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

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

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/6-31G**
 hartrees
Energy at 0K-688.384844
Energy at 298.15K-688.388655
HF Energy-687.524893
Nuclear repulsion energy265.129879
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/6-31G**
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' 3374 3164 0.47      
2 A' 3358 3149 0.32      
3 A' 3340 3131 1.95      
4 A' 1680 1575 12.57      
5 A' 1584 1486 59.10      
6 A' 1461 1370 11.27      
7 A' 1308 1227 50.38      
8 A' 1259 1180 33.75      
9 A' 1183 1110 8.50      
10 A' 1131 1061 17.23      
11 A' 1061 994 18.83      
12 A' 954 894 31.02      
13 A' 907 850 1.80      
14 A' 507 475 2.90      
15 A' 321 301 0.40      
16 A" 838 786 2.14      
17 A" 799 749 21.07      
18 A" 749 702 42.95      
19 A" 626 587 11.00      
20 A" 584 548 1.27      
21 A" 227 213 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 13625.4 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 12775.2 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/6-31G**
ABC
0.30889 0.07136 0.05796

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.267 0.000
C2 1.308 -0.093 0.000
C3 1.303 -1.531 0.000
C4 0.001 -1.910 0.000
O5 -0.821 -0.813 0.000
Cl6 -0.760 1.798 0.000
H7 2.153 0.571 0.000
H8 2.159 -2.184 0.000
H9 -0.498 -2.861 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35622.22122.17701.35671.70932.17463.26633.1679
C21.35621.43852.23802.24692.80191.07512.25763.3052
C32.22121.43851.35642.24233.91712.26761.07602.2391
C42.17702.23801.35641.37043.78523.28432.17561.0744
O51.35672.24692.24231.37042.61203.28033.28002.0736
Cl61.70932.80193.91713.78522.61203.16114.93734.6670
H72.17461.07512.26763.28433.28033.16112.75474.3370
H83.26632.25761.07602.17563.28004.93732.75472.7421
H93.16793.30522.23911.07442.07364.66704.33702.7421

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 105.229 C1 C2 H7 126.475
C1 O5 C4 105.932 C2 C1 O5 111.832
C2 C1 Cl6 131.793 C2 C3 C4 106.364
C2 C3 H8 127.153 C3 C2 H7 128.296
C3 C4 O5 110.642 C3 C4 H9 133.859
C4 C3 H8 126.482 O5 C1 Cl6 116.375
O5 C4 H9 115.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability