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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-195.937186
Energy at 298.15K-195.947319
HF Energy-195.192362
Nuclear repulsion energy170.689565
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 MP2/6-311G**
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' 3194 3035 21.52      
2 A' 3167 3009 29.55      
3 A' 3161 3003 22.77      
4 A' 3157 3000 15.11      
5 A' 3076 2923 19.65      
6 A' 3064 2911 32.01      
7 A' 3058 2906 28.53      
8 A' 1730 1643 0.06      
9 A' 1530 1454 4.68      
10 A' 1516 1441 9.52      
11 A' 1499 1424 2.65      
12 A' 1433 1362 8.05      
13 A' 1425 1354 0.05      
14 A' 1388 1319 6.10      
15 A' 1334 1268 0.79      
16 A' 1326 1260 0.33      
17 A' 1163 1105 0.76      
18 A' 1117 1061 4.12      
19 A' 1044 992 2.00      
20 A' 969 921 5.72      
21 A' 877 833 0.04      
22 A' 583 554 0.57      
23 A' 368 350 0.18      
24 A' 211 201 0.23      
25 A" 3165 3008 30.05      
26 A" 3137 2981 20.52      
27 A" 3096 2941 16.34      
28 A" 1519 1443 6.87      
29 A" 1497 1423 6.67      
30 A" 1305 1240 0.29      
31 A" 1118 1062 1.66      
32 A" 1068 1015 0.31      
33 A" 1001 951 33.64      
34 A" 829 788 1.79      
35 A" 704 669 0.16      
36 A" 310 295 1.45      
37 A" 222 211 1.07      
38 A" 196 186 1.85      
39 A" 116 110 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 30335.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 28825.2 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 MP2/6-311G**
ABC
0.44365 0.08240 0.07229

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.709 -1.241 0.000
C2 -0.973 -0.185 0.000
H3 -0.291 1.791 0.000
C4 0.000 0.739 0.000
H5 -2.936 -0.280 0.882
H6 -2.936 -0.280 -0.882
H7 -2.602 1.222 0.000
C8 -2.440 0.140 0.000
H9 1.924 0.968 -0.875
H10 1.924 0.968 0.875
C11 1.482 0.472 0.000
H12 2.967 -1.107 0.000
H13 1.488 -1.513 0.885
H14 1.488 -1.513 -0.885
C15 1.878 -1.003 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.08873.06072.10312.58052.58053.10612.21463.54663.54662.78153.67822.38452.38452.5982
C21.08872.09021.34172.15402.15402.15211.50273.23833.23832.54164.04602.93352.93352.9661
H33.06072.09021.09163.47333.47332.37962.70992.51962.51962.20994.36003.85573.85573.5370
C42.10311.34171.09163.23063.23062.64602.51252.12582.12581.50603.49392.84082.84082.5614
H52.58052.15403.47333.23061.76331.77381.09555.31625.01784.56776.02504.59274.92094.9473
H62.58052.15403.47333.23061.76331.77381.09555.01785.31624.56776.02504.92094.59274.9473
H73.10612.15212.37962.64601.77381.77381.09374.61634.61634.15206.03554.99904.99905.0017
C82.21461.50272.70992.51251.09551.09551.09374.52724.52723.93635.54874.35304.35304.4670
H93.54663.23832.51962.12585.31625.01784.61634.52721.74921.09822.48143.07312.51922.1566
H103.54663.23832.51962.12585.01785.31624.61634.52721.74921.09822.48142.51923.07312.1566
C112.78152.54162.20991.50604.56774.56774.15203.93631.09821.09822.16722.17382.17381.5271
H123.67824.04604.36003.49396.02506.02506.03555.54872.48142.48142.16721.77051.77051.0934
H132.38452.93353.85572.84084.59274.92094.99904.35303.07312.51922.17381.77051.77071.0939
H142.38452.93353.85572.84084.92094.59274.99904.35302.51923.07312.17381.77051.77071.0939
C152.59822.96613.53702.56144.94734.94735.00174.46702.15662.15661.52711.09341.09391.0939

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 119.484 H1 C2 C8 116.523
C2 C4 H3 118.049 C2 C4 C11 126.286
C2 C8 H5 111.029 C2 C8 H6 111.029
C2 C8 H7 110.984 H3 C4 C11 115.665
C4 C2 C8 123.993 C4 C11 H9 108.419
C4 C11 H10 108.419 C4 C11 C15 115.232
H5 C8 H6 107.177 H5 C8 H7 108.239
H6 C8 H7 108.239 H9 C11 H10 105.573
H9 C11 C15 109.378 H10 C11 C15 109.378
C11 C15 H12 110.497 C11 C15 H13 110.991
C11 C15 H14 110.991 H12 C15 H13 108.088
H12 C15 H14 108.088 H13 C15 H14 108.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability