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All results from a given calculation for C6H10 (Cyclopentene, 4-methyl-)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-234.495340
Energy at 298.15K-234.506502
HF Energy-234.165304
Nuclear repulsion energy235.473041
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 B2PLYP/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 A 3218 3087 26.04      
2 A 3193 3064 7.64      
3 A 3109 2983 27.12      
4 A 3109 2982 51.47      
5 A 3080 2955 27.29      
6 A 3075 2951 35.78      
7 A 3042 2919 32.40      
8 A 3039 2916 15.35      
9 A 3015 2892 40.87      
10 A 3013 2891 21.70      
11 A 1671 1603 3.49      
12 A 1515 1453 7.18      
13 A 1511 1449 2.70      
14 A 1505 1443 0.58      
15 A 1497 1436 1.98      
16 A 1421 1363 3.10      
17 A 1385 1329 0.58      
18 A 1382 1326 4.42      
19 A 1343 1288 1.34      
20 A 1315 1262 0.35      
21 A 1302 1249 4.63      
22 A 1248 1198 0.26      
23 A 1176 1128 0.10      
24 A 1157 1110 2.27      
25 A 1137 1091 0.40      
26 A 1117 1072 1.47      
27 A 1076 1032 2.58      
28 A 996 956 7.61      
29 A 984 944 0.86      
30 A 977 938 0.00      
31 A 940 901 5.30      
32 A 929 891 4.82      
33 A 910 873 0.36      
34 A 828 794 1.20      
35 A 781 750 0.55      
36 A 708 679 36.60      
37 A 575 551 3.25      
38 A 424 407 0.79      
39 A 399 383 0.06      
40 A 314 301 0.04      
41 A 253 243 0.00      
42 A 106 102 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 31887.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 30592.7 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 B2PLYP/cc-pVTZ
ABC
0.22674 0.10653 0.07871

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.430 -1.286 -0.145
C2 -1.549 -0.666 -0.066
H3 -2.430 1.286 -0.145
C4 -1.549 0.666 -0.066
H5 0.149 -1.616 -0.982
H6 -0.050 -2.047 0.705
C7 -0.152 -1.224 -0.004
H8 -0.050 2.047 0.705
H9 0.149 1.616 -0.982
C10 -0.152 1.224 -0.004
H11 0.780 0.000 1.485
C12 0.705 -0.000 0.396
H13 2.670 -0.881 0.123
H14 2.670 0.881 0.123
H15 2.070 0.000 -1.281
C16 2.108 -0.000 -0.191

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08052.57182.14282.73112.63952.28324.18303.97143.39263.82353.43175.12295.54734.81654.7174
C21.08052.14281.33142.15032.17931.50553.19392.98792.35082.87662.39534.22824.49693.87543.7195
H32.57182.14281.08053.97144.18303.39262.63962.73112.28323.82353.43175.54735.12294.81644.7174
C42.14281.33141.08052.98783.19392.35082.17932.15031.50552.87662.39534.49694.22823.87543.7195
H52.73112.15033.97142.98781.75201.09564.03793.23243.01903.01612.19522.84903.71602.52872.6604
H62.63952.17934.18303.19391.75201.09094.09454.03793.34892.34302.20393.01594.03813.55413.1068
C72.28321.50553.39262.35081.09561.09093.34893.01902.44842.14141.54712.84543.52252.84082.5775
H84.18303.19392.63962.17934.03794.09453.34891.75201.09092.34302.20394.03813.01603.55413.1068
H93.97142.98792.73112.15033.23244.03793.01901.75201.09563.01612.19523.71602.84902.52872.6604
C103.39262.35082.28321.50553.01903.34892.44841.09091.09562.14141.54713.52252.84552.84082.5775
H113.82352.87663.82352.87663.01612.34302.14142.34303.01612.14141.09212.49012.49013.05262.1386
C123.43172.39533.43172.39532.19522.20391.54712.20392.19521.54711.09212.16992.16992.16251.5209
H135.12294.22825.54734.49692.84903.01592.84544.03813.71603.52252.49012.16991.76101.76261.0904
H145.54734.49695.12294.22823.71604.03813.52253.01602.84902.84552.49012.16991.76101.76261.0903
H154.81653.87544.81643.87542.52873.55412.84083.55412.52872.84083.05262.16251.76261.76261.0911
C164.71743.71954.71743.71952.66043.10682.57753.10682.66042.57752.13861.52091.09041.09031.0911

picture of Cyclopentene, 4-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.029 H1 C2 C7 123.143
C2 C4 H3 125.029 C2 C4 C10 111.774
C2 C7 H5 110.529 C2 C7 H6 113.175
C2 C7 C12 103.371 H3 C4 C10 123.143
C4 C2 C7 111.774 C4 C10 H8 113.175
C4 C10 H9 110.529 C4 C10 C12 103.371
H5 C7 H6 106.505 H5 C7 C12 111.192
H6 C7 C12 112.168 C7 C12 C10 104.614
C7 C12 H11 107.207 C7 C12 C16 114.307
H8 C10 H9 106.505 H8 C10 C12 112.168
H9 C10 C12 111.192 C10 C12 H11 107.207
C10 C12 C16 114.307 H11 C12 C16 108.749
C12 C16 H13 111.332 C12 C16 H14 111.332
C12 C16 H15 110.692 H13 C16 H14 107.714
H13 C16 H15 107.805 H14 C16 H15 107.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.136      
2 C -0.177      
3 H 0.136      
4 C -0.177      
5 H 0.086      
6 H 0.095      
7 C -0.155      
8 H 0.095      
9 H 0.086      
10 C -0.155      
11 H 0.097      
12 C -0.036      
13 H 0.099      
14 H 0.099      
15 H 0.089      
16 C -0.318      


Electric dipole moments


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 10.810 0.000 0.025
y 0.000 10.958 0.000
z 0.025 0.000 7.839


<r2> (average value of r2) Å2
<r2> 163.877
(<r2>)1/2 12.801