return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-234.518906
Energy at 298.15K-234.529768
Nuclear repulsion energy232.181571
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 BLYP/aug-cc-pVDZ
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 3114 3108 28.03      
2 A 3089 3083 10.43      
3 A 3017 3011 56.19      
4 A 3013 3008 44.79      
5 A 3012 3006 13.91      
6 A 2976 2970 47.44      
7 A 2959 2954 27.97      
8 A 2946 2940 30.18      
9 A 2926 2920 49.80      
10 A 2892 2887 35.07      
11 A 1609 1606 3.25      
12 A 1448 1446 2.99      
13 A 1438 1435 4.92      
14 A 1434 1432 3.03      
15 A 1431 1428 1.06      
16 A 1354 1351 1.82      
17 A 1329 1326 4.00      
18 A 1287 1284 2.05      
19 A 1268 1265 1.46      
20 A 1258 1255 1.81      
21 A 1246 1244 1.23      
22 A 1178 1176 0.93      
23 A 1150 1148 0.61      
24 A 1100 1097 0.76      
25 A 1074 1072 3.52      
26 A 1062 1059 5.19      
27 A 1027 1025 1.64      
28 A 960 958 1.42      
29 A 938 937 1.30      
30 A 911 910 1.16      
31 A 901 899 0.65      
32 A 873 871 3.72      
33 A 820 819 1.71      
34 A 792 791 1.44      
35 A 736 735 0.45      
36 A 699 697 35.51      
37 A 576 575 6.01      
38 A 480 479 2.34      
39 A 331 330 0.03      
40 A 277 277 0.10      
41 A 223 223 0.04      
42 A 101 100 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 30626.5 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 30568.3 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 BLYP/aug-cc-pVDZ
ABC
0.21768 0.10372 0.07731

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.297 2.240 0.128
C2 0.099 1.216 0.107
H3 2.180 1.607 -0.387
C4 1.381 0.889 -0.159
H5 2.203 -0.853 0.855
H6 2.200 -1.012 -0.911
C7 1.619 -0.611 -0.058
H8 0.086 -2.052 0.702
H9 -0.133 -1.551 -0.993
C10 0.169 -1.195 0.010
H11 -0.935 -0.035 1.527
C12 -0.761 -0.003 0.428
H13 -2.760 0.846 0.065
H14 -2.700 -0.938 -0.021
H15 -2.031 0.046 -1.361
C16 -2.143 -0.012 -0.261

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.09822.60772.17314.04254.22933.44024.34653.95613.46792.74542.30972.83103.98643.16852.9378
C21.09822.17371.34913.04373.22652.38223.32122.98602.41342.15671.52602.88393.53392.83962.5831
H32.60772.17371.09772.75582.67082.31144.35373.96063.47104.00793.45035.01885.51514.59534.6179
C42.17311.34911.09772.17712.20221.52263.32672.99002.41633.01062.39364.14784.47303.71463.6391
H54.04253.04372.75582.17711.77381.11062.43783.05992.22873.31223.11295.30554.98114.86304.5657
H64.22933.22652.67082.20221.77381.10702.85492.39582.23704.09023.40275.38604.98004.38424.5038
C73.44022.38222.31141.52261.11061.10702.23672.19731.56433.06132.50454.61754.33133.93133.8155
H84.34653.32124.35373.32672.43782.85492.23671.78111.10452.40692.23384.11173.08593.62453.1715
H93.95612.98603.96062.99003.05992.39582.19731.78111.10683.04842.19323.71032.81172.50702.6350
C103.46792.41343.47102.41632.22872.23701.56431.10451.10682.20631.56883.57112.88062.87432.6118
H112.74542.15674.00793.01063.31224.09023.06132.40693.04842.20631.11292.49892.51493.09012.1583
C122.30971.52603.45032.39363.11293.40272.50452.23382.19321.56881.11292.20252.19872.19501.5449
H132.83102.88395.01884.14785.30555.38604.61754.11173.71033.57112.49892.20251.78731.79071.1063
H143.98643.53395.51514.47304.98114.98004.33133.08592.81172.88062.51492.19871.78731.79151.1066
H153.16852.83964.59533.71464.86304.38423.93133.62452.50702.87433.09012.19501.79071.79151.1069
C162.93782.58314.61793.63914.56574.50383.81553.17152.63502.61182.15831.54491.10631.10661.1069

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 124.919 H1 C2 C12 122.479
C2 C4 H3 125.021 C2 C4 C7 111.967
C2 C12 C10 102.479 C2 C12 H11 108.614
C2 C12 C16 114.522 H3 C4 C7 122.976
C4 C2 C12 112.574 C4 C7 H5 110.565
C4 C7 H6 112.791 C4 C7 C10 103.025
H5 C7 H6 106.236 H5 C7 C10 111.737
H6 C7 C10 112.614 C7 C10 H8 112.746
C7 C10 H9 109.512 C7 C10 C12 106.140
H8 C10 H9 107.310 H8 C10 C12 112.193
H9 C10 C12 108.888 C10 C12 H11 109.543
C10 C12 C16 114.029 H11 C12 C16 107.482
C12 C16 H13 111.275 C12 C16 H14 110.957
C12 C16 H15 110.650 H13 C16 H14 107.738
H13 C16 H15 108.022 H14 C16 H15 108.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.743      
2 C 0.776      
3 H -0.643      
4 C 0.366      
5 H -0.472      
6 H -0.465      
7 C 1.118      
8 H -0.498      
9 H -0.574      
10 C 1.112      
11 H -0.574      
12 C 0.569      
13 H -0.389      
14 H -0.319      
15 H -0.262      
16 C 0.998      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.002 -0.214 0.170 0.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.038 -0.293 -0.665
y -0.293 -39.150 -0.086
z -0.665 -0.086 -40.182
Traceless
 xyz
x 0.628 -0.293 -0.665
y -0.293 0.460 -0.086
z -0.665 -0.086 -1.088
Polar
3z2-r2-2.176
x2-y20.113
xy-0.293
xz-0.665
yz-0.086


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.543 -0.277 -0.303
y -0.277 11.218 -0.067
z -0.303 -0.067 9.281


<r2> (average value of r2) Å2
<r2> 168.683
(<r2>)1/2 12.988