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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-194.071597
Energy at 298.15K-194.077859
Nuclear repulsion energy155.259155
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 B3LYP/LANL2DZ
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 3265 3139 5.02      
2 A1 3230 3104 12.22      
3 A1 3037 2919 13.37      
4 A1 1553 1493 1.04      
5 A1 1446 1390 27.60      
6 A1 1404 1349 11.58      
7 A1 1136 1092 0.60      
8 A1 1027 988 0.41      
9 A1 931 895 17.04      
10 A1 819 787 0.04      
11 A2 1122 1078 0.00      
12 A2 983 945 0.00      
13 A2 740 712 0.00      
14 A2 533 512 0.00      
15 B1 3077 2958 19.14      
16 B1 979 941 0.31      
17 B1 932 896 30.45      
18 B1 699 672 129.56      
19 B1 358 345 13.02      
20 B2 3250 3124 32.13      
21 B2 3219 3094 3.11      
22 B2 1628 1565 0.13      
23 B2 1324 1273 1.75      
24 B2 1279 1229 5.14      
25 B2 1122 1078 3.76      
26 B2 991 953 20.70      
27 B2 823 791 5.33      

Unscaled Zero Point Vibrational Energy (zpe) 20453.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19659.7 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 B3LYP/LANL2DZ
ABC
0.27637 0.27052 0.14028

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.882 0.000 1.890
H2 -0.882 0.000 1.890
H3 0.000 2.223 0.615
H4 0.000 -2.223 0.615
H5 0.000 1.354 -1.897
H6 0.000 -1.354 -1.897
C7 0.000 1.190 0.286
C8 0.000 -1.190 0.286
C9 0.000 0.000 1.230
C10 0.000 0.740 -1.003
C11 0.000 -0.740 -1.003

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.76422.71022.71024.11744.11742.18262.18261.10183.11293.1129
H21.76422.71022.71024.11744.11742.18262.18261.10183.11293.1129
H32.71022.71024.44652.65884.37141.08473.42862.30662.19513.3758
H42.71022.71024.44654.37142.65883.42861.08472.30663.37582.1951
H54.11744.11742.65884.37142.70772.19003.35233.40751.08542.2767
H64.11744.11744.37142.65882.70773.35232.19003.40752.27671.0854
C72.18262.18261.08473.42862.19003.35232.37911.51811.36522.3201
C82.18262.18263.42861.08473.35232.19002.37911.51812.32011.3652
C91.10181.10182.30662.30663.40753.40751.51811.51812.35142.3514
C103.11293.11292.19513.37581.08542.27671.36522.32012.35141.4792
C113.11293.11293.37582.19512.27671.08542.32011.36522.35141.4792

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 106.380 H1 C9 C7 111.854
H1 C9 C8 111.854 H2 C9 C7 111.854
H2 C9 C8 111.854 H3 C7 C9 123.942
H3 C7 C10 126.892 H4 C8 C9 123.942
H4 C8 C11 126.892 H5 C10 C7 126.288
H5 C10 C11 124.467 H6 C11 C8 126.288
H6 C11 C10 124.467 C7 C9 C8 103.181
C7 C10 C11 109.244 C8 C11 C10 109.244
C9 C7 C10 109.165 C9 C8 C11 109.165
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.219      
2 H 0.219      
3 H 0.231      
4 H 0.231      
5 H 0.234      
6 H 0.234      
7 C -0.239      
8 C -0.239      
9 C -0.435      
10 C -0.227      
11 C -0.227      


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 0.575 0.575
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.166 0.000 0.000
y 0.000 -28.024 0.000
z 0.000 0.000 -26.348
Traceless
 xyz
x -5.980 0.000 0.000
y 0.000 1.733 0.000
z 0.000 0.000 4.247
Polar
3z2-r28.494
x2-y2-5.142
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.736 0.000 0.000
y 0.000 7.975 0.000
z 0.000 0.000 8.812


<r2> (average value of r2) Å2
<r2> 94.088
(<r2>)1/2 9.700