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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: CCSD(T)/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Anti 1Ag
Energy calculated at CCSD(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-158.140158
Energy at 298.15K 
HF Energy-157.351278
Nuclear repulsion energy130.604450
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 CCSD(T)/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-311+G(3df,2p)
ABC
0.77911 0.12148 0.11398

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.425 0.636 0.000
C2 0.425 -0.636 0.000
C3 0.425 1.908 0.000
C4 -0.425 -1.908 0.000
H5 -1.082 0.629 0.878
H6 -1.082 0.629 -0.878
H7 1.082 -0.629 0.878
H8 1.082 -0.629 -0.878
H9 -0.197 2.807 0.000
H10 1.069 1.946 0.883
H11 1.069 1.946 -0.883
H12 0.197 -2.807 0.000
H13 -1.069 -1.946 0.883
H14 -1.069 -1.946 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52971.52932.54431.09691.09692.15462.15462.18282.17402.17403.49892.80402.8040
C21.52972.54431.52932.15462.15461.09691.09693.49892.80402.80402.18282.17402.1740
C31.52932.54433.90962.16222.16222.76462.76461.09281.09411.09414.72074.22664.2266
C42.54431.52933.90962.76462.76462.16222.16224.72074.22664.22661.09281.09411.0941
H51.09692.15462.16222.76461.75642.50323.05792.50932.52183.07603.77052.57543.1201
H61.09692.15462.16222.76461.75643.05792.50322.50933.07602.52183.77053.12012.5754
H72.15461.09692.76462.16222.50323.05791.75643.77052.57543.12012.50932.52183.0760
H82.15461.09692.76462.16223.05792.50321.75643.77053.12012.57542.50933.07602.5218
H92.18283.49891.09284.72072.50932.50933.77053.77051.76771.76775.62804.91244.9124
H102.17402.80401.09414.22662.52183.07602.57543.12011.76771.76634.91244.44054.7789
H112.17402.80401.09414.22663.07602.52183.12012.57541.76771.76634.91244.77894.4405
H123.49892.18284.72071.09283.77053.77052.50932.50935.62804.91244.91241.76771.7677
H132.80402.17404.22661.09412.57543.12012.52183.07604.91244.44054.77891.76771.7663
H142.80402.17404.22661.09413.12012.57543.07602.52184.91244.77894.44051.76771.7663

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.560 C1 C2 H7 109.116
C1 C2 H8 109.116 C1 C3 H9 111.624
C1 C3 H11 110.844 C1 C3 H12 30.960
C2 C1 C3 112.560 C2 C1 H5 109.116
C2 C1 H6 109.116 C2 C4 H10 17.331
C2 C4 H13 110.844 C2 C4 H14 110.844
C3 C1 H5 109.739 C3 C1 H6 109.739
C4 C2 H7 109.739 C4 C2 H8 109.739
H5 C1 H6 106.376 H7 C2 H8 106.376
H9 C3 H11 107.860 H9 C3 H12 142.584
H10 C4 H13 94.072 H10 C4 H14 114.101
H11 C3 H12 93.603 H13 C4 H14 107.649
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability