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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: CCSD=FULL/aug-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=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-158.214239
Energy at 298.15K 
HF Energy-157.356465
Nuclear repulsion energy131.288570
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=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/aug-cc-pVTZ
ABC
0.78904 0.12269 0.11519

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.420 0.633 0.000
C2 0.420 -0.633 0.000
C3 0.420 1.899 0.000
C4 -0.420 -1.899 0.000
H5 -1.074 0.627 0.875
H6 -1.074 0.627 -0.875
H7 1.074 -0.627 0.875
H8 1.074 -0.627 -0.875
H9 -0.202 2.792 0.000
H10 1.062 1.937 0.880
H11 1.062 1.937 -0.880
H12 0.202 -2.792 0.000
H13 -1.062 -1.937 0.880
H14 -1.062 -1.937 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.51951.51992.53181.09231.09232.14152.14152.17062.16192.16193.48142.79102.7910
C21.51952.53181.51992.14152.14151.09231.09233.48142.79102.79102.17062.16192.1619
C31.51992.53183.88992.14902.14902.75172.75171.08911.09011.09014.69654.20564.2056
C42.53181.51993.88992.75172.75172.14902.14904.69654.20564.20561.08911.09011.0901
H51.09232.14152.14902.75171.74982.48753.04132.49322.50633.05973.75312.56363.1069
H61.09232.14152.14902.75171.74983.04132.48752.49323.05972.50633.75313.10692.5636
H72.14151.09232.75172.14902.48753.04131.74983.75312.56363.10692.49322.50633.0597
H82.14151.09232.75172.14903.04132.48751.74983.75313.10692.56362.49323.05972.5063
H92.17063.48141.08914.69652.49322.49323.75313.75311.76241.76245.59954.88684.8868
H102.16192.79101.09014.20562.50633.05972.56363.10691.76241.76064.88684.41804.7559
H112.16192.79101.09014.20563.05972.50633.10692.56361.76241.76064.88684.75594.4180
H123.48142.17064.69651.08913.75313.75312.49322.49325.59954.88684.88681.76241.7624
H132.79102.16194.20561.09012.56363.10692.50633.05974.88684.41804.75591.76241.7606
H142.79102.16194.20561.09013.10692.56363.05972.50634.88684.75594.41801.76241.7606

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.812 C1 C2 H7 109.064
C1 C2 H8 109.064 C1 C3 H9 111.537
C1 C3 H11 110.772 C1 C3 H12 30.926
C2 C1 C3 112.812 C2 C1 H5 109.064
C2 C1 H6 109.064 C2 C4 H10 17.285
C2 C4 H13 110.772 C2 C4 H14 110.772
C3 C1 H5 109.623 C3 C1 H6 109.623
C4 C2 H7 109.623 C4 C2 H8 109.623
H5 C1 H6 106.453 H7 C2 H8 106.453
H9 C3 H11 107.949 H9 C3 H12 142.462
H10 C4 H13 94.027 H10 C4 H14 114.097
H11 C3 H12 93.557 H13 C4 H14 107.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability