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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-688.516995
Energy at 298.15K-688.520306
HF Energy-687.615944
Nuclear repulsion energy265.392653
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 CCD/TZVP
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' 3341 3167 0.09      
2 A' 3325 3152 0.56      
3 A' 3305 3133 1.60      
4 A' 1653 1567 12.94      
5 A' 1563 1482 66.24      
6 A' 1438 1363 16.99      
7 A' 1291 1224 46.74      
8 A' 1245 1180 38.17      
9 A' 1174 1113 11.07      
10 A' 1120 1062 20.36      
11 A' 1045 990 21.90      
12 A' 955 905 28.25      
13 A' 911 864 1.10      
14 A' 502 475 3.59      
15 A' 317 300 0.43      
16 A" 757 718 28.10      
17 A" 706 669 52.36      
18 A" 687 652 0.15      
19 A" 594 563 14.08      
20 A" 220 209 0.90      
21 A" 197 187 1.65      

Unscaled Zero Point Vibrational Energy (zpe) 13172.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 12487.3 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 CCD/TZVP
ABC
0.31063 0.07134 0.05801

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.262 0.000
C2 1.305 -0.088 0.000
C3 1.306 -1.527 0.000
C4 0.008 -1.907 0.000
O5 -0.813 -0.816 0.000
Cl6 -0.767 1.797 0.000
H7 2.148 0.580 0.000
H8 2.164 -2.178 0.000
H9 -0.487 -2.861 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35172.21542.16951.35031.71562.17133.26123.1607
C21.35171.43872.23402.24012.80161.07522.25893.3015
C32.21541.43871.35242.23573.91752.26871.07642.2351
C42.16952.23401.35241.36623.78443.28072.17211.0746
O51.35032.24012.23571.36622.61303.27353.27372.0707
Cl61.71562.80163.91753.78442.61303.15884.93834.6659
H72.17131.07522.26873.28073.27353.15882.75774.3338
H83.26122.25891.07642.17213.27374.93832.75772.7376
H93.16073.30152.23511.07462.07074.66594.33382.7376

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 105.064 C1 C2 H7 126.552
C1 O5 C4 105.998 C2 C1 O5 112.000
C2 C1 Cl6 131.588 C2 C3 C4 106.295
C2 C3 H8 127.234 C3 C2 H7 128.384
C3 C4 O5 110.643 C3 C4 H9 133.808
C4 C3 H8 126.471 O5 C1 Cl6 116.412
O5 C4 H9 115.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability