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 C6H10 (2-Hexyne)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-233.877793
Energy at 298.15K 
HF Energy-232.993778
Nuclear repulsion energy206.354121
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.59883 0.03985 0.03842

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.227 -2.825 0.000
C2 -1.747 2.858 0.000
C3 0.941 -0.302 0.000
C4 0.000 0.829 0.000
C5 0.237 -1.664 0.000
C6 -0.792 1.743 0.000
H7 0.708 -3.783 0.000
H8 -2.771 2.488 0.000
H9 1.868 -2.791 0.881
H10 1.868 -2.791 -0.881
H11 -0.411 -1.726 -0.875
H12 -0.411 -1.726 0.875
H13 1.591 -0.231 -0.875
H14 1.591 -0.231 0.875
H15 -1.613 3.482 0.881
H16 -1.613 3.482 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.41442.53953.85501.52644.99471.08896.65011.09001.09002.15872.15872.76222.76226.97356.9735
C26.41444.14892.67754.93781.46817.07961.08856.76446.76444.85344.85344.63164.63161.08851.0885
C32.53954.14891.47161.53352.68083.48834.64452.79832.79832.14992.14991.09211.09214.65004.6500
C43.85502.67751.47162.50431.20934.66563.23024.16794.16792.73142.73142.10262.10263.22773.2277
C51.52644.93781.53352.50433.55892.17035.12742.16982.16981.09051.09052.15742.15745.53915.5391
C64.99471.46812.68081.20933.55895.72552.11525.33015.33013.59743.59743.21583.21582.11562.1156
H71.08897.07963.48834.66562.17035.72557.17151.76211.76212.49992.49993.76303.76307.67737.6773
H86.65011.08854.64453.23025.12742.11527.17157.08337.08334.90834.90835.21485.21481.76251.7625
H91.09006.76442.79834.16792.16985.33011.76217.08331.76193.06832.51633.11672.57527.17457.3877
H101.09006.76442.79834.16792.16985.33011.76217.08331.76192.51633.06832.57523.11677.38777.1745
H112.15874.85342.14992.73141.09053.59742.49994.90833.06832.51631.74972.49913.05075.62575.3446
H122.15874.85342.14992.73141.09053.59742.49994.90832.51633.06831.74973.05072.49915.34465.6257
H132.76224.63161.09212.10262.15743.21583.76305.21483.11672.57522.49913.05071.74955.20954.9046
H142.76224.63161.09212.10262.15743.21583.76305.21482.57523.11673.05072.49911.74954.90465.2095
H156.97351.08854.65003.22775.53912.11567.67731.76257.17457.38775.62575.34465.20954.90461.7625
H166.97351.08854.65003.22775.53912.11567.67731.76257.38777.17455.34465.62574.90465.20951.7625

picture of 2-Hexyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 C3 112.179 C1 C5 H11 110.042
C1 C5 H12 110.042 C2 C6 C4 179.701
C3 C4 C6 178.863 C3 C5 H11 108.859
C3 C5 H12 108.859 C4 C3 C5 112.869
C4 C3 H13 109.306 C4 C3 H14 109.306
C5 C1 H7 111.065 C5 C1 H9 110.957
C5 C1 H10 110.957 C5 C3 H13 109.355
C5 C3 H14 109.355 C6 C2 H8 110.776
C6 C2 H15 110.809 C6 C2 H16 110.809
H7 C1 H9 107.938 H7 C1 H10 107.938
H8 C2 H15 108.110 H8 C2 H16 108.110
H9 C1 H10 107.847 H11 C5 H12 106.696
H13 C3 H14 106.445 H15 C2 H16 108.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability