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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-234.606645
Energy at 298.15K-234.617775
Nuclear repulsion energy235.273527
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 mPW1PW91/6-31+G**
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 3242 3086 26.98      
2 A 3217 3062 7.97      
3 A 3137 2985 26.78      
4 A 3133 2982 46.67      
5 A 3099 2950 28.69      
6 A 3095 2945 33.24      
7 A 3058 2910 28.04      
8 A 3054 2907 26.78      
9 A 3028 2882 45.15      
10 A 3028 2882 24.43      
11 A 1704 1622 5.45      
12 A 1509 1436 9.58      
13 A 1504 1432 3.62      
14 A 1498 1426 0.83      
15 A 1490 1418 3.49      
16 A 1418 1350 6.28      
17 A 1386 1319 0.81      
18 A 1384 1317 4.21      
19 A 1343 1278 2.10      
20 A 1313 1250 0.62      
21 A 1301 1238 3.84      
22 A 1244 1184 0.36      
23 A 1180 1123 0.02      
24 A 1158 1102 2.56      
25 A 1139 1084 0.40      
26 A 1119 1065 1.00      
27 A 1077 1026 3.40      
28 A 1001 953 11.10      
29 A 996 948 0.92      
30 A 976 929 0.05      
31 A 936 890 6.79      
32 A 935 890 5.13      
33 A 911 867 0.03      
34 A 836 795 1.58      
35 A 780 743 0.69      
36 A 708 673 47.86      
37 A 573 546 4.59      
38 A 424 403 1.23      
39 A 398 379 0.09      
40 A 315 299 0.04      
41 A 254 242 0.00      
42 A 105 100 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 32001.8 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 30459.3 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 mPW1PW91/6-31+G**
ABC
0.22636 0.10648 0.07864

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.437 -1.290 -0.129
C2 -1.551 -0.668 -0.059
H3 -2.437 1.290 -0.128
C4 -1.551 0.668 -0.059
H5 0.140 -1.606 -1.002
H6 -0.040 -2.058 0.688
C7 -0.153 -1.223 -0.013
H8 -0.040 2.058 0.687
H9 0.140 1.605 -1.002
C10 -0.152 1.223 -0.013
H11 0.767 0.000 1.485
C12 0.703 0.000 0.390
H13 2.675 -0.883 0.141
H14 2.674 0.883 0.141
H15 2.091 -0.000 -1.275
C16 2.114 -0.000 -0.180

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08512.58092.15052.73892.64552.28794.19803.97333.39823.81263.43395.13435.56064.84564.7302
C21.08512.15051.33572.15122.18441.50503.20482.98572.35202.86452.39314.23544.50533.89723.7269
H32.58092.15051.08513.97414.19753.39822.64582.73912.28823.81253.43395.56075.13454.84604.7304
C42.15051.33571.08512.98643.20442.35212.18472.15101.50512.86442.39314.50534.23543.89743.7270
H52.73892.15123.97412.98641.75801.10024.03853.21143.01113.02622.19832.87243.73152.54162.6737
H62.64552.18444.19753.20441.75801.09544.11564.03803.35642.34982.20793.00774.03923.55373.1027
C72.28791.50503.39822.35211.10021.09543.35673.01072.44592.14161.54602.85153.52872.85032.5808
H84.19803.20482.64582.18474.03854.11563.35671.75801.09542.35022.20794.03913.00733.55353.1024
H93.97332.98572.73912.15103.21144.03803.01071.75801.10033.02632.19823.73152.87262.54162.6738
C103.39822.35202.28821.50513.01113.35642.44591.09541.10032.14151.54583.52862.85142.85042.5808
H113.81262.86453.81252.86443.02622.34982.14162.35023.02632.14151.09732.49472.49483.06182.1419
C123.43392.39313.43392.39312.19832.20791.54602.20792.19821.54581.09732.17452.17452.16811.5218
H135.13434.23545.56074.50532.87243.00772.85154.03913.73153.52862.49472.17451.76641.76831.0944
H145.56064.50535.13454.23543.73154.03923.52873.00732.87262.85142.49482.17451.76641.76831.0944
H154.84563.89724.84603.89742.54163.55372.85033.55352.54162.85043.06182.16811.76831.76831.0953
C164.73023.72694.73043.72702.67373.10272.58083.10242.67382.58082.14191.52181.09441.09441.0953

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 125.016 H1 C2 C7 123.282
C2 C4 H3 125.015 C2 C4 C10 111.639
C2 C7 H5 110.360 C2 C7 H6 113.348
C2 C7 C12 103.319 H3 C4 C10 123.292
C4 C2 C7 111.650 C4 C10 H8 113.366
C4 C10 H9 110.332 C4 C10 C12 103.320
H5 C7 H6 106.388 H5 C7 C12 111.236
H6 C7 C12 112.292 C7 C12 C10 104.577
C7 C12 H11 107.004 C7 C12 C16 114.549
H8 C10 H9 106.389 H8 C10 C12 112.307
H9 C10 C12 111.228 C10 C12 H11 107.008
C10 C12 C16 114.551 H11 C12 C16 108.650
C12 C16 H13 111.393 C12 C16 H14 111.394
C12 C16 H15 110.822 H13 C16 H14 107.615
H13 C16 H15 107.719 H14 C16 H15 107.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.152      
2 C -0.045      
3 H 0.152      
4 C -0.045      
5 H 0.170      
6 H 0.167      
7 C -0.596      
8 H 0.167      
9 H 0.170      
10 C -0.596      
11 H 0.170      
12 C 0.323      
13 H 0.164      
14 H 0.164      
15 H 0.164      
16 C -0.677      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.271 -0.000 0.008 0.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.533 -0.000 0.487
y -0.000 -37.141 0.001
z 0.487 0.001 -39.559
Traceless
 xyz
x -0.182 -0.000 0.487
y -0.000 1.905 0.001
z 0.487 0.001 -1.722
Polar
3z2-r2-3.445
x2-y2-1.391
xy-0.000
xz0.487
yz0.001


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


<r2> (average value of r2) Å2
<r2> 163.913
(<r2>)1/2 12.803