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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/Def2TZVPP
 hartrees
Energy at 0K-158.236487
Energy at 298.15K 
HF Energy-157.359581
Nuclear repulsion energy130.931473
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(T)=FULL/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/Def2TZVPP
ABC
0.78359 0.12202 0.11451

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/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 1.904 0.000
C4 -0.423 -1.904 0.000
H5 -1.078 0.628 0.876
H6 -1.078 0.628 -0.876
H7 1.078 -0.628 0.876
H8 1.078 -0.628 -0.876
H9 -0.197 2.800 0.000
H10 1.066 1.941 0.881
H11 1.066 1.941 -0.881
H12 0.197 -2.800 0.000
H13 -1.066 -1.941 0.881
H14 -1.066 -1.941 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52591.52582.53901.09351.09352.14872.14872.17722.16792.16793.49062.79702.7970
C21.52592.53901.52582.14872.14871.09351.09353.49062.79702.79702.17722.16792.1679
C31.52582.53903.90142.15612.15612.75862.75861.09001.09111.09114.70984.21654.2165
C42.53901.52583.90142.75862.75862.15612.15614.70984.21654.21651.09001.09111.0911
H51.09352.14872.15612.75861.75142.49593.04912.50182.51383.06693.76152.56943.1126
H61.09352.14872.15612.75861.75143.04912.49592.50183.06692.51383.76153.11262.5694
H72.14871.09352.75862.15612.49593.04911.75143.76152.56943.11262.50182.51383.0669
H82.14871.09352.75862.15613.04912.49591.75143.76153.11262.56942.50183.06692.5138
H92.17723.49061.09004.70982.50182.50183.76153.76151.76361.76365.61424.89984.8998
H102.16792.79701.09114.21652.51383.06692.56943.11261.76361.76234.89984.42864.7664
H112.16792.79701.09114.21653.06692.51383.11262.56941.76361.76234.89984.76644.4286
H123.49062.17724.70981.09003.76153.76152.50182.50185.61424.89984.89981.76361.7636
H132.79702.16794.21651.09112.56943.11262.51383.06694.89984.42864.76641.76361.7623
H142.79702.16794.21651.09113.11262.56943.06692.51384.89984.76644.42861.76361.7623

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.602 C1 C2 H7 109.113
C1 C2 H8 109.113 C1 C3 H9 111.588
C1 C3 H11 110.776 C1 C3 H12 30.951
C2 C1 C3 112.602 C2 C1 H5 109.113
C2 C1 H6 109.113 C2 C4 H10 17.325
C2 C4 H13 110.776 C2 C4 H14 110.776
C3 C1 H5 109.700 C3 C1 H6 109.700
C4 C2 H7 109.700 C4 C2 H8 109.700
H5 C1 H6 106.419 H7 C2 H8 106.419
H9 C3 H11 107.918 H9 C3 H12 142.538
H10 C4 H13 94.008 H10 C4 H14 114.042
H11 C3 H12 93.547 H13 C4 H14 107.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability