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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-688.390367
Energy at 298.15K-688.394164
HF Energy-687.519212
Nuclear repulsion energy265.396540
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/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' 3355 3148 0.09      
2 A' 3336 3130 0.50      
3 A' 3318 3113 1.59      
4 A' 1680 1576 16.72      
5 A' 1585 1487 58.53      
6 A' 1459 1369 13.65      
7 A' 1307 1226 53.11      
8 A' 1260 1182 28.75      
9 A' 1187 1114 8.26      
10 A' 1133 1063 16.21      
11 A' 1062 997 21.05      
12 A' 960 900 32.48      
13 A' 913 857 1.62      
14 A' 509 478 3.37      
15 A' 322 303 0.45      
16 A" 821 770 5.29      
17 A" 787 738 24.66      
18 A" 744 698 45.08      
19 A" 630 592 12.56      
20 A" 586 550 1.36      
21 A" 229 215 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 13590.8 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 12752.3 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 MP3=FULL/6-31G*
ABC
0.30930 0.07155 0.05811

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.267 0.000
C2 1.306 -0.094 0.000
C3 1.300 -1.531 0.000
C4 -0.002 -1.907 0.000
O5 -0.821 -0.810 0.000
Cl6 -0.757 1.797 0.000
H7 2.156 0.571 0.000
H8 2.159 -2.186 0.000
H9 -0.507 -2.860 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35482.21842.17391.35401.70692.17763.26753.1675
C21.35481.43752.23612.24422.79791.07932.25953.3074
C32.21841.43751.35522.23973.91192.27001.08022.2428
C42.17392.23611.35521.36873.77993.28642.17881.0782
O51.35402.24422.23971.36872.60773.28183.28182.0736
Cl61.70692.79793.91193.77992.60773.16034.93584.6633
H72.17761.07932.27003.28643.28183.16032.75724.3433
H83.26752.25951.08022.17883.28184.93582.75722.7495
H93.16753.30742.24281.07822.07364.66334.34332.7495

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 105.177 C1 C2 H7 126.554
C1 O5 C4 105.959 C2 C1 O5 111.884
C2 C1 Cl6 131.741 C2 C3 C4 106.359
C2 C3 H8 127.081 C3 C2 H7 128.269
C3 C4 O5 110.620 C3 C4 H9 134.025
C4 C3 H8 126.561 O5 C1 Cl6 116.374
O5 C4 H9 115.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability