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

using model chemistry: MP3=FULL/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-688.631693
Energy at 298.15K-688.635605
HF Energy-687.548467
Nuclear repulsion energy266.933004
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(2df,p)
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' 3373 3373 0.20      
2 A' 3363 3363 1.52      
3 A' 3342 3342 1.00      
4 A' 1662 1662 18.63      
5 A' 1570 1570 50.95      
6 A' 1444 1444 19.06      
7 A' 1300 1300 55.12      
8 A' 1255 1255 17.16      
9 A' 1193 1193 7.75      
10 A' 1125 1125 15.07      
11 A' 1051 1051 21.58      
12 A' 961 961 28.02      
13 A' 914 914 1.11      
14 A' 513 513 3.25      
15 A' 320 320 0.29      
16 A" 872 872 0.08      
17 A" 829 829 20.87      
18 A" 772 772 44.42      
19 A" 660 660 3.86      
20 A" 622 622 5.88      
21 A" 238 238 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 13689.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13689.8 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 MP3=FULL/6-31G(2df,p)
ABC
0.31219 0.07246 0.05881

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.263 0.000
C2 1.301 -0.101 0.000
C3 1.282 -1.536 0.000
C4 -0.021 -1.893 0.000
O5 -0.822 -0.797 0.000
Cl6 -0.738 1.791 0.000
H7 2.148 0.557 0.000
H8 2.127 -2.198 0.000
H9 -0.532 -2.836 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35082.20892.15581.34111.69672.16833.25313.1444
C21.35081.43542.22722.23392.78091.07272.25473.2928
C32.20891.43541.35132.22973.89182.26541.07392.2318
C42.15582.22721.35131.35703.75273.27262.17001.0727
O51.34112.23392.22971.35702.58923.26413.26492.0598
Cl61.69672.78093.89183.75272.58923.13844.91134.6317
H72.16831.07272.26543.27263.26413.13842.75594.3242
H83.25312.25471.07392.17003.26494.91132.75592.7343
H93.14443.29282.23181.07272.05984.63174.32422.7343

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 104.854 C1 C2 H7 126.559
C1 O5 C4 106.070 C2 C1 O5 112.175
C2 C1 Cl6 131.380 C2 C3 C4 106.073
C2 C3 H8 127.342 C3 C2 H7 128.587
C3 C4 O5 110.829 C3 C4 H9 133.736
C4 C3 H8 126.585 O5 C1 Cl6 116.446
O5 C4 H9 115.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability