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

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3B3
 hartrees
Energy at 0K-234.414994
Energy at 298.15K-234.407911
Nuclear repulsion energy 
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*
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 3212 3085 36.15      
2 A 3188 3061 10.34      
3 A 3104 2981 30.82      
4 A 3103 2980 55.45      
5 A 3065 2943 41.78      
6 A 3059 2937 40.96      
7 A 3038 2918 38.52      
8 A 3030 2910 9.46      
9 A 3001 2882 27.71      
10 A 3001 2882 44.74      
11 A 1702 1634 2.86      
12 A 1532 1471 5.92      
13 A 1528 1467 1.88      
14 A 1524 1464 0.18      
15 A 1517 1457 0.46      
16 A 1440 1383 1.48      
17 A 1392 1337 0.08      
18 A 1392 1337 3.79      
19 A 1350 1297 2.11      
20 A 1325 1272 0.43      
21 A 1312 1260 3.71      
22 A 1251 1202 0.41      
23 A 1179 1132 0.06      
24 A 1159 1113 2.24      
25 A 1142 1097 0.20      
26 A 1119 1074 1.13      
27 A 1074 1031 1.40      
28 A 999 960 6.47      
29 A 984 945 0.35      
30 A 972 933 0.00      
31 A 944 907 4.12      
32 A 932 895 3.58      
33 A 913 877 0.47      
34 A 822 790 1.00      
35 A 777 746 0.36      
36 A 708 680 29.12      
37 A 576 553 3.35      
38 A 425 408 0.93      
39 A 396 380 0.08      
40 A 315 303 0.09      
41 A 254 244 0.01      
42 A 103 99 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 31929.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 30661.9 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*
ABC
0.22373 0.10565 0.07801

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.441 1.294 -0.148
C2 1.556 0.668 -0.068
H3 2.441 -1.294 -0.148
C4 1.556 -0.668 -0.068
H5 -0.148 1.634 -0.981
H6 0.053 2.058 0.714
C7 0.155 1.231 -0.001
H8 0.053 -2.058 0.714
H9 -0.148 -1.634 -0.981
C10 0.155 -1.231 -0.001
H11 -0.788 -0.000 1.491
C12 -0.709 -0.000 0.396
H13 -2.686 0.885 0.122
H14 -2.686 -0.885 0.122
H15 -2.087 -0.000 -1.290
C16 -2.120 -0.000 -0.193

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08702.58782.15362.74082.65172.29174.20503.99623.40933.84603.44915.15085.57774.84584.7417
C21.08702.15361.33572.16112.19191.51153.20963.00602.36082.89402.40714.25224.52163.90023.7388
H32.58782.15361.08703.99624.20503.40932.65172.74082.29173.84603.44915.57775.15084.84584.7417
C42.15361.33571.08703.00603.20962.36082.19192.16111.51152.89392.40714.52164.25223.90023.7388
H52.74082.16113.99623.00601.75911.10244.06763.26843.04343.03212.20942.86753.74272.55472.6800
H62.65172.19194.20503.20961.75911.09794.11564.06773.36732.35492.21753.03784.06363.58223.1275
C72.29171.51153.40932.36081.10241.09793.36733.04352.46222.15221.55572.86503.54482.86452.5943
H84.20503.20962.65172.19194.06764.11563.36731.75911.09792.35492.21754.06363.03783.58223.1275
H93.99623.00602.74082.16113.26844.06773.04351.75911.10243.03212.20943.74272.86762.55472.6800
C103.40932.36082.29171.51153.04343.36732.46221.09791.10242.15221.55573.54482.86502.86452.5943
H113.84602.89403.84602.89393.03212.35492.15222.35493.03212.15221.09852.50172.50173.06982.1476
C123.44912.40713.44912.40712.20942.21751.55572.21752.20941.55571.09852.18302.18302.17711.5289
H135.15084.25225.57774.52162.86753.03782.86504.06363.74273.54482.50172.18301.76991.77151.0968
H145.57774.52165.15084.25223.74274.06363.54483.03782.86762.86502.50172.18301.76991.77151.0968
H154.84583.90024.84583.90022.55473.58222.86453.58222.55472.86453.06982.17711.77151.77151.0975
C164.74173.73884.74173.73882.68003.12752.59433.12752.68002.59432.14761.52891.09681.09681.0975

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 125.165 H1 C2 C7 122.912
C2 C4 H3 125.165 C2 C4 C10 111.878
C2 C7 H5 110.561 C2 C7 H6 113.329
C2 C7 C12 103.393 H3 C4 C10 122.911
C4 C2 C7 111.878 C4 C10 H8 113.327
C4 C10 H9 110.563 C4 C10 C12 103.393
H5 C7 H6 106.160 H5 C7 C12 111.301
H6 C7 C12 112.219 C7 C12 C10 104.623
C7 C12 H11 107.101 C7 C12 C16 114.502
H8 C10 H9 106.160 H8 C10 C12 112.218
H9 C10 C12 111.303 C10 C12 H11 107.101
C10 C12 C16 114.502 H11 C12 C16 108.535
C12 C16 H13 111.418 C12 C16 H14 111.419
C12 C16 H15 110.907 H13 C16 H14 107.578
H13 C16 H15 107.667 H14 C16 H15 107.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.122 0.116   0.127
2 C -0.107 -0.230   -0.209
3 H 0.122 0.116   0.127
4 C -0.107 -0.230   -0.209
5 H 0.139 -0.021   0.043
6 H 0.137 -0.034   0.022
7 C -0.303 0.158   -0.027
8 H 0.137 -0.034   0.022
9 H 0.139 -0.021   0.043
10 C -0.303 0.158   -0.027
11 H 0.132 -0.027   0.007
12 C -0.078 0.151   0.220
13 H 0.141 0.056   0.101
14 H 0.141 0.056   0.101
15 H 0.141 0.061   0.113
16 C -0.453 -0.278   -0.454


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.141 0.000 0.026 0.143
CHELPG -0.100 0.000 -0.006 0.100
AIM        
ESP -0.137 0.000 0.005 0.137


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> 164.780
(<r2>)1/2 12.837