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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-194.004693
Energy at 298.15K-194.010934
HF Energy-194.004693
Nuclear repulsion energy156.753841
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 M06-2X/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 3282 3108 4.90      
2 A1 3258 3085 5.90      
3 A1 3073 2910 5.84      
4 A1 1615 1530 2.89      
5 A1 1450 1373 5.82      
6 A1 1424 1349 13.70      
7 A1 1143 1082 0.08      
8 A1 1032 978 0.00      
9 A1 949 898 9.62      
10 A1 813 770 0.02      
11 A2 1141 1081 0.00      
12 A2 986 934 0.00      
13 A2 736 697 0.00      
14 A2 525 497 0.00      
15 B1 3108 2943 7.02      
16 B1 982 930 0.01      
17 B1 935 885 25.27      
18 B1 696 659 59.48      
19 B1 343 325 9.69      
20 B2 3273 3100 20.15      
21 B2 3251 3079 0.94      
22 B2 1696 1606 0.44      
23 B2 1343 1272 1.78      
24 B2 1289 1220 1.17      
25 B2 1125 1065 1.94      
26 B2 993 941 9.81      
27 B2 812 769 6.56      

Unscaled Zero Point Vibrational Energy (zpe) 20636.7 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 19543.0 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 M06-2X/6-31G*
ABC
0.28307 0.27488 0.14315

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.883 0.000 1.863
H2 -0.883 0.000 1.863
H3 0.000 2.209 0.620
H4 0.000 -2.209 0.620
H5 0.000 1.340 -1.884
H6 0.000 -1.340 -1.884
C7 0.000 1.180 0.280
C8 0.000 -1.180 0.280
C9 0.000 0.000 1.210
C10 0.000 0.735 -0.985
C11 0.000 -0.735 -0.985

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.76512.68392.68394.07624.07622.16272.16271.09763.07083.0708
H21.76512.68392.68394.07624.07622.16272.16271.09763.07083.0708
H32.68392.68394.41772.65074.34301.08303.40632.28652.17843.3532
H42.68392.68394.41774.34302.65073.40631.08302.28653.35322.1784
H54.07624.07622.65074.34302.67912.17043.32213.37221.08352.2616
H64.07624.07624.34302.65072.67913.32212.17043.37222.26161.0835
C72.16272.16271.08303.40632.17043.32212.36091.50291.34112.2959
C82.16272.16273.40631.08303.32212.17042.36091.50292.29591.3411
C91.09761.09762.28652.28653.37223.37221.50291.50292.31522.3152
C103.07083.07082.17843.35321.08352.26161.34112.29592.31521.4710
C113.07083.07083.35322.17842.26161.08352.29591.34112.31521.4710

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 107.044 H1 C9 C7 111.589
H1 C9 C8 111.589 H2 C9 C7 111.589
H2 C9 C8 111.589 H3 C7 C9 123.493
H3 C7 C10 127.649 H4 C8 C9 123.493
H4 C8 C11 127.649 H5 C10 C7 126.738
H5 C10 C11 123.883 H6 C11 C8 126.738
H6 C11 C10 123.883 C7 C9 C8 103.528
C7 C10 C11 109.379 C8 C11 C10 109.379
C9 C7 C10 108.858 C9 C8 C11 108.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.189      
2 H 0.189      
3 H 0.161      
4 H 0.161      
5 H 0.160      
6 H 0.160      
7 C -0.169      
8 C -0.169      
9 C -0.386      
10 C -0.148      
11 C -0.148      


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 0.443 0.443
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.367 0.000 0.000
y 0.000 -28.159 0.000
z 0.000 0.000 -26.790
Traceless
 xyz
x -4.893 0.000 0.000
y 0.000 1.419 0.000
z 0.000 0.000 3.473
Polar
3z2-r26.947
x2-y2-4.208
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.632 0.000 0.000
y 0.000 7.779 0.000
z 0.000 0.000 8.769


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000