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

using model chemistry: MP3=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/3-21G
 hartrees
Energy at 0K-684.596166
Energy at 298.15K-684.599878
HF Energy-684.048563
Nuclear repulsion energy258.558203
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 MP3=FULL/3-21G
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' 3339 3339 0.06      
2 A' 3320 3320 0.65      
3 A' 3293 3293 0.69      
4 A' 1616 1616 15.28      
5 A' 1513 1513 40.47      
6 A' 1403 1403 18.74      
7 A' 1296 1296 18.33      
8 A' 1199 1199 30.24      
9 A' 1131 1131 33.14      
10 A' 1056 1056 20.42      
11 A' 1023 1023 7.53      
12 A' 925 925 15.11      
13 A' 912 912 26.23      
14 A' 448 448 3.43      
15 A' 275 275 0.12      
16 A" 849 849 8.46      
17 A" 836 836 18.08      
18 A" 755 755 65.67      
19 A" 634 634 4.28      
20 A" 602 602 8.67      
21 A" 224 224 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 13325.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13325.0 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 MP3=FULL/3-21G
ABC
0.30147 0.06672 0.05463

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.254 0.000
C2 1.320 -0.059 0.000
C3 1.382 -1.520 0.000
C4 0.095 -1.974 0.000
O5 -0.805 -0.881 0.000
Cl6 -0.847 1.840 0.000
H7 2.144 0.635 0.000
H8 2.277 -2.121 0.000
H9 -0.359 -2.949 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35672.24822.22971.39081.79842.17743.29023.2226
C21.35671.46232.27312.27832.88171.07712.27353.3425
C32.24821.46231.36392.27794.03202.28591.07862.2523
C42.22972.27311.36391.41633.92873.31702.18651.0758
O51.39082.27832.27791.41632.72083.31533.32222.1157
Cl61.79842.88174.03203.92872.72083.22475.04524.8135
H72.17741.07712.28593.31703.31533.22472.75974.3716
H83.29022.27351.07862.18653.32225.04522.75972.7632
H93.22263.34252.25231.07582.11574.81354.37162.7632

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 105.731 C1 C2 H7 126.553
C1 O5 C4 105.177 C2 C1 O5 112.032
C2 C1 Cl6 131.438 C2 C3 C4 107.038
C2 C3 H8 126.293 C3 C2 H7 127.716
C3 C4 O5 110.023 C3 C4 H9 134.459
C4 C3 H8 126.670 O5 C1 Cl6 116.530
O5 C4 H9 115.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability