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

using model chemistry: MP3=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 MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-688.819074
Energy at 298.15K-688.823043
HF Energy-687.639870
Nuclear repulsion energy267.066473
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/cc-pVTZ
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' 3366 3139 0.13      
2 A' 3356 3130 1.07      
3 A' 3331 3107 1.30      
4 A' 1665 1553 17.81      
5 A' 1575 1469 62.63      
6 A' 1452 1354 15.39      
7 A' 1300 1212 39.84      
8 A' 1257 1172 34.05      
9 A' 1188 1108 8.52      
10 A' 1129 1053 17.09      
11 A' 1052 981 22.29      
12 A' 963 898 27.87      
13 A' 918 856 1.67      
14 A' 511 476 3.57      
15 A' 322 301 0.42      
16 A" 923 861 0.33      
17 A" 863 805 19.89      
18 A" 785 732 60.50      
19 A" 668 623 2.26      
20 A" 628 585 6.89      
21 A" 241 224 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 13745.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 12819.1 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/cc-pVTZ
ABC
0.31383 0.07234 0.05879

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.263 0.000
C2 1.298 -0.097 0.000
C3 1.287 -1.529 0.000
C4 -0.011 -1.895 0.000
O5 -0.816 -0.802 0.000
Cl6 -0.746 1.790 0.000
H7 2.139 0.559 0.000
H8 2.131 -2.184 0.000
H9 -0.508 -2.839 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.34692.20652.15801.34171.69932.15903.24473.1434
C21.34691.43232.22372.22852.78151.06672.24703.2830
C32.20651.43231.34812.22533.89222.25581.06802.2215
C42.15802.22371.34811.35783.75753.26252.16091.0668
O51.34172.22852.22531.35782.59293.25333.25492.0605
Cl61.69932.78153.89223.75752.59293.13574.90574.6353
H72.15901.06672.25583.26253.25333.13572.74354.3072
H83.24472.24701.06802.16093.25494.90572.74352.7182
H93.14343.28302.22151.06682.06054.63534.30722.7182

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 105.065 C1 C2 H7 126.507
C1 O5 C4 106.145 C2 C1 O5 111.964
C2 C1 Cl6 131.530 C2 C3 C4 106.175
C2 C3 H8 127.366 C3 C2 H7 128.428
C3 C4 O5 110.650 C3 C4 H9 133.479
C4 C3 H8 126.459 O5 C1 Cl6 116.506
O5 C4 H9 115.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability