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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-193.862909
Energy at 298.15K-193.869126
HF Energy-193.862909
Nuclear repulsion energy156.886101
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 PBE1PBE/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 3274 3111 2.66      
2 A1 3249 3087 12.15      
3 A1 3057 2905 7.63      
4 A1 1599 1519 2.24      
5 A1 1441 1369 3.56      
6 A1 1425 1354 18.77      
7 A1 1143 1087 0.17      
8 A1 1041 989 0.02      
9 A1 952 904 10.94      
10 A1 814 774 0.04      
11 A2 1134 1078 0.00      
12 A2 961 913 0.00      
13 A2 716 680 0.00      
14 A2 523 497 0.00      
15 B1 3090 2936 7.33      
16 B1 955 908 0.16      
17 B1 925 879 22.46      
18 B1 689 654 64.88      
19 B1 343 326 11.61      
20 B2 3267 3105 20.87      
21 B2 3238 3077 4.08      
22 B2 1681 1598 0.49      
23 B2 1341 1274 1.70      
24 B2 1286 1223 1.59      
25 B2 1125 1069 2.64      
26 B2 994 945 12.44      
27 B2 814 773 7.08      

Unscaled Zero Point Vibrational Energy (zpe) 20537.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19516.7 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 PBE1PBE/6-31G*
ABC
0.28332 0.27591 0.14348

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.878 0.000 1.875
H2 -0.878 0.000 1.875
H3 0.000 2.209 0.613
H4 0.000 -2.209 0.613
H5 0.000 1.346 -1.884
H6 0.000 -1.346 -1.884
C7 0.000 1.176 0.283
C8 0.000 -1.176 0.283
C9 0.000 0.000 1.211
C10 0.000 0.732 -0.989
C11 0.000 -0.732 -0.989

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.75512.69122.69124.08784.08782.16552.16551.10063.08353.0835
H21.75512.69122.69124.08784.08782.16552.16551.10063.08353.0835
H32.69122.69124.41762.64124.34391.08413.40102.28842.17843.3486
H42.69122.69124.41764.34392.64123.40101.08412.28843.34862.1784
H54.08784.08782.64124.34392.69232.17303.32483.37461.08532.2627
H64.08784.08784.34392.64122.69233.32482.17303.37462.26271.0853
C72.16552.16551.08413.40102.17303.32482.35221.49821.34672.2929
C82.16552.16553.40101.08413.32482.17302.35221.49822.29291.3467
C91.10061.10062.28842.28843.37463.37461.49821.49822.31822.3182
C103.08353.08352.17843.34861.08532.26271.34672.29292.31821.4641
C113.08353.08353.34862.17842.26271.08532.29291.34672.31821.4641

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 105.749 H1 C9 C7 111.957
H1 C9 C8 111.957 H2 C9 C7 111.957
H2 C9 C8 111.957 H3 C7 C9 124.000
H3 C7 C10 126.973 H4 C8 C9 124.000
H4 C8 C11 126.973 H5 C10 C7 126.288
H5 C10 C11 124.459 H6 C11 C8 126.288
H6 C11 C10 124.459 C7 C9 C8 103.442
C7 C10 C11 109.253 C8 C11 C10 109.253
C9 C7 C10 109.027 C9 C8 C11 109.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.201      
2 H 0.201      
3 H 0.167      
4 H 0.167      
5 H 0.164      
6 H 0.164      
7 C -0.171      
8 C -0.171      
9 C -0.414      
10 C -0.154      
11 C -0.154      


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 0.478 0.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.223 0.000 0.000
y 0.000 -27.936 0.000
z 0.000 0.000 -26.489
Traceless
 xyz
x -5.010 0.000 0.000
y 0.000 1.420 0.000
z 0.000 0.000 3.590
Polar
3z2-r27.180
x2-y2-4.287
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.634 0.000 0.000
y 0.000 7.896 0.000
z 0.000 0.000 8.790


<r2> (average value of r2) Å2
<r2> 92.357
(<r2>)1/2 9.610