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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-688.398892
Energy at 298.15K-688.402655
HF Energy-687.531570
Nuclear repulsion energy264.970388
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/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3372 3177 0.13      
2 A' 3353 3159 0.36      
3 A' 3334 3142 1.86      
4 A' 1666 1570 12.13      
5 A' 1574 1483 69.70      
6 A' 1451 1367 11.33      
7 A' 1299 1224 47.72      
8 A' 1252 1180 41.12      
9 A' 1175 1107 8.69      
10 A' 1124 1059 17.46      
11 A' 1055 994 22.00      
12 A' 950 896 29.30      
13 A' 906 854 2.28      
14 A' 507 477 3.19      
15 A' 322 303 0.71      
16 A" 822 774 4.53      
17 A" 778 733 25.37      
18 A" 738 695 63.04      
19 A" 607 572 11.16      
20 A" 568 536 0.47      
21 A" 218 205 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 13534.5 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 12753.6 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/6-31+G**
ABC
0.30838 0.07130 0.05791

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.270 0.000
C2 1.310 -0.089 0.000
C3 1.308 -1.529 0.000
C4 0.004 -1.912 0.000
O5 -0.819 -0.813 0.000
Cl6 -0.765 1.796 0.000
H7 2.154 0.577 0.000
H8 2.165 -2.181 0.000
H9 -0.494 -2.864 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35792.22462.18191.35791.70732.17593.27043.1728
C21.35791.44042.24202.24812.80341.07572.26033.3097
C32.22461.44041.35862.24393.91892.27021.07662.2425
C42.18192.24201.35861.37253.78723.28892.17731.0747
O51.35792.24812.24391.37252.61023.28183.28212.0762
Cl61.70732.80343.91893.78722.61023.16364.94024.6682
H72.17591.07572.27023.28893.28183.16362.75854.3423
H83.27042.26031.07662.17733.28214.94022.75852.7452
H93.17283.30972.24251.07472.07624.66824.34232.7452

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 105.267 C1 C2 H7 126.398
C1 O5 C4 106.090 C2 C1 O5 111.742
C2 C1 Cl6 131.958 C2 C3 C4 106.416
C2 C3 H8 127.197 C3 C2 H7 128.335
C3 C4 O5 110.485 C3 C4 H9 133.983
C4 C3 H8 126.387 O5 C1 Cl6 116.300
O5 C4 H9 115.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability