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

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-194.021614
Energy at 298.15K-194.027668
HF Energy-194.021614
Nuclear repulsion energy155.026112
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/aug-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 3151 3145 1.98      
2 A1 3126 3120 15.11      
3 A1 2941 2936 11.42      
4 A1 1483 1480 1.08      
5 A1 1356 1354 10.20      
6 A1 1341 1338 14.78      
7 A1 1087 1085 0.14      
8 A1 984 982 0.26      
9 A1 893 891 11.03      
10 A1 787 786 0.00      
11 A2 1067 1065 0.00      
12 A2 881 879 0.00      
13 A2 664 663 0.00      
14 A2 502 501 0.00      
15 B1 2963 2957 7.15      
16 B1 888 887 0.15      
17 B1 873 871 29.14      
18 B1 646 645 77.19      
19 B1 340 340 6.84      
20 B2 3145 3139 21.05      
21 B2 3116 3110 3.74      
22 B2 1563 1560 0.12      
23 B2 1257 1255 0.58      
24 B2 1202 1200 2.17      
25 B2 1066 1064 2.07      
26 B2 930 928 15.47      
27 B2 787 785 5.60      

Unscaled Zero Point Vibrational Energy (zpe) 19519.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 19482.2 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/aug-cc-pVDZ
ABC
0.27616 0.26976 0.14004

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.885 0.000 1.899
H2 -0.885 0.000 1.899
H3 0.000 2.234 0.617
H4 0.000 -2.234 0.617
H5 0.000 1.361 -1.905
H6 0.000 -1.361 -1.905
C7 0.000 1.190 0.286
C8 0.000 -1.190 0.286
C9 0.000 0.000 1.227
C10 0.000 0.739 -1.002
C11 0.000 -0.739 -1.002

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.76962.72372.72374.13564.13562.19092.19091.11083.12153.1215
H21.76962.72372.72374.13564.13562.19092.19091.11083.12153.1215
H32.72372.72374.46872.66894.39141.09493.44072.31622.20393.3855
H42.72372.72374.46874.39142.66893.44071.09492.31623.38552.2039
H54.13564.13562.66894.39142.72132.19803.36313.41501.09632.2855
H64.13564.13564.39142.66892.72133.36312.19803.41502.28551.0963
C72.19092.19091.09493.44072.19803.36312.38101.51741.36522.3201
C82.19092.19093.44071.09493.36312.19802.38101.51742.32011.3652
C91.11081.11082.31622.31623.41503.41501.51741.51742.34852.3485
C103.12153.12152.20393.38551.09632.28551.36522.32012.34851.4779
C113.12153.12153.38552.20392.28551.09632.32011.36522.34851.4779

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 105.602 H1 C9 C7 112.017
H1 C9 C8 112.017 H2 C9 C7 112.017
H2 C9 C8 112.017 H3 C7 C9 124.110
H3 C7 C10 126.883 H4 C8 C9 124.110
H4 C8 C11 126.883 H5 C10 C7 126.138
H5 C10 C11 124.549 H6 C11 C8 126.138
H6 C11 C10 124.549 C7 C9 C8 103.360
C7 C10 C11 109.313 C8 C11 C10 109.313
C9 C7 C10 109.007 C9 C8 C11 109.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.374      
2 H -0.374      
3 H -0.617      
4 H -0.617      
5 H -0.652      
6 H -0.652      
7 C 0.647      
8 C 0.647      
9 C 0.660      
10 C 0.666      
11 C 0.666      


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 0.500 0.500
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 6.542 0.000 0.000
y 0.000 10.221 0.000
z 0.000 0.000 10.610


<r2> (average value of r2) Å2
<r2> 95.145
(<r2>)1/2 9.754