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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-688.453561
Energy at 298.15K-688.457280
HF Energy-687.568280
Nuclear repulsion energy263.246353
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/aug-cc-pVDZ
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' 3326 3190 0.20      
2 A' 3309 3173 1.23      
3 A' 3289 3154 0.94      
4 A' 1574 1509 11.61      
5 A' 1495 1434 55.62      
6 A' 1399 1342 10.26      
7 A' 1238 1187 41.72      
8 A' 1216 1166 49.04      
9 A' 1145 1098 2.39      
10 A' 1080 1036 11.36      
11 A' 1026 984 25.12      
12 A' 917 879 23.03      
13 A' 879 843 2.46      
14 A' 496 476 3.53      
15 A' 310 297 0.59      
16 A" 815 782 0.08      
17 A" 775 743 33.77      
18 A" 706 677 53.02      
19 A" 606 581 7.95      
20 A" 591 567 1.26      
21 A" 215 206 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 13202.5 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 12661.2 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/aug-cc-pVDZ
ABC
0.30226 0.07061 0.05724

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.273 0.000
C2 1.325 -0.108 0.000
C3 1.306 -1.546 0.000
C4 -0.020 -1.921 0.000
O5 -0.833 -0.807 0.000
Cl6 -0.754 1.812 0.000
H7 2.182 0.562 0.000
H8 2.161 -2.219 0.000
H9 -0.538 -2.876 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.37892.23862.19411.36311.71362.20113.29813.1945
C21.37891.43802.25862.26852.82951.08712.27043.3374
C32.23861.43801.37872.26283.93872.28221.08832.2742
C42.19412.25861.37871.37933.80443.31922.20201.0862
O51.36312.26852.26281.37932.61953.31073.31022.0905
Cl61.71362.82953.93873.80442.61953.19064.97394.6929
H72.20111.08712.28223.31923.31073.19062.78044.3840
H83.29812.27041.08832.20203.31024.97392.78042.7785
H93.19453.33742.27421.08622.09054.69294.38402.7785

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 105.234 C1 C2 H7 125.985
C1 O5 C4 106.274 C2 C1 O5 111.644
C2 C1 Cl6 132.095 C2 C3 C4 106.591
C2 C3 H8 127.423 C3 C2 H7 128.781
C3 C4 O5 110.256 C3 C4 H9 134.281
C4 C3 H8 125.986 O5 C1 Cl6 116.262
O5 C4 H9 115.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability