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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-194.074216
Energy at 298.15K-194.080341
HF Energy-194.074216
Nuclear repulsion energy155.967652
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 BLYP/cc-pVTZ
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 3148 3139 2.08      
2 A1 3123 3114 17.05      
3 A1 2940 2931 11.03      
4 A1 1488 1484 0.68      
5 A1 1376 1372 9.87      
6 A1 1359 1355 13.79      
7 A1 1103 1099 0.16      
8 A1 984 981 0.15      
9 A1 892 890 10.60      
10 A1 797 795 0.01      
11 A2 1090 1087 0.00      
12 A2 921 918 0.00      
13 A2 684 682 0.00      
14 A2 510 509 0.00      
15 B1 2954 2945 8.28      
16 B1 917 915 0.07      
17 B1 890 887 25.65      
18 B1 662 660 65.76      
19 B1 344 343 7.59      
20 B2 3142 3133 23.38      
21 B2 3113 3104 4.55      
22 B2 1577 1572 0.05      
23 B2 1281 1277 0.47      
24 B2 1221 1218 2.84      
25 B2 1086 1083 1.84      
26 B2 940 937 13.91      
27 B2 798 796 4.77      

Unscaled Zero Point Vibrational Energy (zpe) 19670.5 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 19611.5 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 BLYP/cc-pVTZ
ABC
0.27984 0.27243 0.14165

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.878 0.000 1.888
H2 -0.878 0.000 1.888
H3 0.000 2.219 0.611
H4 0.000 -2.219 0.611
H5 0.000 1.350 -1.891
H6 0.000 -1.350 -1.891
C7 0.000 1.185 0.283
C8 0.000 -1.185 0.283
C9 0.000 0.000 1.221
C10 0.000 0.736 -0.995
C11 0.000 -0.736 -0.995

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.75622.70682.70684.10794.10792.18022.18021.10253.10203.1020
H21.75622.70682.70684.10794.10792.18022.18021.10253.10203.1020
H32.70682.70684.43902.64944.35921.08513.42072.30182.18643.3636
H42.70682.70684.43904.35922.64943.42071.08512.30183.36362.1864
H54.10794.10792.64944.35922.69962.18013.33963.39251.08652.2702
H64.10794.10794.35922.64942.69963.33962.18013.39252.27021.0865
C72.18022.18021.08513.42072.18013.33962.37081.51201.35422.3072
C82.18022.18023.42071.08513.33962.18012.37081.51202.30721.3542
C91.10251.10252.30182.30183.39253.39251.51201.51202.33492.3349
C103.10203.10202.18643.36361.08652.27021.35422.30722.33491.4718
C113.10203.10203.36362.18642.27021.08652.30721.35422.33491.4718

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 105.580 H1 C9 C7 112.048
H1 C9 C8 112.048 H2 C9 C7 112.048
H2 C9 C8 112.048 H3 C7 C9 123.998
H3 C7 C10 127.018 H4 C8 C9 123.998
H4 C8 C11 127.018 H5 C10 C7 126.211
H5 C10 C11 124.403 H6 C11 C8 126.211
H6 C11 C10 124.403 C7 C9 C8 103.261
C7 C10 C11 109.386 C8 C11 C10 109.386
C9 C7 C10 108.984 C9 C8 C11 108.984
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.090      
2 H 0.090      
3 H 0.094      
4 H 0.094      
5 H 0.089      
6 H 0.089      
7 C -0.114      
8 C -0.114      
9 C -0.109      
10 C -0.105      
11 C -0.105      


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 0.473 0.473
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 5.139 0.000 0.000
y 0.000 9.280 0.000
z 0.000 0.000 9.910


<r2> (average value of r2) Å2
<r2> 93.969
(<r2>)1/2 9.694