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

using model chemistry: BLYP/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/cc-pVDZ
 hartrees
Energy at 0K-194.007660
Energy at 298.15K-194.013738
HF Energy-194.007660
Nuclear repulsion energy155.017036
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-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 3148 3153 3.15      
2 A1 3122 3127 16.53      
3 A1 2932 2937 10.94      
4 A1 1496 1499 1.97      
5 A1 1353 1355 0.09      
6 A1 1334 1336 20.08      
7 A1 1083 1084 0.13      
8 A1 986 988 0.01      
9 A1 895 896 10.89      
10 A1 788 789 0.02      
11 A2 1073 1074 0.00      
12 A2 921 923 0.00      
13 A2 682 683 0.00      
14 A2 506 507 0.00      
15 B1 2954 2958 10.10      
16 B1 913 914 0.59      
17 B1 874 876 17.23      
18 B1 662 663 45.67      
19 B1 334 335 8.98      
20 B2 3141 3146 25.92      
21 B2 3112 3117 4.36      
22 B2 1582 1584 0.07      
23 B2 1261 1263 0.60      
24 B2 1208 1210 1.51      
25 B2 1065 1067 2.52      
26 B2 938 940 11.68      
27 B2 789 790 5.32      

Unscaled Zero Point Vibrational Energy (zpe) 19575.2 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 19606.5 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-pVDZ
ABC
0.27642 0.26960 0.14008

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.887 0.000 1.901
H2 -0.887 0.000 1.901
H3 0.000 2.236 0.618
H4 0.000 -2.236 0.618
H5 0.000 1.360 -1.907
H6 0.000 -1.360 -1.907
C7 0.000 1.191 0.286
C8 0.000 -1.191 0.286
C9 0.000 0.000 1.226
C10 0.000 0.739 -1.001
C11 0.000 -0.739 -1.001

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.77342.72632.72634.13964.13962.19372.19371.11473.12323.1232
H21.77342.72632.72634.13964.13962.19372.19371.11473.12323.1232
H32.72632.72634.47242.67284.39401.09693.44302.31722.20523.3873
H42.72632.72634.47244.39402.67283.44301.09692.31723.38732.2052
H54.13964.13962.67284.39402.71962.19953.36373.41501.09822.2860
H64.13964.13964.39402.67282.71963.36372.19953.41502.28601.0982
C72.19372.19371.09693.44302.19953.36372.38151.51681.36402.3196
C82.19372.19373.44301.09693.36372.19952.38151.51682.31961.3640
C91.11471.11472.31722.31723.41503.41501.51681.51682.34612.3461
C103.12323.12322.20523.38731.09822.28601.36402.31962.34611.4781
C113.12323.12323.38732.20522.28601.09822.31961.36402.34611.4781

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 105.397 H1 C9 C7 112.048
H1 C9 C8 112.048 H2 C9 C7 112.048
H2 C9 C8 112.048 H3 C7 C9 124.105
H3 C7 C10 126.958 H4 C8 C9 124.105
H4 C8 C11 126.958 H5 C10 C7 126.243
H5 C10 C11 124.419 H6 C11 C8 126.243
H6 C11 C10 124.419 C7 C9 C8 103.450
C7 C10 C11 109.338 C8 C11 C10 109.338
C9 C7 C10 108.937 C9 C8 C11 108.937
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.031      
2 H 0.031      
3 H -0.050      
4 H -0.050      
5 H -0.056      
6 H -0.056      
7 C -0.023      
8 C -0.023      
9 C 0.078      
10 C 0.059      
11 C 0.059      


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 0.497 0.497
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 4.094 0.000 0.000
y 0.000 8.832 0.000
z 0.000 0.000 9.549


<r2> (average value of r2) Å2
<r2> 94.703
(<r2>)1/2 9.732