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

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-234.510727
Energy at 298.15K-234.521676
Nuclear repulsion energy232.541362
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 B3PW91/6-31G
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 3219 3083 21.01      
2 A 3140 3007 24.36      
3 A 3131 2999 44.99      
4 A 3091 2961 29.92      
5 A 3086 2955 58.12      
6 A 3075 2945 27.15      
7 A 3065 2935 12.83      
8 A 3032 2904 52.08      
9 A 3025 2897 54.49      
10 A 3024 2896 37.48      
11 A 1746 1672 2.48      
12 A 1548 1483 2.04      
13 A 1535 1470 7.89      
14 A 1530 1465 2.43      
15 A 1527 1463 1.00      
16 A 1523 1459 11.80      
17 A 1457 1395 4.08      
18 A 1389 1330 2.90      
19 A 1353 1296 3.79      
20 A 1341 1285 1.57      
21 A 1325 1269 1.17      
22 A 1274 1220 1.51      
23 A 1256 1203 0.98      
24 A 1202 1151 0.98      
25 A 1187 1137 0.93      
26 A 1121 1074 0.12      
27 A 1073 1027 2.75      
28 A 1059 1014 7.67      
29 A 1054 1009 6.79      
30 A 962 922 1.83      
31 A 937 897 0.55      
32 A 924 885 1.23      
33 A 891 854 0.21      
34 A 854 818 7.31      
35 A 821 786 9.99      
36 A 681 652 2.93      
37 A 594 569 0.14      
38 A 448 429 4.58      
39 A 325 312 0.62      
40 A 242 232 2.77      
41 A 176 168 0.70      
42 A 119 114 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 32180.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 30818.8 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 B3PW91/6-31G
ABC
0.23079 0.10059 0.07433

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.761 0.074 -0.000
H2 -0.335 2.185 -0.064
C3 0.027 1.162 -0.019
H4 -2.662 -0.454 0.862
H5 -2.618 -0.548 -0.897
H6 -2.689 1.036 -0.100
C7 -2.257 0.033 -0.036
H8 -0.050 -1.638 1.115
H9 -0.250 -1.965 -0.603
C10 0.067 -1.195 0.113
H11 1.800 -0.933 -1.179
H12 2.247 -1.219 0.504
C13 1.520 -0.716 -0.141
H14 1.899 1.099 1.064
H15 2.107 1.353 -0.665
C16 1.496 0.823 0.077

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.15491.34372.15312.15322.15651.49642.16352.18701.51942.99423.31312.41823.04323.20982.3791
H22.15491.08633.63863.65742.61972.88614.01114.18643.40873.94064.31053.44462.72792.64822.2864
C31.34371.08633.25883.26922.71982.54793.02223.19342.36112.97993.29752.40242.16382.18581.5105
H42.15313.63863.25881.76201.77401.09912.87873.20112.92514.93044.98134.30864.82275.32344.4197
H52.15323.65743.26921.76201.77461.09893.43882.77452.93994.44365.10654.20915.19205.09754.4435
H62.15652.61972.71981.77401.77461.09463.94823.89953.55175.01935.46014.55894.73364.83864.1935
C71.49642.88612.54791.09911.09891.09462.99722.88732.63184.32404.70553.85144.42944.60193.8363
H82.16354.01113.02222.87873.43883.94822.99721.76041.10173.03062.41392.21223.36104.09523.0860
H92.18704.18643.19343.20112.77453.89952.88731.76041.09852.36702.83182.21514.09754.07103.3591
C101.51943.40872.36112.92512.93993.55172.63181.10171.09852.17802.21531.55103.08623.35582.4727
H112.99423.94062.97994.93044.44365.01934.32403.03062.36702.17801.76451.09663.02802.36362.1800
H123.31314.31053.29754.98135.10655.46014.70552.41392.83182.21531.76451.09472.41022.82962.2173
C132.41823.44462.40244.30864.20914.55893.85142.21222.21511.55101.09661.09472.21162.21421.5545
H143.04322.72792.16384.82275.19204.73364.42943.36104.09753.08623.02802.41022.21161.75961.1014
H153.20982.64822.18585.32345.09754.83864.60194.09524.07103.35582.36362.82962.21421.75961.0979
C162.37912.28641.51054.41974.44354.19353.83633.08603.35912.47272.18002.21731.55451.10141.0979

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 124.609 C1 C3 C16 112.801
C1 C7 H4 111.181 C1 C7 H5 111.204
C1 C7 H6 111.730 C1 C10 H8 110.238
C1 C10 H9 112.314 C1 C10 C13 103.916
H2 C3 C16 122.559 C3 C1 C7 127.477
C3 C1 C10 110.959 C3 C16 C13 103.217
C3 C16 H14 110.907 C3 C16 H15 112.904
H4 C7 H5 106.574 H4 C7 H6 107.931
H5 C7 H6 107.999 C7 C1 C10 121.536
H8 C10 H9 106.270 H8 C10 C13 111.892
H9 C10 C13 112.326 C10 C13 H11 109.505
C10 C13 H12 112.576 C10 C13 C16 105.546
H11 C13 H12 107.272 H11 C13 C16 109.422
H12 C13 C16 112.493 C13 C16 H14 111.624
C13 C16 H15 112.045 H14 C16 H15 106.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.102      
2 H 0.143      
3 C -0.143      
4 H 0.168      
5 H 0.168      
6 H 0.168      
7 C -0.537      
8 H 0.163      
9 H 0.158      
10 C -0.355      
11 H 0.166      
12 H 0.154      
13 C -0.322      
14 H 0.163      
15 H 0.159      
16 C -0.356      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.148 -0.221 0.055 0.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.614 0.184 0.055
y 0.184 -37.024 -0.054
z 0.055 -0.054 -38.622
Traceless
 xyz
x 1.209 0.184 0.055
y 0.184 0.594 -0.054
z 0.055 -0.054 -1.803
Polar
3z2-r2-3.606
x2-y20.410
xy0.184
xz0.055
yz-0.054


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> 171.170
(<r2>)1/2 13.083