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

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-232.325985
Energy at 298.15K-232.337067
HF Energy-231.719183
Nuclear repulsion energy231.828860
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 QCISD/3-21G
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 3188 3089 20.51      
2 A 3156 3059 6.06      
3 A 3101 3006 43.38      
4 A 3086 2991 20.48      
5 A 3079 2984 27.23      
6 A 3073 2978 22.11      
7 A 3044 2950 16.47      
8 A 3029 2936 29.48      
9 A 3017 2924 20.00      
10 A 3015 2922 19.68      
11 A 1654 1603 0.12      
12 A 1578 1529 5.21      
13 A 1575 1526 2.62      
14 A 1570 1522 1.71      
15 A 1554 1506 1.32      
16 A 1470 1425 3.28      
17 A 1404 1361 4.27      
18 A 1380 1337 1.01      
19 A 1362 1320 0.14      
20 A 1350 1308 2.97      
21 A 1345 1303 0.84      
22 A 1260 1222 0.94      
23 A 1235 1197 0.27      
24 A 1177 1140 0.12      
25 A 1148 1113 2.45      
26 A 1132 1097 5.93      
27 A 1063 1030 0.76      
28 A 1013 982 0.66      
29 A 974 944 1.08      
30 A 959 930 0.85      
31 A 929 900 0.59      
32 A 878 851 1.95      
33 A 850 824 0.75      
34 A 820 795 2.33      
35 A 769 745 0.16      
36 A 747 724 35.72      
37 A 604 585 6.58      
38 A 496 481 2.36      
39 A 346 336 0.08      
40 A 281 272 0.12      
41 A 244 236 0.06      
42 A 93 90 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 32021.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 31035.3 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 QCISD/3-21G
ABC
0.21385 0.10410 0.07747

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.308 2.232 0.150
C2 0.098 1.222 0.121
H3 2.164 1.606 -0.410
C4 1.372 0.900 -0.167
H5 2.203 -0.850 0.841
H6 2.173 -1.008 -0.934
C7 1.625 -0.616 -0.066
H8 0.093 -2.056 0.709
H9 -0.148 -1.538 -0.983
C10 0.163 -1.206 0.018
H11 -0.942 -0.047 1.545
C12 -0.766 -0.007 0.457
H13 -2.746 0.850 0.023
H14 -2.689 -0.933 -0.061
H15 -1.961 0.046 -1.367
C16 -2.131 -0.011 -0.282

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 C12 H13 H14 H15 C16
H11.08922.61102.16754.03604.22353.44914.34363.94063.47332.74602.30602.80513.96663.13292.9227
C21.08922.16731.34523.04083.22442.39693.33072.98332.43142.17211.53942.86933.52782.79992.5791
H32.61102.16731.08842.75692.66682.31204.35343.94463.47764.02483.45514.98605.48814.51294.5910
C42.16751.34521.08842.18462.20771.54033.33812.98682.43543.03012.40484.12194.45663.64403.6212
H54.03603.04082.75692.18461.78251.10142.43383.05422.22813.32203.11095.29614.97524.79854.5556
H64.22353.22442.66682.20771.78251.09912.85032.38102.23274.09593.40275.34424.94034.28874.4661
C73.44912.39692.31201.54031.10141.09912.24102.19851.57833.08382.52234.61024.32533.87183.8104
H84.34363.33074.35343.33812.43382.85032.24101.78631.09772.41022.23674.11983.09753.59943.1804
H93.94062.98333.94462.98683.05422.38102.19851.78631.10013.04092.19123.66902.77012.43872.5995
C103.47332.43143.47762.43542.22812.23271.57831.09771.10012.21301.57963.56202.86642.82912.6046
H112.74602.17214.02483.03013.32204.09593.08382.41023.04092.21301.10292.52402.53293.08702.1803
C122.30601.53943.45512.40483.11093.40272.52232.23672.19121.57961.10292.19962.19612.18161.5521
H132.80512.86934.98604.12195.29615.34424.61024.11983.66903.56202.52402.19961.78581.78721.1005
H143.96663.52785.48814.45664.97524.94034.32533.09752.77012.86642.53292.19611.78581.78791.1005
H153.13292.79994.51293.64404.79854.28873.87183.59942.43872.82913.08702.18161.78721.78791.1000
C162.92272.57914.59103.62124.55564.46613.81043.18042.59952.60462.18031.55211.10051.10051.1000

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 125.510 H1 C2 C12 121.688
C2 C4 H3 125.569 C2 C4 C7 112.157
C2 C12 C10 102.429 C2 C12 H11 109.473
C2 C12 C16 113.076 H3 C4 C7 122.236
C4 C2 C12 112.783 C4 C7 H5 110.474
C4 C7 H6 112.461 C4 C7 C10 102.681
H5 C7 H6 108.202 H5 C7 C10 111.247
H6 C7 C10 111.755 C7 C10 H8 112.495
C7 C10 H9 109.023 C7 C10 C12 106.015
H8 C10 H9 108.737 H8 C10 C12 112.066
H9 C10 C12 108.383 C10 C12 H11 109.896
C10 C12 C16 112.542 H11 C12 C16 109.238
C12 C16 H13 110.893 C12 C16 H14 110.612
C12 C16 H15 109.506 H13 C16 H14 108.461
H13 C16 H15 108.625 H14 C16 H15 108.688
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability