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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-234.319600
Energy at 298.15K-234.330527
Nuclear repulsion energy233.520804
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3138 3120 28.18      
2 A 3112 3094 7.37      
3 A 3044 3026 21.66      
4 A 3038 3021 38.48      
5 A 2995 2978 29.47      
6 A 2991 2974 34.29      
7 A 2960 2943 36.09      
8 A 2954 2937 12.45      
9 A 2918 2901 41.54      
10 A 2917 2901 26.13      
11 A 1640 1631 3.86      
12 A 1422 1414 6.61      
13 A 1418 1410 2.45      
14 A 1409 1401 0.63      
15 A 1400 1392 2.02      
16 A 1344 1336 2.59      
17 A 1319 1312 0.09      
18 A 1315 1308 4.52      
19 A 1276 1269 2.25      
20 A 1251 1243 0.07      
21 A 1231 1223 2.39      
22 A 1183 1176 0.31      
23 A 1128 1122 0.06      
24 A 1100 1093 2.25      
25 A 1091 1084 0.48      
26 A 1073 1067 0.27      
27 A 1032 1026 1.56      
28 A 969 963 0.21      
29 A 961 955 11.91      
30 A 923 917 0.07      
31 A 902 897 3.84      
32 A 891 886 4.70      
33 A 870 865 0.00      
34 A 810 805 1.50      
35 A 755 750 0.51      
36 A 676 672 28.23      
37 A 554 551 3.54      
38 A 407 405 1.25      
39 A 383 381 0.16      
40 A 304 303 0.07      
41 A 249 248 0.01      
42 A 103 102 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 30728.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 30550.6 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 PBEPBE/cc-pVDZ
ABC
0.22334 0.10508 0.07759

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.458 -1.306 -0.122
C2 -1.560 -0.674 -0.055
H3 -2.458 1.306 -0.122
C4 -1.560 0.674 -0.055
H5 0.138 -1.610 -1.026
H6 -0.033 -2.084 0.680
C7 -0.154 -1.229 -0.017
H8 -0.033 2.084 0.680
H9 0.138 1.610 -1.026
C10 -0.154 1.229 -0.017
H11 0.764 -0.000 1.500
C12 0.707 -0.000 0.389
H13 2.696 -0.895 0.153
H14 2.696 0.895 0.153
H15 2.114 0.000 -1.286
C16 2.128 0.000 -0.175

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.10032.61262.17542.76512.67002.30714.24494.00733.42673.83673.46215.17785.61114.89534.7681
C21.10032.17541.34802.16812.20461.51143.23713.00692.36572.87642.40664.26704.54083.93313.7505
H32.61262.17541.10034.00724.24493.42672.67002.76512.30713.83673.46215.61115.17784.89534.7681
C42.17541.34801.10033.00693.23722.36572.20462.16811.51142.87642.40664.54084.26703.93313.7505
H52.76512.16814.00723.00691.77911.11684.07273.22003.02643.06012.21742.90633.76932.56242.6972
H62.67002.20464.24493.23721.77911.11084.16834.07273.38762.37722.23093.02374.07443.58073.1215
C72.30711.51143.42672.36571.11681.11083.38763.02642.45712.15781.55472.87523.55852.87492.5964
H84.24493.23712.67002.20464.07274.16833.38761.77911.11082.37722.23094.07443.02373.58073.1215
H94.00733.00692.76512.16813.22004.07273.02641.77911.11683.06012.21753.76932.90632.56242.6972
C103.42672.36572.30711.51143.02643.38762.45711.11081.11682.15781.55473.55852.87522.87492.5964
H113.83672.87643.83672.87643.06012.37722.15782.37723.06012.15781.11282.51952.51953.09592.1598
C123.46212.40663.46212.40662.21742.23091.55472.23092.21751.55471.11282.19352.19352.18721.5280
H135.17784.26705.61114.54082.90633.02372.87524.07443.76933.55852.51952.19351.78911.79151.1096
H145.61114.54085.17784.26703.76934.07443.55853.02372.90632.87522.51952.19351.78911.79151.1096
H154.89533.93314.89533.93312.56243.58072.87493.58072.56242.87493.09592.18721.79151.79151.1111
C164.76813.75054.76813.75052.69723.12152.59643.12152.69722.59642.15981.52801.10961.10961.1111

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 125.077 H1 C2 C7 123.337
C2 C4 H3 125.077 C2 C4 C10 111.525
C2 C7 H5 110.262 C2 C7 H6 113.557
C2 C7 C12 103.415 H3 C4 C10 123.337
C4 C2 C7 111.524 C4 C10 H8 113.557
C4 C10 H9 110.263 C4 C10 C12 103.415
H5 C7 H6 105.996 H5 C7 C12 111.146
H6 C7 C12 112.579 C7 C12 C10 104.412
C7 C12 H11 106.815 C7 C12 C16 114.760
H8 C10 H9 105.995 H8 C10 C12 112.578
H9 C10 C12 111.146 C10 C12 H11 106.814
C10 C12 C16 114.760 H11 C12 C16 108.722
C12 C16 H13 111.553 C12 C16 H14 111.553
C12 C16 H15 110.962 H13 C16 H14 107.455
H13 C16 H15 107.556 H14 C16 H15 107.556
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.025      
2 C -0.033      
3 H -0.025      
4 C -0.033      
5 H 0.027      
6 H 0.024      
7 C 0.042      
8 H 0.024      
9 H 0.027      
10 C 0.042      
11 H 0.009      
12 C -0.160      
13 H 0.027      
14 H 0.027      
15 H 0.029      
16 C -0.004      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.225 0.000 0.023 0.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.435 0.000 0.346
y 0.000 -37.284 0.000
z 0.346 0.000 -39.284
Traceless
 xyz
x -0.151 0.000 0.346
y 0.000 1.576 0.000
z 0.346 0.000 -1.425
Polar
3z2-r2-2.849
x2-y2-1.152
xy0.000
xz0.346
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.652 0.000 0.031
y 0.000 10.894 0.000
z 0.031 0.000 7.351


<r2> (average value of r2) Å2
<r2> 165.895
(<r2>)1/2 12.880