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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-192.861084
Energy at 298.15K-192.867609
HF Energy-192.861084
Nuclear repulsion energy157.706507
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 HF/daug-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 3372 3050 3.40      
2 A1 3346 3026 13.64      
3 A1 3155 2854 22.90      
4 A1 1706 1544 1.74      
5 A1 1552 1404 5.03      
6 A1 1517 1373 14.83      
7 A1 1219 1103 0.18      
8 A1 1056 955 0.81      
9 A1 975 882 7.77      
10 A1 867 784 0.00      
11 A2 1243 1125 0.00      
12 A2 1075 972 0.00      
13 A2 809 732 0.00      
14 A2 561 508 0.00      
15 B1 3178 2875 15.60      
16 B1 1089 985 2.89      
17 B1 1024 927 40.52      
18 B1 745 674 90.28      
19 B1 382 346 3.91      
20 B2 3363 3043 24.65      
21 B2 3336 3018 1.56      
22 B2 1782 1612 0.16      
23 B2 1440 1303 0.97      
24 B2 1398 1265 1.60      
25 B2 1203 1088 0.97      
26 B2 1027 929 14.70      
27 B2 868 785 6.84      

Unscaled Zero Point Vibrational Energy (zpe) 21643.3 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 19578.5 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 HF/daug-cc-pVTZ
ABC
0.28719 0.27675 0.14465

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.873 0.000 1.863
H2 -0.873 0.000 1.863
H3 0.000 2.195 0.593
H4 0.000 -2.195 0.593
H5 0.000 1.346 -1.862
H6 0.000 -1.346 -1.862
C7 0.000 1.172 0.273
C8 0.000 -1.172 0.273
C9 0.000 0.000 1.214
C10 0.000 0.737 -0.979
C11 0.000 -0.737 -0.979

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.74512.68132.68134.05504.05502.15892.15891.08713.06283.0628
H21.74512.68132.68134.05504.05502.15892.15891.08713.06283.0628
H32.68132.68134.38942.59754.30831.07143.38202.28092.14403.3270
H42.68132.68134.38944.30832.59753.38201.07142.28093.32702.1440
H54.05504.05502.59754.30832.69142.14213.30123.35741.07192.2622
H64.05504.05504.30832.59752.69143.30122.14213.35742.26221.0719
C72.15892.15891.07143.38202.14213.30122.34431.50301.32592.2836
C82.15892.15893.38201.07143.30122.14212.34431.50302.28361.3259
C91.08711.08712.28092.28093.35743.35741.50301.50302.31402.3140
C103.06283.06282.14403.32701.07192.26221.32592.28362.31401.4745
C113.06283.06283.32702.14402.26221.07192.28361.32592.31401.4745

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 106.766 H1 C9 C7 111.922
H1 C9 C8 111.922 H2 C9 C7 111.922
H2 C9 C8 111.922 H3 C7 C9 123.882
H3 C7 C10 126.514 H4 C8 C9 123.882
H4 C8 C11 126.514 H5 C10 C7 126.266
H5 C10 C11 124.586 H6 C11 C8 126.266
H6 C11 C10 124.586 C7 C9 C8 102.498
C7 C10 C11 109.148 C8 C11 C10 109.148
C9 C7 C10 109.603 C9 C8 C11 109.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.355      
2 H 0.355      
3 H 0.844      
4 H 0.844      
5 H 0.541      
6 H 0.541      
7 C -0.595      
8 C -0.595      
9 C -1.385      
10 C -0.453      
11 C -0.453      


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 0.370 0.370
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.562 0.000 0.000
y 0.000 -29.135 0.000
z 0.000 0.000 -27.334
Traceless
 xyz
x -5.328 0.000 0.000
y 0.000 1.313 0.000
z 0.000 0.000 4.015
Polar
3z2-r28.030
x2-y2-4.427
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.107 0.000 0.000
y 0.000 8.820 0.000
z 0.000 0.000 9.612


<r2> (average value of r2) Å2
<r2> 92.354
(<r2>)1/2 9.610