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All results from a given calculation for C5H10 (2-Pentene, (Z)-)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-195.514244
Energy at 298.15K-195.524118
HF Energy-195.079695
Nuclear repulsion energy168.834315
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 MP2/LANL2DZ
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 3161 3044 86.68      
2 A 3134 3019 16.27      
3 A 3126 3011 72.45      
4 A 3120 3005 35.31      
5 A 3118 3003 16.33      
6 A 3097 2983 33.45      
7 A 3094 2980 7.02      
8 A 3039 2927 35.68      
9 A 3016 2905 33.14      
10 A 3015 2904 43.04      
11 A 1676 1614 2.61      
12 A 1545 1488 14.01      
13 A 1539 1483 1.75      
14 A 1536 1479 7.67      
15 A 1527 1471 7.39      
16 A 1525 1469 3.55      
17 A 1464 1410 8.83      
18 A 1453 1399 5.35      
19 A 1437 1384 1.07      
20 A 1381 1330 1.41      
21 A 1321 1272 0.60      
22 A 1304 1255 0.12      
23 A 1196 1151 0.87      
24 A 1112 1071 6.81      
25 A 1093 1052 0.73      
26 A 1073 1033 0.22      
27 A 1036 998 2.68      
28 A 947 912 3.36      
29 A 936 901 6.67      
30 A 856 825 1.21      
31 A 805 775 4.01      
32 A 721 695 52.07      
33 A 562 542 4.91      
34 A 471 454 2.69      
35 A 307 296 0.10      
36 A 255 246 0.05      
37 A 211 204 0.03      
38 A 105 101 0.44      
39 A 21 20 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30167.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 29054.4 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 MP2/LANL2DZ
ABC
0.31971 0.08801 0.07921

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.101 -0.446 -0.435
H2 2.573 0.431 -0.916
H3 2.897 -1.066 0.016
H4 1.596 -1.036 -1.221
C5 1.061 0.012 0.647
H6 0.603 -0.878 1.114
H7 1.591 0.563 1.448
C8 -2.002 -0.757 0.008
H9 -2.410 -1.152 -0.941
H10 -1.306 -1.507 0.418
H11 -2.848 -0.650 0.713
C12 -0.017 0.925 0.050
H13 0.314 1.944 -0.201
C14 -1.320 0.596 -0.228
H15 -1.957 1.372 -0.675

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.10551.10561.10511.56922.19842.19644.13894.59403.66955.08472.56882.99323.58204.4533
H21.10551.79351.78862.21453.11722.56334.81625.22834.53695.76272.80762.81123.95664.6332
H31.10561.79351.79562.22062.55022.53174.90875.39314.24515.80193.52923.97264.53905.4759
H41.10511.78861.79562.20782.54303.11153.81264.01753.36624.86212.83923.40073.48604.3271
C51.56922.21452.22062.20781.10471.10733.22233.99072.82243.96531.53342.23812.60283.5645
H62.19843.11722.55022.54301.10471.77862.83293.65782.12773.48172.18343.12672.76953.8492
H72.19642.56332.53173.11151.10731.77864.09004.96583.70724.66032.16142.50163.35924.2132
C84.13894.81624.90873.81263.22232.83294.09001.10621.10231.10622.60243.56411.53322.2361
H94.59405.22835.39314.01753.99073.65784.96581.10621.78641.78333.32024.18962.17982.5781
H103.66954.53694.24513.36622.82242.12773.70721.10231.78641.78862.77743.86262.19993.1475
H115.08475.76275.80194.86213.96533.48174.66031.10621.78331.78863.30714.19082.18442.6089
C122.56882.80763.52922.83921.53342.18342.16142.60243.32022.77743.30711.10041.37252.1190
H132.99322.81123.97263.40072.23813.12672.50163.56414.18963.86264.19081.10042.11862.3896
C143.58203.95664.53903.48602.60282.76953.35921.53322.17982.19992.18441.37252.11861.0993
H154.45334.63325.47594.32713.56453.84924.21322.23612.57813.14752.60892.11902.38961.0993

picture of 2-Pentene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.373 C1 C5 H7 109.070
C1 C5 C12 111.774 H2 C1 H3 108.413
H2 C1 H4 108.015 H2 C1 C5 110.575
H3 C1 H4 108.624 H3 C1 C5 111.048
H4 C1 C5 110.082 C5 C12 H13 115.393
C5 C12 C14 127.110 H6 C5 H7 107.036
H6 C5 C12 110.663 H7 C5 C12 108.794
C8 C14 C12 127.088 C8 C14 H15 115.308
H9 C8 H10 107.966 H9 C8 H11 107.425
H9 C8 C14 110.309 H10 C8 H11 108.166
H10 C8 C14 112.137 H11 C8 C14 110.674
C12 C14 H15 117.602 H13 C12 C14 117.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability