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All results from a given calculation for C6H10 (Cyclopentene, 3-methyl-)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-39.832204
Energy at 298.15K-39.843234
Nuclear repulsion energy125.715543
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/CEP-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 3208 3106 40.21      
2 A 3168 3068 10.68      
3 A 3113 3014 148.09      
4 A 3105 3006 9.23      
5 A 3102 3004 71.25      
6 A 3072 2975 59.91      
7 A 3044 2948 39.77      
8 A 3021 2926 46.92      
9 A 3018 2922 71.16      
10 A 2991 2896 48.85      
11 A 1661 1608 2.67      
12 A 1514 1466 4.01      
13 A 1510 1462 7.42      
14 A 1508 1461 6.29      
15 A 1498 1450 2.48      
16 A 1423 1378 5.26      
17 A 1384 1340 8.23      
18 A 1338 1295 0.31      
19 A 1327 1285 0.07      
20 A 1312 1270 3.95      
21 A 1306 1265 0.86      
22 A 1223 1184 1.16      
23 A 1203 1165 0.16      
24 A 1145 1109 1.93      
25 A 1120 1084 5.64      
26 A 1106 1071 10.64      
27 A 1078 1044 2.48      
28 A 1006 974 2.76      
29 A 983 952 0.38      
30 A 970 939 2.95      
31 A 948 918 1.21      
32 A 906 877 4.91      
33 A 855 828 2.96      
34 A 823 797 3.41      
35 A 757 733 57.22      
36 A 746 723 9.31      
37 A 583 564 7.34      
38 A 490 475 3.82      
39 A 335 325 0.07      
40 A 281 272 0.15      
41 A 222 215 0.02      
42 A 123 120 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 31760.3 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 30756.6 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/CEP-31G
ABC
0.21647 0.10248 0.07643

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.312 2.254 0.105
C2 0.105 1.242 0.103
H3 2.196 1.643 -0.401
C4 1.408 0.926 -0.161
H5 2.198 -0.812 0.909
H6 2.273 -0.989 -0.857
C7 1.658 -0.586 -0.032
H8 0.110 -2.067 0.623
H9 -0.080 -1.474 -1.050
C10 0.201 -1.176 -0.023
H11 -0.886 -0.049 1.540
C12 -0.738 -0.001 0.442
H13 -2.757 0.836 0.099
H14 -2.685 -0.947 0.002
H15 -2.036 0.048 -1.336
C16 -2.138 -0.017 -0.237

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.09352.63042.18854.04214.25623.45824.37193.90883.47042.77362.31882.82663.98603.14842.9338
C21.09352.18861.36663.04143.25552.40273.35012.95622.42402.17181.53962.89013.54772.84212.5943
H32.63042.18861.09282.78262.67172.32234.37813.91353.47454.01693.46765.04335.54074.61834.6441
C42.18851.36661.09282.18802.21301.53753.35502.96002.42773.01772.41394.17354.50403.74303.6697
H54.04213.04142.78262.18801.77631.10802.45333.07642.23343.23893.08165.28364.96814.86854.5545
H64.25623.25552.67172.21301.77631.10482.83382.41012.24084.07533.42475.43475.03194.45744.5588
C73.45822.40272.32231.53751.10801.10482.24072.20141.57213.03862.51184.63984.35833.96833.8439
H84.37193.35014.37813.35502.45332.83382.24071.78461.10402.43042.24104.11283.07403.59343.1614
H93.90882.95623.91352.96003.07642.41012.20141.78461.10523.06412.19723.71702.85832.49452.6490
C103.47042.42403.47452.42772.23342.24081.57211.10401.10522.21331.57533.57952.89552.86832.6196
H112.77362.17184.01693.01773.23894.07533.03862.43043.06412.21331.10972.52182.53143.09912.1744
C122.31881.53963.46762.41393.08163.42472.51182.24102.19721.57531.10972.21152.20882.20131.5557
H132.82662.89015.04334.17355.28365.43474.63984.11283.71703.57952.52182.21151.78671.78831.1056
H143.98603.54775.54074.50404.96815.03194.35833.07402.85832.89552.53142.20881.78671.78961.1055
H153.14842.84214.61833.74304.86854.45743.96833.59342.49452.86833.09912.20131.78831.78961.1053
C162.93382.59434.64413.66974.55454.55883.84393.16142.64902.61962.17441.55571.10561.10551.1053

picture of Cyclopentene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.279 H1 C2 C12 122.527
C2 C4 H3 125.348 C2 C4 C7 111.519
C2 C12 C10 102.185 C2 C12 H11 109.040
C2 C12 C16 113.885 H3 C4 C7 123.103
C4 C2 C12 112.177 C4 C7 H5 110.550
C4 C7 H6 112.736 C4 C7 C10 102.650
H5 C7 H6 106.783 H5 C7 C10 111.718
H6 C7 C10 112.494 C7 C10 H8 112.538
C7 C10 H9 109.386 C7 C10 C12 105.893
H8 C10 H9 107.771 H8 C10 C12 112.341
H9 C10 C12 108.846 C10 C12 H11 109.822
C10 C12 C16 113.583 H11 C12 C16 108.163
C12 C16 H13 111.276 C12 C16 H14 111.067
C12 C16 H15 110.492 H13 C16 H14 107.811
H13 C16 H15 107.974 H14 C16 H15 108.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.283      
2 C -0.336      
3 H 0.286      
4 C -0.297      
5 H 0.127      
6 H 0.142      
7 C -0.229      
8 H 0.146      
9 H 0.135      
10 C -0.315      
11 H 0.138      
12 C -0.029      
13 H 0.148      
14 H 0.148      
15 H 0.140      
16 C -0.486      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.045 -0.266 0.172 0.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.141 -0.367 -0.741
y -0.367 -37.273 -0.214
z -0.741 -0.214 -38.791
Traceless
 xyz
x 0.891 -0.367 -0.741
y -0.367 0.692 -0.214
z -0.741 -0.214 -1.583
Polar
3z2-r2-3.166
x2-y20.132
xy-0.367
xz-0.741
yz-0.214


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.244 -0.386 -0.467
y -0.386 8.735 -0.112
z -0.467 -0.112 6.829


<r2> (average value of r2) Å2
<r2> 140.352
(<r2>)1/2 11.847