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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-194.071737
Energy at 298.15K-194.078001
HF Energy-194.071737
Nuclear repulsion energy155.241552
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/SDD
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 3266 3140 5.07      
2 A1 3230 3105 12.45      
3 A1 3037 2920 13.51      
4 A1 1553 1493 1.04      
5 A1 1446 1390 27.57      
6 A1 1404 1349 11.56      
7 A1 1136 1092 0.59      
8 A1 1027 987 0.41      
9 A1 931 895 17.03      
10 A1 819 787 0.04      
11 A2 1121 1078 0.00      
12 A2 983 945 0.00      
13 A2 740 712 0.00      
14 A2 533 512 0.00      
15 B1 3078 2958 18.99      
16 B1 979 941 0.31      
17 B1 932 896 30.56      
18 B1 699 672 128.40      
19 B1 358 345 12.87      
20 B2 3251 3125 32.65      
21 B2 3219 3095 3.13      
22 B2 1627 1565 0.13      
23 B2 1324 1273 1.74      
24 B2 1278 1229 5.11      
25 B2 1121 1078 3.76      
26 B2 991 953 20.67      
27 B2 823 791 5.35      

Unscaled Zero Point Vibrational Energy (zpe) 20452.5 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 19661.0 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 B3LYP/SDD
ABC
0.27630 0.27046 0.14024

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

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 -1.898
H6 0.000 -1.354 -1.898
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
H11.76422.71042.71044.11784.11782.18282.18281.10183.11323.1132
H21.76422.71042.71044.11784.11782.18282.18281.10183.11323.1132
H32.71042.71044.44682.65904.37181.08473.42892.30672.19533.3761
H42.71042.71044.44684.37182.65903.42891.08472.30673.37612.1953
H54.11784.11782.65904.37182.70802.19023.35273.40781.08542.2769
H64.11784.11784.37182.65902.70803.35272.19023.40782.27691.0854
C72.18282.18281.08473.42892.19023.35272.37941.51831.36542.3205
C82.18282.18283.42891.08473.35272.19022.37941.51832.32051.3654
C91.10181.10182.30672.30673.40783.40781.51831.51832.35182.3518
C103.11323.11322.19533.37611.08542.27691.36542.32052.35181.4794
C113.11323.11323.37612.19532.27691.08542.32051.36542.35181.4794

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 123.943
H3 C7 C10 126.891 H4 C8 C9 123.943
H4 C8 C11 126.891 H5 C10 C7 126.287
H5 C10 C11 124.470 H6 C11 C8 126.287
H6 C11 C10 124.470 C7 C9 C8 103.182
C7 C10 C11 109.243 C8 C11 C10 109.243
C9 C7 C10 109.166 C9 C8 C11 109.166
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.217      
2 H 0.217      
3 H 0.230      
4 H 0.230      
5 H 0.233      
6 H 0.233      
7 C -0.237      
8 C -0.237      
9 C -0.434      
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 0.574 0.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.775 0.000 0.000
y 0.000 7.984 0.000
z 0.000 0.000 8.820


<r2> (average value of r2) Å2
<r2> 94.118
(<r2>)1/2 9.701