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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-192.864990
Energy at 298.15K-192.871523
HF Energy-192.864990
Nuclear repulsion energy157.724768
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/Def2TZVPP
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 3374 3058 3.63      
2 A1 3348 3034 13.93      
3 A1 3157 2862 23.04      
4 A1 1710 1550 1.58      
5 A1 1552 1407 4.51      
6 A1 1518 1376 15.04      
7 A1 1221 1107 0.19      
8 A1 1056 957 0.74      
9 A1 975 884 8.01      
10 A1 867 786 0.00      
11 A2 1243 1127 0.00      
12 A2 1075 974 0.00      
13 A2 809 733 0.00      
14 A2 561 509 0.00      
15 B1 3181 2883 16.54      
16 B1 1088 987 2.83      
17 B1 1025 929 39.69      
18 B1 746 676 87.86      
19 B1 382 347 4.21      
20 B2 3366 3051 26.68      
21 B2 3338 3026 1.68      
22 B2 1786 1619 0.00      
23 B2 1441 1306 1.07      
24 B2 1399 1268 1.73      
25 B2 1205 1092 1.04      
26 B2 1027 931 14.47      
27 B2 868 787 6.89      

Unscaled Zero Point Vibrational Energy (zpe) 21658.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19631.3 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/Def2TZVPP
ABC
0.28730 0.27678 0.14468

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.872 0.000 1.858
H2 -0.872 0.000 1.858
H3 0.000 2.193 0.591
H4 0.000 -2.193 0.591
H5 0.000 1.343 -1.857
H6 0.000 -1.343 -1.857
C7 0.000 1.172 0.273
C8 0.000 -1.172 0.273
C9 0.000 0.000 1.208
C10 0.000 0.734 -0.976
C11 0.000 -0.734 -0.976

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.74322.67862.67864.04474.04472.15492.15491.08733.05413.0541
H21.74322.67862.67864.04474.04472.15492.15491.08733.05413.0541
H32.67862.67864.38632.59084.30031.06973.37982.27832.14073.3202
H42.67862.67864.38634.30032.59083.37981.06972.27833.32022.1407
H54.04474.04472.59084.30032.68572.13663.29523.34561.07062.2561
H64.04474.04474.30032.59082.68573.29522.13663.34562.25611.0706
C72.15492.15491.06973.37982.13663.29522.34331.49871.32332.2786
C82.15492.15493.37981.06973.29522.13662.34331.49872.27861.3233
C91.08731.08732.27832.27833.34563.34561.49871.49872.30362.3036
C103.05413.05412.14073.32021.07062.25611.32332.27862.30361.4685
C113.05413.05413.32022.14072.25611.07062.27861.32332.30361.4685

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 106.568 H1 C9 C7 111.889
H1 C9 C8 111.889 H2 C9 C7 111.889
H2 C9 C8 111.889 H3 C7 C9 124.148
H3 C7 C10 126.577 H4 C8 C9 124.148
H4 C8 C11 126.577 H5 C10 C7 126.054
H5 C10 C11 124.643 H6 C11 C8 126.054
H6 C11 C10 124.643 C7 C9 C8 102.845
C7 C10 C11 109.303 C8 C11 C10 109.303
C9 C7 C10 109.275 C9 C8 C11 109.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.050      
2 H 0.050      
3 H 0.084      
4 H 0.084      
5 H 0.097      
6 H 0.097      
7 C -0.167      
8 C -0.167      
9 C 0.072      
10 C -0.100      
11 C -0.100      


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 0.358 0.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.489 0.000 0.000
y 0.000 -28.956 0.000
z 0.000 0.000 -27.296
Traceless
 xyz
x -5.362 0.000 0.000
y 0.000 1.436 0.000
z 0.000 0.000 3.926
Polar
3z2-r27.853
x2-y2-4.532
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.469 0.000 0.000
y 0.000 8.384 0.000
z 0.000 0.000 9.460


<r2> (average value of r2) Å2
<r2> 92.277
(<r2>)1/2 9.606