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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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)=FULL/cc-pVTZ
 hartrees
Energy at 0K-158.220708
Energy at 298.15K 
HF Energy-157.355698
Nuclear repulsion energy131.213373
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)=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/cc-pVTZ
ABC
0.78825 0.12248 0.11497

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.421 0.634 0.000
C2 0.421 -0.634 0.000
C3 0.421 1.901 0.000
C4 -0.421 -1.901 0.000
H5 -1.075 0.627 0.874
H6 -1.075 0.627 -0.874
H7 1.075 -0.627 0.874
H8 1.075 -0.627 -0.874
H9 -0.199 2.795 0.000
H10 1.063 1.938 0.880
H11 1.063 1.938 -0.880
H12 0.199 -2.795 0.000
H13 -1.063 -1.938 0.880
H14 -1.063 -1.938 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52191.52162.53441.09141.09142.14292.14292.17252.16302.16303.48432.79272.7927
C21.52192.53441.52162.14292.14291.09141.09143.48432.79272.79272.17252.16302.1630
C31.52162.53443.89372.15062.15062.75332.75331.08841.08971.08974.70084.20874.2087
C42.53441.52163.89372.75332.75332.15062.15064.70084.20874.20871.08841.08971.0897
H51.09142.14292.15062.75331.74772.48923.04152.49602.50833.06043.75462.56493.1070
H61.09142.14292.15062.75331.74773.04152.48922.49603.06042.50833.75463.10702.5649
H72.14291.09142.75332.15062.48923.04151.74773.75462.56493.10702.49602.50833.0604
H82.14291.09142.75332.15063.04152.48921.74773.75463.10702.56492.49603.06042.5083
H92.17253.48431.08844.70082.49602.49603.75463.75461.76141.76145.60394.89074.8907
H102.16302.79271.08974.20872.50833.06042.56493.10701.76141.75924.89074.42104.7581
H112.16302.79271.08974.20873.06042.50833.10702.56491.76141.75924.89074.75814.4210
H123.48432.17254.70081.08843.75463.75462.49602.49605.60394.89074.89071.76141.7614
H132.79272.16304.20871.08972.56493.10702.50833.06044.89074.42104.75811.76141.7592
H142.79272.16304.20871.08973.10702.56493.06042.50834.89074.75814.42101.76141.7592

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.766 C1 C2 H7 109.059
C1 C2 H8 109.059 C1 C3 H9 111.614
C1 C3 H11 110.774 C1 C3 H12 30.916
C2 C1 C3 112.766 C2 C1 H5 109.059
C2 C1 H6 109.059 C2 C4 H10 17.288
C2 C4 H13 110.774 C2 C4 H14 110.774
C3 C1 H5 109.683 C3 C1 H6 109.683
C4 C2 H7 109.683 C4 C2 H8 109.683
H5 C1 H6 106.384 H7 C2 H8 106.384
H9 C3 H11 107.940 H9 C3 H12 142.529
H10 C4 H13 94.030 H10 C4 H14 114.059
H11 C3 H12 93.548 H13 C4 H14 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability