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All results from a given calculation for C6H10 (Cyclopentene, 3-methyl-)

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-234.326114
Energy at 298.15K-234.337018
Nuclear repulsion energy233.740364
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/6-31G(2df,p)
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 3137 3104 25.26      
2 A 3110 3078 7.18      
3 A 3047 3016 34.33      
4 A 3047 3015 25.63      
5 A 3039 3008 23.63      
6 A 2997 2966 35.51      
7 A 2975 2945 23.62      
8 A 2967 2936 25.33      
9 A 2942 2912 40.30      
10 A 2907 2877 29.47      
11 A 1636 1620 1.30      
12 A 1450 1435 3.49      
13 A 1447 1433 3.76      
14 A 1444 1429 1.35      
15 A 1428 1414 0.68      
16 A 1358 1344 1.18      
17 A 1338 1324 3.48      
18 A 1292 1278 1.91      
19 A 1279 1265 1.46      
20 A 1266 1253 2.66      
21 A 1249 1236 0.81      
22 A 1186 1174 0.72      
23 A 1162 1150 0.27      
24 A 1111 1100 0.78      
25 A 1082 1071 4.08      
26 A 1071 1060 3.15      
27 A 1041 1031 2.43      
28 A 981 971 1.88      
29 A 942 933 1.20      
30 A 931 922 1.56      
31 A 927 917 0.29      
32 A 893 884 2.75      
33 A 835 827 2.03      
34 A 802 794 1.05      
35 A 739 731 2.11      
36 A 720 712 22.38      
37 A 569 563 3.90      
38 A 481 476 2.13      
39 A 331 328 0.03      
40 A 276 273 0.14      
41 A 230 228 0.03      
42 A 112 111 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 30886.5 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 30568.4 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/6-31G(2df,p)
ABC
0.22174 0.10501 0.07835

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.303 2.224 0.112
C2 0.100 1.207 0.096
H3 2.176 1.588 -0.387
C4 1.375 0.880 -0.162
H5 2.165 -0.838 0.889
H6 2.212 -1.024 -0.866
C7 1.607 -0.609 -0.041
H8 0.065 -2.062 0.644
H9 -0.123 -1.494 -1.026
C10 0.167 -1.180 -0.008
H11 -0.912 -0.035 1.523
C12 -0.753 -0.003 0.425
H13 -2.744 0.846 0.075
H14 -2.689 -0.932 0.001
H15 -2.031 0.037 -1.345
C16 -2.132 -0.013 -0.247

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.09372.60712.16684.00864.22263.42034.33473.89253.43862.73212.29312.80423.95833.14572.9121
C21.09372.16571.34143.01273.21962.36453.31502.93342.39062.14511.51582.86703.51582.82602.5665
H32.60712.16571.09312.74182.65592.29604.34113.89813.44193.97733.43024.99755.49264.58524.5981
C42.16681.34141.09312.16362.19571.51193.31962.93692.39312.98412.37654.12594.45203.70243.6194
H54.00863.01272.74182.16361.76561.10802.44253.05482.21643.24233.06985.25334.93474.83294.5201
H64.22263.21962.65592.19571.76561.10402.82302.38792.22404.05553.39105.38044.97794.39984.5030
C73.42032.36452.29601.51191.10801.10402.22702.17931.55033.02052.48074.59004.30853.91853.7922
H84.33473.31504.34113.31962.44252.82302.22701.77401.10112.41622.22674.08323.04523.57103.1335
H93.89252.93343.89812.93693.05482.38792.17931.77401.10453.04122.17343.68172.81972.46632.6142
C103.43862.39063.44192.39312.21642.22401.55031.10111.10452.19511.55513.54762.86612.84572.5890
H112.73212.14513.97732.98413.24234.05553.02052.41623.04122.19511.11052.49612.50583.07902.1498
C122.29311.51583.43022.37653.06983.39102.48072.22672.17341.55511.11052.19312.18912.18311.5342
H132.80422.86704.99754.12595.25335.38044.59004.08323.68173.54762.49612.19311.78031.78271.1028
H143.95833.51585.49264.45204.93474.97794.30853.04522.81972.86612.50582.18911.78031.78361.1028
H153.14572.82604.58523.70244.83294.39983.91853.57102.46632.84573.07902.18311.78271.78361.1033
C162.91212.56654.59813.61944.52014.50303.79223.13352.61422.58902.14981.53421.10281.10281.1033

picture of Cyclopentene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.398 H1 C2 C12 122.151
C2 C4 H3 125.336 C2 C4 C7 111.793
C2 C12 C10 102.232 C2 C12 H11 108.546
C2 C12 C16 114.586 H3 C4 C7 122.809
C4 C2 C12 112.416 C4 C7 H5 110.400
C4 C7 H6 113.229 C4 C7 C10 102.793
H5 C7 H6 105.915 H5 C7 C10 111.895
H6 C7 C10 112.756 C7 C10 H8 113.181
C7 C10 H9 109.200 C7 C10 C12 106.040
H8 C10 H9 107.090 H8 C10 C12 112.802
H9 C10 C12 108.423 C10 C12 H11 109.746
C10 C12 C16 113.871 H11 C12 C16 107.680
C12 C16 H13 111.493 C12 C16 H14 111.172
C12 C16 H15 110.668 H13 C16 H14 107.641
H13 C16 H15 107.818 H14 C16 H15 107.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.090      
2 C -0.060      
3 H 0.093      
4 C -0.075      
5 H 0.116      
6 H 0.112      
7 C -0.275      
8 H 0.104      
9 H 0.111      
10 C -0.233      
11 H 0.088      
12 C -0.013      
13 H 0.122      
14 H 0.123      
15 H 0.126      
16 C -0.429      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.007 -0.145 0.122 0.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.268 -0.237 -0.560
y -0.237 -37.313 -0.130
z -0.560 -0.130 -38.451
Traceless
 xyz
x 0.614 -0.237 -0.560
y -0.237 0.546 -0.130
z -0.560 -0.130 -1.160
Polar
3z2-r2-2.321
x2-y20.046
xy-0.237
xz-0.560
yz-0.130


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.486 -0.326 -0.444
y -0.326 9.381 -0.092
z -0.444 -0.092 7.312


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000