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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-680.050697
Energy at 298.15K-680.054216
HF Energy-679.743258
Nuclear repulsion energy257.765950
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/STO-3G
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' 3591 3192 15.41      
2 A' 3577 3180 18.68      
3 A' 3557 3162 10.34      
4 A' 1686 1498 5.10      
5 A' 1604 1426 36.42      
6 A' 1506 1339 27.20      
7 A' 1393 1238 47.60      
8 A' 1298 1154 11.41      
9 A' 1226 1090 2.36      
10 A' 1165 1035 7.74      
11 A' 1096 974 2.81      
12 A' 961 854 16.18      
13 A' 933 829 2.44      
14 A' 511 454 1.36      
15 A' 294 262 0.65      
16 A" 935 831 0.02      
17 A" 869 772 5.61      
18 A" 784 697 20.50      
19 A" 635 564 0.03      
20 A" 606 539 1.74      
21 A" 230 204 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 14227.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 12646.9 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/STO-3G
ABC
0.29203 0.06726 0.05467

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.259 0.000
C2 1.345 -0.078 0.000
C3 1.373 -1.533 0.000
C4 0.056 -1.956 0.000
O5 -0.837 -0.868 0.000
Cl6 -0.823 1.841 0.000
H7 2.193 0.614 0.000
H8 2.262 -2.173 0.000
H9 -0.411 -2.950 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.38692.25772.21581.40371.78362.22173.32103.2353
C21.38691.45572.27802.32092.89591.09462.28653.3664
C32.25771.45571.38292.30794.02632.29921.09512.2776
C42.21582.27801.38291.40793.89793.34282.21631.0982
O51.40372.32092.30791.40792.70923.37323.36252.1256
Cl61.78362.89594.02633.89792.70923.25615.06264.8092
H72.22171.09462.29923.34283.37323.25612.78824.4143
H83.32102.28651.09512.21633.36255.06262.78822.7832
H93.23533.36642.27761.09822.12564.80924.41432.7832

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 105.142 C1 C2 H7 126.690
C1 O5 C4 104.016 C2 C1 O5 112.547
C2 C1 Cl6 131.544 C2 C3 C4 106.716
C2 C3 H8 126.803 C3 C2 H7 128.168
C3 C4 O5 111.580 C3 C4 H9 132.947
C4 C3 H8 126.481 O5 C1 Cl6 115.909
O5 C4 H9 115.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability