0.139      
9 C -0.354      
10 C -0.119      
11 C -0.119      


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 0.472 0.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.014 0.000 0.000
y 0.000 -28.150 0.000
z 0.000 0.000 -26.711
Traceless
 xyz
x -4.584 0.000 0.000
y 0.000 1.212 0.000
z 0.000 0.000 3.371
Polar
3z2-r26.743
x2-y2-3.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.680 0.000 0.000
y 0.000 8.230 0.000
z 0.000 0.000 8.987


<r2> (average value of r2) Å2
<r2> 93.349
(<r2>)1/2 9.662