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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: QCISD/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 QCISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-158.113056
Energy at 298.15K 
HF Energy-157.351498
Nuclear repulsion energy130.756343
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 QCISD/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at QCISD/6-311+G(3df,2p)
ABC
0.78238 0.12163 0.11416

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.423 0.636 0.000
C2 0.423 -0.636 0.000
C3 0.423 1.907 0.000
C4 -0.423 -1.907 0.000
H5 -1.080 0.630 0.877
H6 -1.080 0.630 -0.877
H7 1.080 -0.630 0.877
H8 1.080 -0.630 -0.877
H9 -0.199 2.804 0.000
H10 1.067 1.947 0.882
H11 1.067 1.947 -0.882
H12 0.199 -2.804 0.000
H13 -1.067 -1.947 0.882
H14 -1.067 -1.947 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52761.52722.54291.09511.09512.15182.15182.17932.17182.17183.49532.80392.8039
C21.52762.54291.52722.15182.15181.09511.09513.49532.80392.80392.17932.17182.1718
C31.52722.54293.90692.15802.15802.76372.76371.09151.09251.09254.71594.22494.2249
C42.54291.52723.90692.76372.76372.15802.15804.71594.22494.22491.09151.09251.0925
H51.09512.15182.15802.76371.75312.50053.05382.50322.51803.07133.76782.57723.1200
H61.09512.15182.15802.76371.75313.05382.50052.50323.07132.51803.76783.12002.5772
H72.15181.09512.76372.15802.50053.05381.75313.76782.57723.12002.50322.51803.0713
H82.15181.09512.76372.15803.05382.50051.75313.76783.12002.57722.50323.07132.5180
H92.17933.49531.09154.71592.50322.50323.76783.76781.76491.76495.62134.90884.9088
H102.17182.80391.09254.22492.51803.07132.57723.12001.76491.76384.90884.43984.7774
H112.17182.80391.09254.22493.07132.51803.12002.57721.76491.76384.90884.77744.4398
H123.49532.17934.71591.09153.76783.76782.50322.50325.62134.90884.90881.76491.7649
H132.80392.17184.22491.09252.57723.12002.51803.07134.90884.43984.77741.76491.7638
H142.80392.17184.22491.09253.12002.57723.07132.51804.90884.77744.43981.76491.7638

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.695 C1 C2 H7 109.148
C1 C2 H8 109.148 C1 C3 H9 111.569
C1 C3 H11 110.902 C1 C3 H12 30.936
C2 C1 C3 112.695 C2 C1 H5 109.148
C2 C1 H6 109.148 C2 C4 H10 17.307
C2 C4 H13 110.902 C2 C4 H14 110.902
C3 C1 H5 109.655 C3 C1 H6 109.655
C4 C2 H7 109.655 C4 C2 H8 109.655
H5 C1 H6 106.337 H7 C2 H8 106.337
H9 C3 H11 107.827 H9 C3 H12 142.505
H10 C4 H13 94.155 H10 C4 H14 114.170
H11 C3 H12 93.686 H13 C4 H14 107.650
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability