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All results from a given calculation for C6H10 (Cyclopentene, 1-methyl-)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-234.456726
Energy at 298.15K-234.449522
HF Energy-234.666686
Nuclear repulsion energy233.054438
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 B3LYP/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 3180 3069 19.56      
2 A 3107 2998 22.30      
3 A 3099 2990 40.98      
4 A 3059 2952 63.15      
5 A 3057 2950 18.08      
6 A 3044 2938 35.03      
7 A 3036 2930 10.74      
8 A 3014 2908 41.54      
9 A 2998 2893 52.05      
10 A 2996 2891 37.56      
11 A 1725 1665 2.44      
12 A 1507 1455 0.33      
13 A 1491 1439 3.52      
14 A 1488 1436 1.87      
15 A 1483 1431 0.21      
16 A 1480 1428 6.43      
17 A 1414 1364 0.47      
18 A 1362 1315 0.82      
19 A 1329 1283 0.37      
20 A 1320 1274 3.16      
21 A 1287 1242 0.75      
22 A 1248 1204 1.91      
23 A 1231 1188 1.08      
24 A 1172 1131 1.25      
25 A 1153 1113 1.01      
26 A 1093 1054 0.61      
27 A 1040 1004 3.14      
28 A 1030 994 5.52      
29 A 1026 990 3.78      
30 A 939 906 1.27      
31 A 916 884 0.36      
32 A 900 869 0.73      
33 A 875 844 0.39      
34 A 840 811 5.42      
35 A 804 776 4.63      
36 A 657 634 1.37      
37 A 579 559 0.13      
38 A 446 430 2.24      
39 A 317 306 0.56      
40 A 242 233 1.46      
41 A 185 178 0.53      
42 A 128 124 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 31647.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 30539.7 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 B3LYP/6-31G(2df,p)
ABC
0.23205 0.10097 0.07472

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.757 0.075 -0.001
H2 -0.339 2.178 -0.068
C3 0.025 1.156 -0.022
H4 -2.658 -0.452 0.859
H5 -2.612 -0.554 -0.894
H6 -2.685 1.034 -0.107
C7 -2.252 0.032 -0.039
H8 -0.040 -1.617 1.131
H9 -0.255 -1.976 -0.572
C10 0.069 -1.191 0.122
H11 1.772 -0.914 -1.198
H12 2.258 -1.227 0.464
C13 1.516 -0.713 -0.153
H14 1.884 1.087 1.077
H15 2.112 1.363 -0.640
C16 1.493 0.820 0.084

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.14501.33482.15182.15262.15611.49602.15862.18721.51662.96733.31742.41093.02653.20962.3720
H22.14501.08563.62683.64862.61042.87463.99104.18473.39843.91004.31523.43572.72762.64572.2852
C31.33481.08563.25003.26192.71462.53953.00423.19192.35172.95233.30182.39442.16002.18641.5094
H42.15183.62683.25001.75681.77331.09802.87813.18522.91964.90554.99264.30274.80005.31944.4102
H52.15263.64863.26191.75681.77391.09783.44202.77192.93734.40905.10094.19745.17575.10484.4381
H62.15612.61042.71461.77331.77391.09363.94473.89673.54824.98485.46614.55054.72004.83824.1881
C71.49602.87462.53951.09801.09781.09362.99722.88232.62874.29304.70993.84304.41134.60213.8290
H82.15863.99103.00422.87813.44203.94472.99721.75381.10043.03322.42502.21063.31904.08053.0640
H92.18724.18473.19193.18522.77193.89672.88231.75381.09712.37142.81932.21494.08284.09283.3615
C101.51663.39842.35172.91962.93733.54822.62871.10041.09712.17222.21601.54863.06443.35812.4643
H112.96733.91002.95234.90554.40904.98484.29303.03322.37142.17221.75941.09473.03132.36852.1740
H123.31744.31523.30184.99265.10095.46614.70992.42502.81932.21601.75941.09302.42292.81912.2183
C132.41093.43572.39444.30274.19744.55053.84302.21062.21491.54861.09471.09302.21032.21401.5513
H143.02652.72762.16004.80005.17574.72004.41133.31904.08283.06443.03132.42292.21031.75401.1000
H153.20962.64572.18645.31945.10484.83824.60214.08054.09283.35812.36852.81912.21401.75401.0963
C162.37202.28521.50944.41024.43814.18813.82903.06403.36152.46432.17402.21831.55131.10001.0963

picture of Cyclopentene, 1-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H2 124.644 C1 C3 C16 112.852
C1 C7 H4 111.072 C1 C7 H5 111.122
C1 C7 H6 111.615 C1 C10 H8 110.084
C1 C10 H9 112.607 C1 C10 C13 103.571
H2 C3 C16 122.460 C3 C1 C7 127.499
C3 C1 C10 111.065 C3 C16 C13 102.823
C3 C16 H14 110.686 C3 C16 H15 113.063
H4 C7 H5 106.522 H4 C7 H6 108.118
H5 C7 H6 108.188 C7 C1 C10 121.402
H8 C10 H9 106.087 H8 C10 C13 112.023
H9 C10 C13 112.593 C10 C13 H11 109.279
C10 C13 H12 112.889 C10 C13 C16 105.401
H11 C13 H12 107.097 H11 C13 C16 109.241
H12 C13 C16 112.884 C13 C16 H14 111.832
C13 C16 H15 112.384 H14 C16 H15 106.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.347      
2 H 0.078      
3 C -0.156      
4 H 0.122      
5 H 0.122      
6 H 0.120      
7 C -0.491      
8 H 0.099      
9 H 0.095      
10 C -0.287      
11 H 0.103      
12 H 0.094      
13 C -0.201      
14 H 0.100      
15 H 0.097      
16 C -0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.154 -0.171 0.041 0.234
CHELPG        
AIM        
ESP        


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 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> 170.656
(<r2>)1/2 13.064