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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-234.587039
Energy at 298.15K-234.598167
Nuclear repulsion energy235.319434
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 mPW1PW91/6-31G*
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 3247 3079 30.76      
2 A 3222 3055 9.09      
3 A 3144 2982 25.89      
4 A 3141 2979 46.57      
5 A 3103 2943 36.09      
6 A 3098 2938 34.40      
7 A 3066 2908 37.91      
8 A 3063 2905 8.92      
9 A 3034 2877 37.07      
10 A 3034 2877 31.61      
11 A 1723 1634 2.61      
12 A 1535 1455 7.62      
13 A 1531 1451 2.56      
14 A 1525 1446 0.33      
15 A 1517 1438 1.27      
16 A 1441 1367 3.55      
17 A 1400 1328 3.63      
18 A 1399 1327 0.32      
19 A 1359 1289 2.44      
20 A 1328 1260 0.12      
21 A 1314 1247 3.45      
22 A 1258 1192 0.42      
23 A 1192 1130 0.00      
24 A 1169 1108 2.50      
25 A 1148 1089 0.24      
26 A 1129 1070 0.52      
27 A 1087 1031 1.81      
28 A 1010 957 9.38      
29 A 1002 950 0.43      
30 A 979 929 0.00      
31 A 945 897 5.10      
32 A 942 893 4.00      
33 A 920 873 0.01      
34 A 840 797 1.31      
35 A 783 743 0.47      
36 A 713 676 34.65      
37 A 576 546 3.83      
38 A 424 402 1.19      
39 A 398 378 0.09      
40 A 314 298 0.09      
41 A 255 242 0.01      
42 A 106 100 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 32206.4 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 30541.3 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 mPW1PW91/6-31G*
ABC
0.22631 0.10658 0.07870

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.435 1.292 -0.130
C2 1.550 0.667 -0.060
H3 2.435 -1.291 -0.130
C4 1.550 -0.667 -0.060
H5 -0.142 1.609 -1.000
H6 0.040 2.057 0.690
C7 0.153 1.223 -0.012
H8 0.039 -2.058 0.689
H9 -0.141 -1.609 -1.000
C10 0.153 -1.223 -0.012
H11 -0.767 -0.000 1.486
C12 -0.703 -0.000 0.390
H13 -2.674 0.884 0.140
H14 -2.674 -0.884 0.140
H15 -2.089 0.000 -1.277
C16 -2.113 0.000 -0.181

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08552.58302.14992.73762.64482.28594.19853.97543.39783.81203.43255.13215.55914.84204.7274
C21.08552.14991.33332.15252.18571.50463.20402.98692.35072.86392.39194.23424.50393.89453.7247
H32.58302.14991.08553.97614.19813.39782.64512.73772.28613.81193.43255.55925.13224.84244.7276
C42.14991.33331.08552.98753.20372.35072.18592.15241.50472.86392.39194.50404.23433.89473.7248
H52.73762.15253.97612.98751.75781.10084.04153.21783.01423.02642.19932.87023.73172.54122.6729
H62.64482.18574.19813.20371.75781.09614.11524.04113.35692.34892.20783.00764.03963.55433.1024
C72.28591.50463.39782.35071.10081.09613.35713.01382.44652.14151.54602.85133.52902.84992.5802
H84.19853.20402.64512.18594.04154.11523.35711.75781.09612.34922.20784.03953.00733.55413.1023
H93.97542.98692.73772.15243.21784.04113.01381.75781.10083.02652.19923.73172.87042.54132.6729
C103.39782.35072.28611.50473.01423.35692.44651.09611.10082.14141.54593.52892.85122.85002.5801
H113.81202.86393.81192.86393.02642.34892.14152.34923.02652.14141.09732.49582.49593.06252.1422
C123.43252.39193.43252.39192.19932.20781.54602.20782.19921.54591.09732.17492.17492.16831.5214
H135.13214.23425.55924.50402.87023.00762.85134.03953.73173.52892.49582.17491.76741.76901.0950
H145.55914.50395.13224.23433.73174.03963.52903.00732.87042.85122.49592.17491.76741.76901.0950
H154.84203.89454.84243.89472.54123.55432.84993.55412.54132.85003.06252.16831.76901.76901.0959
C164.72743.72474.72763.72482.67293.10242.58023.10232.67292.58012.14221.52141.09501.09501.0959

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 125.147 H1 C2 C7 123.084
C2 C4 H3 125.147 C2 C4 C10 111.706
C2 C7 H5 110.459 C2 C7 H6 113.437
C2 C7 C12 103.261 H3 C4 C10 123.093
C4 C2 C7 111.716 C4 C10 H8 113.450
C4 C10 H9 110.437 C4 C10 C12 103.261
H5 C7 H6 106.282 H5 C7 C12 111.277
H6 C7 C12 112.238 C7 C12 C10 104.604
C7 C12 H11 106.992 C7 C12 C16 114.524
H8 C10 H9 106.282 H8 C10 C12 112.251
H9 C10 C12 111.271 C10 C12 H11 106.996
C10 C12 C16 114.526 H11 C12 C16 108.698
C12 C16 H13 111.413 C12 C16 H14 111.413
C12 C16 H15 110.831 H13 C16 H14 107.610
H13 C16 H15 107.697 H14 C16 H15 107.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.158      
2 C -0.143      
3 H 0.158      
4 C -0.143      
5 H 0.170      
6 H 0.169      
7 C -0.359      
8 H 0.169      
9 H 0.170      
10 C -0.359      
11 H 0.169      
12 C -0.140      
13 H 0.170      
14 H 0.170      
15 H 0.167      
16 C -0.525      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.158 0.000 0.015 0.159
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.542 -0.000 -0.375
y -0.000 -36.463 -0.000
z -0.375 -0.000 -38.589
Traceless
 xyz
x -0.017 -0.000 -0.375
y -0.000 1.603 -0.000
z -0.375 -0.000 -1.586
Polar
3z2-r2-3.172
x2-y2-1.080
xy-0.000
xz-0.375
yz-0.000


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> 163.293
(<r2>)1/2 12.779