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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-195.515178
Energy at 298.15K-195.525205
HF Energy-195.080842
Nuclear repulsion energy167.675459
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' 3164 3047 40.69      
2 A' 3125 3010 37.14      
3 A' 3121 3006 51.49      
4 A' 3114 2999 22.50      
5 A' 3023 2911 25.86      
6 A' 3013 2902 45.76      
7 A' 3009 2898 43.68      
8 A' 1689 1626 0.04      
9 A' 1551 1494 6.46      
10 A' 1541 1484 11.79      
11 A' 1526 1470 3.88      
12 A' 1463 1409 7.66      
13 A' 1457 1404 6.13      
14 A' 1412 1360 4.08      
15 A' 1353 1303 0.57      
16 A' 1344 1294 0.94      
17 A' 1161 1119 2.05      
18 A' 1096 1055 3.07      
19 A' 1062 1023 1.47      
20 A' 961 926 8.16      
21 A' 855 823 0.06      
22 A' 577 556 0.73      
23 A' 364 351 0.15      
24 A' 209 201 0.28      
25 A" 3125 3010 53.98      
26 A" 3097 2983 35.82      
27 A" 3057 2944 25.88      
28 A" 1540 1484 7.92      
29 A" 1519 1463 8.68      
30 A" 1304 1255 0.11      
31 A" 1143 1101 2.49      
32 A" 1094 1054 0.04      
33 A" 1004 967 46.51      
34 A" 848 817 5.22      
35 A" 710 684 0.42      
36 A" 291 280 2.60      
37 A" 215 207 1.98      
38 A" 188 181 1.95      
39 A" 105 101 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 30213.5 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 29098.6 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 MP2/LANL2DZ
ABC
0.42910 0.07911 0.06944

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.735 -1.256 0.000
C2 -0.996 -0.190 0.000
H3 -0.294 1.812 0.000
C4 0.000 0.751 0.000
H5 -2.992 -0.280 0.892
H6 -2.992 -0.280 -0.892
H7 -2.649 1.235 0.000
C8 -2.491 0.141 0.000
H9 1.958 0.980 -0.888
H10 1.958 0.980 0.888
C11 1.513 0.486 0.000
H12 3.020 -1.117 0.000
H13 1.529 -1.538 0.896
H14 1.529 -1.538 -0.896
C15 1.918 -1.022 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09753.09982.13752.61532.61533.14172.24443.61123.61122.84403.75712.45112.45112.6637
C21.09752.12161.37012.18802.18802.18291.53193.29873.29872.59854.12112.99902.99903.0306
H33.09982.12161.10123.52863.52862.42492.76042.55982.55982.24244.42333.91813.91813.5956
C42.13751.37011.10123.28783.28782.69322.56492.16192.16191.53663.55102.89492.89492.6122
H52.61532.18803.52863.28781.78391.79141.10625.40875.10764.65606.13444.69235.02145.0452
H62.61532.18803.52863.28781.78391.79141.10625.10765.40874.65606.13445.02144.69235.0452
H73.14172.18292.42492.69321.79141.79141.10504.69904.69904.22986.13775.09425.09425.0949
C82.24441.53192.76042.56491.10621.10621.10504.61394.61394.01965.65294.44814.44814.5606
H93.61123.29872.55982.16195.40875.10764.69904.61391.77511.10912.51313.11562.55452.1903
H103.61123.29872.55982.16195.10765.40874.69904.61391.77511.10912.51312.55453.11562.1903
C112.84402.59852.24241.53664.65604.65604.22984.01961.10911.10912.19952.21302.21301.5607
H123.75714.12114.42333.55106.13446.13446.13775.65292.51312.51312.19951.78931.78931.1053
H132.45112.99903.91812.89494.69235.02145.09424.44813.11562.55452.21301.78931.79211.1050
H142.45112.99903.91812.89495.02144.69235.09424.44812.55453.11562.21301.78931.79211.1050
C152.66373.03063.59562.61225.04525.04525.09494.56062.19032.19031.56071.10531.10501.1050

picture of 2-Pentene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 119.639 H1 C2 C8 116.236
C2 C4 H3 117.887 C2 C4 C11 126.657
C2 C8 H5 111.046 C2 C8 H6 111.046
C2 C8 H7 110.714 H3 C4 C11 115.455
C4 C2 C8 124.125 C4 C11 H9 108.515
C4 C11 H10 108.515 C4 C11 C15 114.997
H5 C8 H6 107.472 H5 C8 H7 108.218
H6 C8 H7 108.218 H9 C11 H10 106.303
H9 C11 C15 109.080 H10 C11 C15 109.080
C11 C15 H12 110.011 C11 C15 H13 111.080
C11 C15 H14 111.080 H12 C15 H13 108.097
H12 C15 H14 108.097 H13 C15 H14 108.371
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability