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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-193.850402
Energy at 298.15K-193.856472
HF Energy-193.850402
Nuclear repulsion energy155.593206
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 PBEPBE/cc-pVDZ
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 3170 3152 2.84      
2 A1 3145 3126 10.83      
3 A1 2956 2939 6.37      
4 A1 1515 1507 2.51      
5 A1 1357 1350 1.61      
6 A1 1316 1308 24.41      
7 A1 1084 1078 0.14      
8 A1 1005 999 0.00      
9 A1 916 910 13.10      
10 A1 786 781 0.03      
11 A2 1064 1057 0.00      
12 A2 917 912 0.00      
13 A2 680 677 0.00      
14 A2 507 504 0.00      
15 B1 2989 2971 4.57      
16 B1 909 904 0.56      
17 B1 863 858 20.84      
18 B1 659 655 50.87      
19 B1 327 325 11.27      
20 B2 3163 3145 17.88      
21 B2 3134 3116 3.48      
22 B2 1596 1586 0.13      
23 B2 1266 1259 1.18      
24 B2 1205 1198 1.27      
25 B2 1061 1054 3.57      
26 B2 951 945 13.39      
27 B2 786 781 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 19662.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19548.7 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 PBEPBE/cc-pVDZ
ABC
0.27842 0.27213 0.14127

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.886 0.000 1.893
H2 -0.886 0.000 1.893
H3 0.000 2.230 0.622
H4 0.000 -2.230 0.622
H5 0.000 1.358 -1.903
H6 0.000 -1.358 -1.903
C7 0.000 1.184 0.288
C8 0.000 -1.184 0.288
C9 0.000 0.000 1.217
C10 0.000 0.735 -0.998
C11 0.000 -0.735 -0.998

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.77302.71542.71544.12794.12792.18262.18261.11463.11193.1119
H21.77302.71542.71544.12794.12792.18262.18261.11463.11193.1119
H32.71542.71544.45962.67144.38731.09763.43042.30792.20443.3786
H42.71542.71544.45964.38732.67143.43041.09762.30793.37862.2044
H54.12794.12792.67144.38732.71602.19813.35633.40311.09872.2803
H64.12794.12794.38732.67142.71603.35632.19813.40312.28031.0987
C72.18262.18261.09763.43042.19813.35632.36851.50531.36242.3104
C82.18262.18263.43041.09763.35632.19812.36851.50532.31041.3624
C91.11461.11462.30792.30793.40313.40311.50531.50532.33412.3341
C103.11193.11192.20443.37861.09872.28031.36242.31042.33411.4700
C113.11193.11193.37862.20442.28031.09872.31041.36242.33411.4700

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 105.374 H1 C9 C7 111.973
H1 C9 C8 111.973 H2 C9 C7 111.973
H2 C9 C8 111.973 H3 C7 C9 124.171
H3 C7 C10 126.964 H4 C8 C9 124.171
H4 C8 C11 126.964 H5 C10 C7 126.202
H5 C10 C11 124.544 H6 C11 C8 126.202
H6 C11 C10 124.544 C7 C9 C8 103.764
C7 C10 C11 109.254 C8 C11 C10 109.254
C9 C7 C10 108.864 C9 C8 C11 108.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.063      
2 H 0.063      
3 H -0.018      
4 H -0.018      
5 H -0.024      
6 H -0.024      
7 C -0.059      
8 C -0.059      
9 C 0.022      
10 C 0.027      
11 C 0.027      


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 0.552 0.552
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 4.101 0.000 0.000
y 0.000 8.782 0.000
z 0.000 0.000 9.494


<r2> (average value of r2) Å2
<r2> 93.944
(<r2>)1/2 9.692