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All results from a given calculation for C6H10 (Cyclopentene, 1-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-234.313726
Energy at 298.15K-234.324453
Nuclear repulsion energy232.111850
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 3123 3078 21.79      
2 A 3062 3018 21.46      
3 A 3051 3007 38.43      
4 A 3010 2967 24.23      
5 A 3007 2964 56.10      
6 A 2994 2951 32.91      
7 A 2986 2944 10.38      
8 A 2961 2919 42.40      
9 A 2941 2899 54.97      
10 A 2940 2898 36.86      
11 A 1686 1662 2.04      
12 A 1485 1464 0.74      
13 A 1471 1450 6.32      
14 A 1466 1445 0.67      
15 A 1461 1440 0.37      
16 A 1460 1439 8.63      
17 A 1390 1370 1.12      
18 A 1334 1315 1.18      
19 A 1300 1282 0.52      
20 A 1295 1276 2.41      
21 A 1253 1235 1.76      
22 A 1224 1207 1.88      
23 A 1203 1186 1.09      
24 A 1152 1135 0.79      
25 A 1127 1110 1.28      
26 A 1066 1050 0.15      
27 A 1028 1013 2.31      
28 A 1007 993 6.64      
29 A 997 983 5.58      
30 A 929 915 1.23      
31 A 905 892 0.54      
32 A 885 872 0.30      
33 A 860 848 0.39      
34 A 814 802 2.41      
35 A 782 771 9.85      
36 A 637 628 2.01      
37 A 565 557 0.21      
38 A 428 422 2.90      
39 A 309 305 0.57      
40 A 236 232 2.01      
41 A 179 176 0.76      
42 A 134 132 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 31069.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 30625.2 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
0.23022 0.10027 0.07431

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)
C1 -0.761 0.073 -0.002
H2 -0.334 2.194 -0.072
C3 0.033 1.163 -0.025
H4 -2.672 -0.446 0.866
H5 -2.625 -0.561 -0.899
H6 -2.694 1.045 -0.118
C7 -2.259 0.035 -0.041
H8 -0.027 -1.603 1.159
H9 -0.262 -1.998 -0.549
C10 0.070 -1.192 0.133
H11 1.744 -0.900 -1.230
H12 2.276 -1.245 0.429
C13 1.514 -0.715 -0.166
H14 1.883 1.068 1.102
H15 2.137 1.371 -0.623
C16 1.499 0.817 0.091

Atom - Atom Distances (Å)
  C1 H2 C3 H4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 H15 C16
C12.16561.34892.16232.16302.16671.49892.16742.19891.51972.95513.33892.41373.03373.23592.3819
H22.16561.09603.65043.67802.62602.89384.00434.21983.41673.90304.34623.44772.75012.66182.2988
C31.34891.09603.27133.28632.73122.55483.00933.21722.36032.93893.32172.39572.16832.19741.5112
H42.16233.65043.27131.77031.78711.10722.90223.19682.93534.91005.03164.32054.80645.35254.4272
H52.16303.67803.28631.77031.78801.10693.47452.78672.95374.39435.12344.20615.19425.14594.4595
H62.16672.62602.73121.78711.78801.10263.96993.91913.56504.97195.49974.56194.73734.86844.2050
C71.49892.89382.55481.10721.10691.10263.01812.89442.63864.27974.73603.84944.41994.63153.8415
H82.16744.00433.00932.90223.47453.96993.01811.76951.11033.05662.44272.21873.28424.08713.0542
H92.19894.21983.21723.19682.78673.91912.89441.76951.10672.38632.82282.22464.08984.13613.3815
C101.51973.41672.36032.93532.95373.56502.63861.11031.10672.17842.22651.55013.05503.37792.4657
H112.95513.90302.93894.91004.39434.97194.27973.05662.38632.17841.77631.10413.05442.38302.1800
H123.33894.34623.32175.03165.12345.49974.73602.44272.82282.22651.77631.10262.44002.82242.2287
C132.41373.44772.39574.32054.20614.56193.84942.21872.22461.55011.10411.10262.21842.22381.5530
H143.03372.75012.16834.80645.19424.73734.41993.28424.08983.05503.05442.44002.21841.76961.1101
H153.23592.66182.19745.35255.14594.86844.63154.08714.13613.37792.38302.82242.22381.76961.1059
C162.38192.29881.51124.42724.45954.20503.84153.05423.38152.46572.18002.22871.55301.11011.1059

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 124.373 C1 C3 C16 112.655
C1 C7 H4 111.246 C1 C7 H5 111.318
C1 C7 H6 111.884 C1 C10 H8 110.022
C1 C10 H9 112.756 C1 C10 C13 103.675
H2 C3 C16 122.911 C3 C1 C7 127.480
C3 C1 C10 110.595 C3 C16 C13 102.852
C3 C16 H14 110.696 C3 C16 H15 113.295
H4 C7 H5 106.170 H4 C7 H6 107.940
H5 C7 H6 108.034 C7 C1 C10 121.879
H8 C10 H9 105.907 H8 C10 C13 111.960
H9 C10 C13 112.651 C10 C13 H11 109.160
C10 C13 H12 113.053 C10 C13 C16 105.235
H11 C13 H12 107.207 H11 C13 C16 109.090
H12 C13 C16 113.024 C13 C16 H14 111.742
C13 C16 H15 112.423 H14 C16 H15 105.984
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 C 0.184      
2 H 0.121      
3 C -0.156      
4 H 0.167      
5 H 0.166      
6 H 0.167      
7 C -0.565      
8 H 0.154      
9 H 0.149      
10 C -0.354      
11 H 0.158      
12 H 0.147      
13 C -0.309      
14 H 0.155      
15 H 0.151      
16 C -0.335      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.152 -0.189 0.056 0.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.896 0.186 0.063
y 0.186 -37.206 -0.056
z 0.063 -0.056 -38.438
Traceless
 xyz
x 0.926 0.186 0.063
y 0.186 0.461 -0.056
z 0.063 -0.056 -1.387
Polar
3z2-r2-2.775
x2-y20.310
xy0.186
xz0.063
yz-0.056


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.958 0.871 0.097
y 0.871 9.886 -0.112
z 0.097 -0.112 6.906


<r2> (average value of r2) Å2
<r2> 171.592
(<r2>)1/2 13.099