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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-688.798789
Energy at 298.15K-688.802683
HF Energy-687.638513
Nuclear repulsion energy266.678870
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 MP2=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3345 3176 0.17      
2 A' 3335 3166 1.50      
3 A' 3311 3144 0.94      
4 A' 1602 1521 13.51      
5 A' 1516 1439 50.36      
6 A' 1427 1355 13.67      
7 A' 1274 1210 47.16      
8 A' 1245 1182 38.03      
9 A' 1180 1120 4.20      
10 A' 1107 1051 9.90      
11 A' 1046 994 23.36      
12 A' 938 891 24.20      
13 A' 897 852 2.20      
14 A' 507 481 3.28      
15 A' 318 302 0.41      
16 A" 894 849 0.16      
17 A" 829 787 26.90      
18 A" 751 713 55.27      
19 A" 653 620 2.77      
20 A" 625 594 5.37      
21 A" 234 222 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 13516.6 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 12832.6 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 MP2=FULL/cc-pVTZ
ABC
0.31094 0.07235 0.05869

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.268 0.000
C2 1.304 -0.117 0.000
C3 1.277 -1.536 0.000
C4 -0.033 -1.898 0.000
O5 -0.829 -0.793 0.000
Cl6 -0.728 1.797 0.000
H7 2.153 0.534 0.000
H8 2.115 -2.202 0.000
H9 -0.544 -2.837 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35922.20992.16541.34651.69382.16893.25153.1515
C21.35921.41972.22662.23752.79111.06922.23763.2880
C32.20991.41971.35852.23293.88962.24741.07052.2373
C42.16542.22661.35851.36123.75933.26892.16921.0691
O51.34652.23752.23291.36122.59243.26353.26352.0630
Cl61.69382.79113.88963.75932.59243.14554.90664.6372
H72.16891.06922.24743.26893.26353.14552.73594.3160
H83.25152.23761.07052.16923.26354.90662.73592.7332
H93.15153.28802.23731.06912.06304.63724.31602.7332

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 105.337 C1 C2 H7 126.122
C1 O5 C4 106.204 C2 C1 O5 111.576
C2 C1 Cl6 131.883 C2 C3 C4 106.514
C2 C3 H8 127.384 C3 C2 H7 128.541
C3 C4 O5 110.369 C3 C4 H9 133.975
C4 C3 H8 126.102 O5 C1 Cl6 116.542
O5 C4 H9 115.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability