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

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-685.800671
Energy at 298.15K-685.804456
HF Energy-685.587399
Nuclear repulsion energy262.008133
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 B2PLYP=FULL/3-21G*
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' 3353 3353 0.24      
2 A' 3328 3328 0.82      
3 A' 3307 3307 1.09      
4 A' 1583 1583 24.11      
5 A' 1488 1488 43.36      
6 A' 1393 1393 16.34      
7 A' 1277 1277 4.92      
8 A' 1178 1178 17.17      
9 A' 1132 1132 34.15      
10 A' 1042 1042 13.69      
11 A' 1025 1025 13.51      
12 A' 919 919 2.71      
13 A' 901 901 27.40      
14 A' 488 488 4.32      
15 A' 303 303 0.39      
16 A" 896 896 0.05      
17 A" 851 851 23.24      
18 A" 757 757 72.65      
19 A" 636 636 1.37      
20 A" 614 614 8.60      
21 A" 227 227 2.94      

Unscaled Zero Point Vibrational Energy (zpe) 13348.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13348.6 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 B2PLYP=FULL/3-21G*
ABC
0.30196 0.06972 0.05664

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.285 0.000
C2 1.303 -0.115 0.000
C3 1.284 -1.563 0.000
C4 -0.022 -1.953 0.000
O5 -0.863 -0.816 0.000
Cl6 -0.722 1.835 0.000
H7 2.165 0.526 0.000
H8 2.144 -2.209 0.000
H9 -0.528 -2.899 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36272.25012.23781.39891.71002.17803.28863.2269
C21.36271.44762.26512.27622.81101.07432.25633.3312
C32.25011.44761.36302.27333.94582.26661.07542.2511
C42.23782.26511.36301.41423.85223.30522.18071.0725
O51.39892.27622.27331.41422.65503.31173.31382.1093
Cl61.71002.81103.94583.85222.65503.16934.95634.7377
H72.17801.07432.26663.30523.31173.16932.73484.3561
H83.28862.25631.07542.18073.31384.95632.73482.7592
H93.22693.33122.25111.07252.10934.73774.35612.7592

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 106.347 C1 C2 H7 126.281
C1 O5 C4 105.406 C2 C1 O5 111.017
C2 C1 Cl6 132.037 C2 C3 C4 107.362
C2 C3 H8 126.196 C3 C2 H7 127.372
C3 C4 O5 109.869 C3 C4 H9 134.778
C4 C3 H8 126.442 O5 C1 Cl6 116.946
O5 C4 H9 115.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability