return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: CCD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/Def2TZVPP
 hartrees
Energy at 0K-156.890403
Energy at 298.15K 
HF Energy-156.168497
Nuclear repulsion energy117.397859
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 CCD/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CCD/Def2TZVPP
ABC
0.75426 0.13937 0.13615

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.714 -0.250 -0.295
C2 0.540 0.525 0.306
C3 -0.717 -0.295 0.345
C4 -1.848 0.017 -0.281
H5 -0.670 -1.214 0.921
H6 1.502 -0.534 -1.325
H7 2.625 0.349 -0.285
H8 1.907 -1.163 0.270
H9 0.799 0.835 1.322
H10 0.359 1.436 -0.267
H11 -1.934 0.923 -0.868
H12 -2.720 -0.619 -0.224

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53042.51433.57292.84501.08991.08971.09072.15132.16293.87534.4507
C21.53041.50092.51112.20602.17002.17502.17251.09301.09112.76723.4955
C32.51431.50091.33041.08572.78723.46122.76432.12782.12812.10632.1080
C43.57292.51111.33042.08563.55234.48583.97463.20092.62441.08261.0808
H52.84502.20601.08572.08563.19793.84132.65822.55243.08133.06032.4230
H61.08992.17002.78723.55233.19791.76671.76213.06172.51063.76014.3642
H71.08972.17503.46124.48583.84131.76671.76322.48102.51314.63235.4327
H81.09072.17252.76433.97462.65821.76211.76322.51463.07184.51654.6852
H92.15131.09302.12783.20092.55243.06172.48102.51461.75513.50344.1097
H102.16291.09112.12812.62443.08132.51062.51313.07181.75512.42613.7026
H113.87532.76722.10631.08263.06033.76014.63234.51653.50342.42611.8462
H124.45073.49552.10801.08082.42304.36425.43274.68524.10973.70261.8462

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.082 C1 C2 H9 109.037
C1 C2 H10 110.057 C2 C1 H6 110.701
C2 C1 H7 111.111 C2 C1 H8 110.849
C2 C3 C4 124.866 C2 C3 H5 116.118
C3 C2 H9 109.224 C3 C2 H10 109.357
C3 C4 H11 121.260 C3 C4 H12 121.578
C4 C3 H5 119.009 H6 C1 H7 108.304
H6 C1 H8 107.819 H7 C1 H8 107.932
H9 C2 H10 106.946 H11 C4 H12 117.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability