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

using model chemistry: CCD/6-31G

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/6-31G
 hartrees
Energy at 0K-687.936038
Energy at 298.15K-687.939667
HF Energy-687.386528
Nuclear repulsion energy258.101257
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/6-31G
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' 3305 3171 0.30      
2 A' 3272 3140 0.02      
3 A' 3250 3118 2.06      
4 A' 1626 1560 10.59      
5 A' 1529 1467 45.86      
6 A' 1395 1338 9.35      
7 A' 1273 1222 25.74      
8 A' 1191 1143 44.86      
9 A' 1132 1086 30.67      
10 A' 1056 1014 14.27      
11 A' 1026 984 20.08      
12 A' 910 873 29.74      
13 A' 895 858 9.29      
14 A' 459 440 2.23      
15 A' 294 282 0.44      
16 A" 803 770 17.41      
17 A" 778 746 10.95      
18 A" 722 693 55.34      
19 A" 605 580 10.42      
20 A" 572 549 4.93      
21 A" 216 207 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 13153.5 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 12620.8 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/6-31G
ABC
0.29939 0.06666 0.05452

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.265 0.000
C2 1.330 -0.050 0.000
C3 1.396 -1.512 0.000
C4 0.106 -1.976 0.000
O5 -0.797 -0.883 0.000
Cl6 -0.866 1.831 0.000
H7 2.160 0.648 0.000
H8 2.299 -2.115 0.000
H9 -0.356 -2.955 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36662.25982.24421.39751.78872.19343.30923.2403
C21.36661.46302.28172.28332.89101.08482.28063.3583
C32.25981.46301.37082.28084.03572.29091.08612.2695
C42.24422.28171.37081.41793.92903.33232.19751.0824
O51.39752.28332.28081.41792.71433.32923.33182.1189
Cl61.78872.89104.03573.92902.71433.24855.05794.8130
H72.19341.08482.29093.33233.32923.24852.76604.3943
H83.30922.28061.08612.19753.33185.05792.76602.7847
H93.24033.35832.26951.08242.11894.81304.39432.7847

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 105.954 C1 C2 H7 126.575
C1 O5 C4 105.711 C2 C1 O5 111.389
C2 C1 Cl6 132.310 C2 C3 C4 107.212
C2 C3 H8 126.305 C3 C2 H7 127.471
C3 C4 O5 109.734 C3 C4 H9 135.052
C4 C3 H8 126.483 O5 C1 Cl6 116.301
O5 C4 H9 115.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability