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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-688.411964
Energy at 298.15K-688.415653
HF Energy-687.530576
Nuclear repulsion energy265.049905
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/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' 3375 3170 0.13      
2 A' 3355 3151 0.81      
3 A' 3337 3134 1.23      
4 A' 1613 1515 11.39      
5 A' 1528 1435 63.39      
6 A' 1437 1350 9.98      
7 A' 1282 1204 41.44      
8 A' 1244 1169 52.93      
9 A' 1172 1101 5.23      
10 A' 1112 1044 9.53      
11 A' 1055 990 24.85      
12 A' 935 878 25.83      
13 A' 894 840 2.76      
14 A' 506 475 3.50      
15 A' 321 301 0.73      
16 A" 797 748 10.28      
17 A" 756 710 33.78      
18 A" 706 663 58.04      
19 A" 600 564 9.57      
20 A" 545 512 0.24      
21 A" 211 198 2.15      

Unscaled Zero Point Vibrational Energy (zpe) 13389.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 12575.0 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/6-31+G**
ABC
0.30693 0.07152 0.05800

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.274 0.000
C2 1.313 -0.108 0.000
C3 1.295 -1.535 0.000
C4 -0.018 -1.912 0.000
O5 -0.829 -0.803 0.000
Cl6 -0.746 1.801 0.000
H7 2.163 0.551 0.000
H8 2.144 -2.197 0.000
H9 -0.530 -2.856 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36702.22462.18541.35901.69992.18073.27113.1744
C21.36701.42752.24192.25192.80751.07542.24843.3091
C32.22461.42751.36642.24683.91102.25921.07632.2532
C42.18542.24191.36641.37343.78343.28962.18111.0743
O51.35902.25192.24681.37342.60553.28423.28362.0748
Cl61.69992.80753.91103.78342.60553.16644.93314.6623
H72.18071.07542.25923.28963.28423.16642.74764.3428
H83.27112.24841.07632.18113.28364.93312.74762.7542
H93.17443.30912.25321.07432.07484.66234.34282.7542

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 105.490 C1 C2 H7 126.050
C1 O5 C4 106.222 C2 C1 O5 111.400
C2 C1 Cl6 132.228 C2 C3 C4 106.706
C2 C3 H8 127.231 C3 C2 H7 128.460
C3 C4 O5 110.182 C3 C4 H9 134.445
C4 C3 H8 126.063 O5 C1 Cl6 116.372
O5 C4 H9 115.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability