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All results from a given calculation for C4H3ClO (Furan, 2-chloro)

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-688.766401
Energy at 298.15K 
HF Energy-687.637413
Nuclear repulsion energy264.854560
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)/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/cc-pVTZ
ABC
0.30738 0.07133 0.05789

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.268 0.000
C2 1.311 -0.092 0.000
C3 1.306 -1.533 0.000
C4 -0.001 -1.910 0.000
O5 -0.824 -0.811 0.000
Cl6 -0.760 1.798 0.000
H7 2.156 0.574 0.000
H8 2.160 -2.188 0.000
H9 -0.501 -2.862 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35992.22432.17811.35811.70862.17753.27113.1700
C21.35991.44062.24202.25332.80431.07592.26153.3101
C32.22431.44061.35992.24863.91952.27231.07702.2429
C42.17812.24201.35991.37293.78533.29002.17891.0754
O51.35812.25332.24861.37292.61063.28653.28662.0760
Cl61.70862.80433.91953.78532.61063.16224.94174.6677
H72.17751.07592.27233.29003.28653.16222.76274.3438
H83.27112.26151.07702.17893.28664.94172.76272.7451
H93.17003.31012.24291.07542.07604.66774.34382.7451

picture of Furan, 2-chloro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 105.135 C1 C2 H7 126.355
C1 O5 C4 105.794 C2 C1 O5 112.000
C2 C1 Cl6 131.766 C2 C3 C4 106.332
C2 C3 H8 127.264 C3 C2 H7 128.510
C3 C4 O5 110.739 C3 C4 H9 133.816
C4 C3 H8 126.404 O5 C1 Cl6 116.234
O5 C4 H9 115.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability