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

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-193.481773
Energy at 298.15K-193.488016
HF Energy-192.790578
Nuclear repulsion energy156.550533
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 MP3=FULL/6-31G*
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 3292 3089 3.21      
2 A1 3268 3067 9.50      
3 A1 3090 2900 8.67      
4 A1 1633 1532 1.49      
5 A1 1493 1401 8.55      
6 A1 1452 1363 9.47      
7 A1 1169 1097 0.12      
8 A1 1044 979 0.05      
9 A1 960 900 8.64      
10 A1 827 776 0.01      
11 A2 1167 1095 0.00      
12 A2 914 857 0.00      
13 A2 722 678 0.00      
14 A2 512 480 0.00      
15 B1 3126 2933 10.17      
16 B1 966 906 18.75      
17 B1 941 883 2.06      
18 B1 690 647 72.79      
19 B1 347 325 7.51      
20 B2 3285 3082 23.17      
21 B2 3259 3058 2.45      
22 B2 1705 1599 0.43      
23 B2 1367 1283 1.97      
24 B2 1326 1244 0.92      
25 B2 1153 1082 1.29      
26 B2 1009 947 8.44      
27 B2 830 779 4.22      

Unscaled Zero Point Vibrational Energy (zpe) 20773.2 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 19491.5 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 MP3=FULL/6-31G*
ABC
0.28196 0.27445 0.14275

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.882 0.000 1.867
H2 -0.882 0.000 1.867
H3 0.000 2.211 0.619
H4 0.000 -2.211 0.619
H5 0.000 1.342 -1.886
H6 0.000 -1.342 -1.886
C7 0.000 1.182 0.281
C8 0.000 -1.182 0.281
C9 0.000 0.000 1.214
C10 0.000 0.737 -0.987
C11 0.000 -0.737 -0.987

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 C9 C10 C11
H11.76412.68772.68774.08214.08212.16562.16561.09753.07653.0765
H21.76412.68772.68774.08214.08212.16562.16561.09753.07653.0765
H32.68772.68774.42172.65134.34701.08343.40922.28962.17983.3565
H42.68772.68774.42174.34702.65133.40921.08342.28963.35652.1798
H54.08214.08212.65134.34702.68382.17293.32613.37801.08392.2647
H64.08214.08214.34702.65132.68383.32612.17293.37802.26471.0839
C72.16562.16561.08343.40922.17293.32612.36301.50551.34352.2992
C82.16562.16563.40921.08343.32612.17292.36301.50552.29921.3435
C91.09751.09752.28962.28963.37803.37801.50551.50552.32082.3208
C103.07653.07652.17983.35651.08392.26471.34352.29922.32081.4733
C113.07653.07653.35652.17982.26471.08392.29921.34352.32081.4733

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 106.973 H1 C9 C7 111.640
H1 C9 C8 111.640 H2 C9 C7 111.640
H2 C9 C8 111.640 H3 C7 C9 123.524
H3 C7 C10 127.513 H4 C8 C9 123.524
H4 C8 C11 127.513 H5 C10 C7 126.720
H5 C10 C11 123.944 H6 C11 C8 126.720
H6 C11 C10 123.944 C7 C9 C8 103.400
C7 C10 C11 109.336 C8 C11 C10 109.336
C9 C7 C10 108.964 C9 C8 C11 108.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability