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All results from a given calculation for C5H10 (2-Butene, 2-methyl-)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-195.936186
Energy at 298.15K 
HF Energy-195.159504
Nuclear repulsion energy172.960218
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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.515 0.497 0.000
H2 -1.981 -0.501 0.000
H3 -1.882 1.046 0.889
H4 -1.882 1.046 -0.889
C5 0.268 -2.110 0.000
H6 0.652 -2.646 -0.889
H7 0.652 -2.646 0.889
H8 -0.830 -2.199 0.000
C9 0.745 -0.675 0.000
H10 1.839 -0.552 0.000
C11 0.000 0.454 0.000
C12 0.662 1.819 0.000
H13 1.762 1.739 0.000
H14 0.355 2.404 0.889
H15 0.355 2.404 -0.889

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.10101.10731.10733.15853.92013.92012.78142.54663.51471.51592.54673.50532.81522.8152
H21.10101.78691.78692.76513.51043.51042.05092.73163.82032.19863.51584.36223.83193.8319
H31.10731.78691.77743.92114.81844.47863.52513.26484.14652.16432.80323.81502.61713.1639
H41.10731.78691.77743.92114.47864.81843.52513.26484.14652.16432.80323.81503.16392.6171
C53.15852.76513.92113.92111.10681.10681.10191.51162.21262.57733.94804.12894.60094.6009
H63.92013.51044.81844.47861.10681.77761.78502.16422.56683.29024.55264.61075.36215.0587
H73.92013.51044.47864.81841.10681.77761.78502.16422.56683.29024.55264.61075.05875.3621
H82.78142.05093.52513.52511.10191.78501.78502.19143.13652.77914.28524.71474.83494.8349
C92.54662.73163.26483.26481.51162.16422.16422.19141.10091.35292.49542.62023.22843.2284
H103.51473.82034.14654.14652.21262.56682.56683.13651.10092.09612.64672.29233.42443.4244
C111.51592.19862.16432.16432.57733.29023.29022.77911.35292.09611.51692.18152.17242.1724
C122.54673.51582.80322.80323.94804.55264.55264.28522.49542.64671.51691.10361.10761.1076
H133.50534.36223.81503.81504.12894.61074.61074.71472.62022.29232.18151.10361.79211.7921
H142.81523.83192.61713.16394.60095.36215.05874.83493.22843.42442.17241.10761.79211.7785
H152.81523.83193.16392.61714.60095.05875.36214.83493.22843.42442.17241.10761.79211.7785

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 125.073 C1 C11 C12 114.221
H2 C1 H3 108.029 H2 C1 H4 108.029
H2 C1 C11 113.361 H3 C1 H4 106.751
H3 C1 C11 110.211 H4 C1 C11 110.211
C5 C9 H10 114.852 C5 C9 C11 128.167
H6 C5 H7 106.833 H6 C5 H8 107.834
H6 C5 C9 110.533 H7 C5 H8 107.834
H7 C5 C9 110.533 H8 C5 C9 113.027
C9 C11 C12 120.706 H10 C9 C11 116.981
C11 C12 H13 111.744 C11 C12 H14 110.772
C11 C12 H15 110.772 H13 C12 H14 108.283
H13 C12 H15 108.283 H14 C12 H15 106.810
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability