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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-234.321217
Energy at 298.15K-234.332144
Nuclear repulsion energy233.759227
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 PBEPBE/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 3147 3104 31.62      
2 A 3122 3079 7.84      
3 A 3054 3013 23.34      
4 A 3050 3008 41.57      
5 A 3006 2965 34.14      
6 A 3001 2960 33.72      
7 A 2974 2933 36.32      
8 A 2969 2928 8.11      
9 A 2933 2893 26.00      
10 A 2932 2892 42.54      
11 A 1648 1625 3.43      
12 A 1466 1446 6.35      
13 A 1462 1442 2.12      
14 A 1451 1432 0.49      
15 A 1443 1424 1.01      
16 A 1372 1353 2.34      
17 A 1338 1320 0.12      
18 A 1332 1313 4.54      
19 A 1294 1276 1.79      
20 A 1267 1250 0.11      
21 A 1251 1234 3.08      
22 A 1201 1185 0.39      
23 A 1136 1121 0.04      
24 A 1115 1100 2.40      
25 A 1103 1088 0.23      
26 A 1083 1068 0.32      
27 A 1040 1026 1.39      
28 A 970 956 9.95      
29 A 968 955 0.23      
30 A 928 915 0.05      
31 A 907 894 3.59      
32 A 905 893 4.66      
33 A 880 868 0.00      
34 A 807 796 1.33      
35 A 755 745 0.42      
36 A 681 672 29.36      
37 A 556 549 3.75      
38 A 409 404 1.28      
39 A 384 379 0.14      
40 A 306 301 0.09      
41 A 249 246 0.01      
42 A 99 98 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 30997.0 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 30572.3 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 PBEPBE/6-31G**
ABC
0.22305 0.10529 0.07771

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.450 1.303 -0.136
C2 1.559 0.673 -0.061
H3 2.450 -1.303 -0.136
C4 1.559 -0.673 -0.061
H5 -0.144 1.622 -1.004
H6 0.041 2.074 0.696
C7 0.155 1.231 -0.009
H8 0.041 -2.074 0.696
H9 -0.144 -1.622 -1.004
C10 0.155 -1.231 -0.009
H11 -0.776 -0.000 1.498
C12 -0.709 -0.000 0.393
H13 -2.693 0.890 0.136
H14 -2.693 -0.890 0.136
H15 -2.098 -0.000 -1.288
C16 -2.125 -0.000 -0.184

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.09422.60502.16832.75422.66292.29984.23024.00443.42083.84353.45765.16665.59734.86904.7570
C21.09422.16831.34532.16552.19991.51153.22773.00882.36572.88652.40824.26154.53373.91493.7463
H32.60502.16831.09424.00444.23023.42082.66292.75422.29983.84343.45765.59735.16664.86904.7570
C42.16831.34531.09423.00883.22772.36572.19992.16551.51142.88652.40824.53374.26153.91493.7463
H52.75422.16554.00443.00881.76931.11024.07213.24363.03613.04772.21412.88643.75542.55492.6880
H62.66292.19994.23023.22771.76931.10484.14714.07213.38092.36832.22563.03154.07053.57953.1251
C72.29981.51153.42082.36571.11021.10483.38093.03612.46192.15681.55662.87183.55362.86812.5968
H84.23023.22772.66292.19994.07214.14713.38091.76931.10482.36832.22564.07053.03153.57953.1251
H94.00443.00882.75422.16553.24364.07213.03611.76931.11023.04772.21413.75542.88652.55492.6881
C103.42082.36572.29981.51143.03613.38092.46191.10481.11022.15681.55663.55362.87182.86812.5968
H113.84352.88653.84342.88653.04772.36832.15682.36833.04772.15681.10622.51422.51423.08362.1561
C123.45762.40823.45762.40822.21412.22561.55662.22562.21411.55661.10622.18972.18972.18111.5295
H135.16664.26155.59734.53372.88643.03152.87184.07053.75543.55362.51422.18971.77941.78151.1031
H145.59734.53375.16664.26153.75544.07053.55363.03152.88652.87182.51422.18971.77941.78151.1031
H154.86903.91494.86903.91492.55493.57952.86813.57952.55492.86813.08362.18111.78151.78151.1042
C164.75703.74634.75703.74632.68803.12512.59683.12512.68812.59682.15611.52951.10311.10311.1042

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 125.146 H1 C2 C7 123.120
C2 C4 H3 125.146 C2 C4 C10 111.677
C2 C7 H5 110.444 C2 C7 H6 113.547
C2 C7 C12 103.418 H3 C4 C10 123.120
C4 C2 C7 111.677 C4 C10 H8 113.546
C4 C10 H9 110.445 C4 C10 C12 103.418
H5 C7 H6 106.027 H5 C7 C12 111.142
H6 C7 C12 112.381 C7 C12 C10 104.515
C7 C12 H11 106.963 C7 C12 C16 114.584
H8 C10 H9 106.027 H8 C10 C12 112.381
H9 C10 C12 111.143 C10 C12 H11 106.963
C10 C12 C16 114.585 H11 C12 C16 108.716
C12 C16 H13 111.537 C12 C16 H14 111.537
C12 C16 H15 110.788 H13 C16 H14 107.528
H13 C16 H15 107.629 H14 C16 H15 107.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.089      
2 C -0.080      
3 H 0.089      
4 C -0.080      
5 H 0.117      
6 H 0.114      
7 C -0.241      
8 H 0.114      
9 H 0.117      
10 C -0.241      
11 H 0.116      
12 C -0.099      
13 H 0.117      
14 H 0.117      
15 H 0.117      
16 C -0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.205 0.000 0.011 0.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.778 0.000 -0.347
y 0.000 -36.721 0.000
z -0.347 0.000 -38.760
Traceless
 xyz
x -0.038 0.000 -0.347
y 0.000 1.548 0.000
z -0.347 0.000 -1.510
Polar
3z2-r2-3.021
x2-y2-1.058
xy0.000
xz-0.347
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.035 0.000 -0.057
y 0.000 10.383 0.000
z -0.057 0.000 6.908


<r2> (average value of r2) Å2
<r2> 165.266
(<r2>)1/2 12.856