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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-195.521804
Energy at 298.15K-195.531959
HF Energy-195.064912
Nuclear repulsion energy169.109438
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 MP2/6-31G
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' 3173 3036 31.08      
2 A' 3143 3007 37.62      
3 A' 3133 2997 44.17      
4 A' 3129 2994 7.57      
5 A' 3061 2928 20.62      
6 A' 3045 2914 33.28      
7 A' 3033 2902 33.60      
8 A' 1728 1653 0.13      
9 A' 1582 1513 5.57      
10 A' 1574 1506 8.29      
11 A' 1566 1498 0.41      
12 A' 1489 1425 3.81      
13 A' 1483 1419 3.80      
14 A' 1435 1373 6.28      
15 A' 1381 1322 0.68      
16 A' 1370 1311 0.44      
17 A' 1182 1131 1.72      
18 A' 1114 1066 2.06      
19 A' 1081 1035 1.38      
20 A' 982 940 5.52      
21 A' 875 838 0.00      
22 A' 592 567 0.71      
23 A' 374 358 0.13      
24 A' 214 205 0.20      
25 A" 3146 3011 39.31      
26 A" 3116 2982 29.67      
27 A" 3065 2932 24.93      
28 A" 1572 1504 5.75      
29 A" 1553 1486 6.19      
30 A" 1337 1280 0.07      
31 A" 1166 1116 1.32      
32 A" 1119 1071 0.04      
33 A" 1016 972 31.60      
34 A" 861 823 3.44      
35 A" 729 697 0.23      
36 A" 303 290 1.81      
37 A" 218 209 1.31      
38 A" 192 184 1.09      
39 A" 109 104 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30621.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 29298.7 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 MP2/6-31G
ABC
0.43647 0.08059 0.07073

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.733 -1.247 0.000
C2 -0.986 -0.184 0.000
H3 -0.282 1.804 0.000
C4 0.000 0.745 0.000
H5 -2.970 -0.272 0.887
H6 -2.970 -0.272 -0.887
H7 -2.623 1.232 0.000
C8 -2.467 0.144 0.000
H9 1.947 0.970 -0.879
H10 1.947 0.970 0.879
C11 1.498 0.477 0.000
H12 2.994 -1.117 0.000
H13 1.510 -1.530 0.890
H14 1.510 -1.530 -0.890
C15 1.900 -1.016 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 H7 C8 H9 H10 C11 H12 H13 H14 C15
H11.09323.08462.12252.59612.59613.11782.22303.58783.58782.81923.72912.42962.42962.6430
C21.09322.10871.35422.17462.17462.16451.51693.27193.27192.57004.08782.97212.97213.0033
H33.08462.10871.09653.50963.50962.40932.74412.53722.53722.22084.38963.88833.88833.5657
C42.12251.35421.09653.26153.26152.66782.53922.14802.14801.52173.52562.87132.87132.5901
H52.59612.17463.50963.26151.77341.78041.10065.36955.07084.61566.08794.65294.98055.0050
H62.59612.17463.50963.26151.77341.78041.10065.07085.36954.61566.08794.98054.65295.0050
H73.11782.16452.40932.66781.78041.78041.09994.66084.66084.18946.08845.05005.05005.0506
C82.22301.51692.74412.53921.10061.10061.09994.57584.57583.97885.60464.40564.40564.5182
H93.58783.27192.53722.14805.36955.07084.66084.57581.75861.10392.49553.09352.53782.1726
H103.58783.27192.53722.14805.07085.36954.66084.57581.75861.10392.49552.53783.09352.1726
C112.81922.57002.22081.52174.61564.61564.18943.97881.10391.10392.18592.19462.19461.5455
H123.72914.08784.38963.52566.08796.08796.08845.60462.49552.49552.18591.77851.77851.0987
H132.42962.97213.88832.87134.65294.98055.05004.40563.09352.53782.19461.77851.77941.0988
H142.42962.97213.88832.87134.98054.65295.05004.40562.53783.09352.19461.77851.77941.0988
C152.64303.00333.56572.59015.00505.00505.05064.51822.17262.17261.54551.09871.09881.0988

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 119.905 H1 C2 C8 115.839
C2 C4 H3 118.360 C2 C4 C11 126.571
C2 C8 H5 111.363 C2 C8 H6 111.363
C2 C8 H7 110.606 H3 C4 C11 115.069
C4 C2 C8 124.255 C4 C11 H9 108.753
C4 C11 H10 108.753 C4 C11 C15 115.225
H5 C8 H6 107.336 H5 C8 H7 108.008
H6 C8 H7 108.008 H9 C11 H10 105.604
H9 C11 C15 109.037 H10 C11 C15 109.037
C11 C15 H12 110.375 C11 C15 H13 111.054
C11 C15 H14 111.054 H12 C15 H13 108.054
H12 C15 H14 108.054 H13 C15 H14 108.134
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability