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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: CCD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Anti 1Ag
Energy calculated at CCD/Def2TZVPP
 hartrees
Energy at 0K-158.124297
Energy at 298.15K-158.134937
HF Energy-157.359627
Nuclear repulsion energy130.910938
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 CCD/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
Au 115 115 0.01      
Au 225 225 0.00      
Bu 258 258 0.01      
Bg 259 259 0.00      
Ag 428 428 0.00      
Au 740 740 2.38      
Bg 816 816 0.00      
Ag 859 859 0.00      
Au 968 968 0.63      
Bu 989 989 4.25      
Bu 1045 1045 0.02      
Ag 1095 1095 0.00      
Ag 1189 1189 0.00      
Bg 1228 1228 0.00      
Au 1306 1306 0.22      
Bu 1337 1337 2.27      
Bg 1350 1350 0.00      
Ag 1419 1419 0.00      
Ag 1435 1435 0.00      
Bu 1435 1435 5.03      
Ag 1507 1507 0.00      
Bu 1512 1512 1.25      
Bg 1520 1520 0.00      
Au 1521 1521 13.35      
Ag 1526 1526 0.00      
Bu 1531 1531 8.14      
Ag 3049 3049 0.00      
Bu 3056 3056 18.60      
Bu 3058 3058 90.03      
Ag 3058 3058 0.00      
Bg 3077 3077 0.00      
Au 3098 3098 15.00      
Bg 3129 3129 0.00      
Au 3133 3133 100.68      
Ag 3135 3135 0.00      
Bu 3136 3136 68.59      

Unscaled Zero Point Vibrational Energy (zpe) 29268.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 29268.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/Def2TZVPP
ABC
0.78479 0.12185 0.11437

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.423 0.635 0.000
C2 0.423 -0.635 0.000
C3 0.423 1.906 0.000
C4 -0.423 -1.906 0.000
H5 -1.078 0.630 0.875
H6 -1.078 0.630 -0.875
H7 1.078 -0.630 0.875
H8 1.078 -0.630 -0.875
H9 -0.200 2.800 0.000
H10 1.065 1.945 0.881
H11 1.065 1.945 -0.881
H12 0.200 -2.800 0.000
H13 -1.065 -1.945 0.881
H14 -1.065 -1.945 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52591.52592.54081.09301.09302.14862.14862.17672.16892.16893.49162.80082.8008
C21.52592.54081.52592.14862.14861.09301.09303.49162.80082.80082.17672.16892.1689
C31.52592.54083.90372.15502.15502.76092.76091.08991.09101.09104.71134.22064.2206
C42.54081.52593.90372.76092.76092.15502.15504.71134.22064.22061.08991.09101.0910
H51.09302.14862.15502.76091.75022.49613.04862.49982.51403.06653.76342.57443.1162
H61.09302.14862.15502.76091.75023.04862.49612.49983.06652.51403.76343.11622.5744
H72.14861.09302.76092.15502.49613.04861.75023.76342.57443.11622.49982.51403.0665
H82.14861.09302.76092.15503.04862.49611.75023.76343.11622.57442.49983.06652.5140
H92.17673.49161.08994.71132.49982.49983.76343.76341.76291.76295.61514.90324.9032
H102.16892.80081.09104.22062.51403.06652.57443.11621.76291.76154.90324.43464.7716
H112.16892.80081.09104.22063.06652.51403.11622.57441.76291.76154.90324.77164.4346
H123.49162.17674.71131.08993.76343.76342.49982.49985.61514.90324.90321.76291.7629
H132.80082.16894.22061.09102.57443.11622.51403.06654.90324.43464.77161.76291.7615
H142.80082.16894.22061.09103.11622.57443.06652.51404.90324.77164.43461.76291.7615

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.724 C1 C2 H7 109.129
C1 C2 H8 109.129 C1 C3 H9 111.553
C1 C3 H11 110.862 C1 C3 H12 30.925
C2 C1 C3 112.724 C2 C1 H5 109.129
C2 C1 H6 109.129 C2 C4 H10 17.300
C2 C4 H13 110.862 C2 C4 H14 110.862
C3 C1 H5 109.638 C3 C1 H6 109.638
C4 C2 H7 109.638 C4 C2 H8 109.638
H5 C1 H6 106.382 H7 C2 H8 106.382
H9 C3 H11 107.868 H9 C3 H12 142.478
H10 C4 H13 94.120 H10 C4 H14 114.129
H11 C3 H12 93.650 H13 C4 H14 107.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability