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All results from a given calculation for CH3CH2CH2CH3 (Butane)

using model chemistry: CCSD(T)=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(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-158.244559
Energy at 298.15K 
HF Energy-157.356330
Nuclear repulsion energy131.101238
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/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVTZ
ABC
0.78567 0.12245 0.11494

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.422 0.633 0.000
C2 0.422 -0.633 0.000
C3 0.422 1.901 0.000
C4 -0.422 -1.901 0.000
H5 -1.077 0.627 0.877
H6 -1.077 0.627 -0.877
H7 1.077 -0.627 0.877
H8 1.077 -0.627 -0.877
H9 -0.201 2.796 0.000
H10 1.064 1.938 0.882
H11 1.064 1.938 -0.882
H12 0.201 -2.796 0.000
H13 -1.064 -1.938 0.882
H14 -1.064 -1.938 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14
C11.52181.52202.53411.09451.09452.14522.14522.17412.16502.16503.48592.79332.7933
C21.52182.53411.52202.14522.14521.09451.09453.48592.79332.79332.17412.16502.1650
C31.52202.53413.89362.15322.15322.75432.75431.09091.09191.09194.70224.20954.2095
C42.53411.52203.89362.75432.75432.15322.15324.70224.20954.20951.09091.09191.0919
H51.09452.14522.15322.75431.75312.49213.04702.49852.51083.06533.75772.56473.1096
H61.09452.14522.15322.75431.75313.04702.49212.49853.06532.51083.75773.10962.5647
H72.14521.09452.75432.15322.49213.04701.75313.75772.56473.10962.49852.51083.0653
H82.14521.09452.75432.15323.04702.49211.75313.75773.10962.56472.49853.06532.5108
H92.17413.48591.09094.70222.49852.49853.75773.75771.76531.76535.60724.89244.8924
H102.16502.79331.09194.20952.51083.06532.56473.10961.76531.76364.89244.42194.7606
H112.16502.79331.09194.20953.06532.51083.10962.56471.76531.76364.89244.76064.4219
H123.48592.17414.70221.09093.75773.75772.49852.49855.60724.89244.89241.76531.7653
H132.79332.16504.20951.09192.56473.10962.51083.06534.89244.42194.76061.76531.7636
H142.79332.16504.20951.09193.10962.56473.06532.51084.89244.76064.42191.76531.7636

picture of Butane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.722 C1 C2 H7 109.067
C1 C2 H8 109.067 C1 C3 H9 111.561
C1 C3 H11 110.764 C1 C3 H12 30.949
C2 C1 C3 112.722 C2 C1 H5 109.067
C2 C1 H6 109.067 C2 C4 H10 17.306
C2 C4 H13 110.764 C2 C4 H14 110.764
C3 C1 H5 109.678 C3 C1 H6 109.678
C4 C2 H7 109.678 C4 C2 H8 109.678
H5 C1 H6 106.430 H7 C2 H8 106.430
H9 C3 H11 107.943 H9 C3 H12 142.510
H10 C4 H13 94.000 H10 C4 H14 114.085
H11 C3 H12 93.535 H13 C4 H14 107.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability