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

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-688.640305
Energy at 298.15K-688.643684
HF Energy-687.615840
Nuclear repulsion energy265.282108
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 CCSD=FULL/TZVP
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' 3335 3160 0.06      
2 A' 3318 3143 0.53      
3 A' 3297 3124 1.74      
4 A' 1645 1559 16.76      
5 A' 1561 1479 65.37      
6 A' 1432 1357 15.52      
7 A' 1281 1214 27.43      
8 A' 1234 1170 45.96      
9 A' 1169 1107 10.66      
10 A' 1112 1053 20.43      
11 A' 1042 987 22.40      
12 A' 951 901 28.06      
13 A' 908 860 1.06      
14 A' 500 474 3.61      
15 A' 316 299 0.45      
16 A" 760 720 27.38      
17 A" 709 671 53.85      
18 A" 692 655 0.18      
19 A" 594 563 13.03      
20 A" 257 244 0.01      
21 A" 211 200 2.49      

Unscaled Zero Point Vibrational Energy (zpe) 13161.5 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 12470.6 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 CCSD=FULL/TZVP
ABC
0.31033 0.07129 0.05797

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.263 0.000
C2 1.306 -0.084 0.000
C3 1.311 -1.524 0.000
C4 0.014 -1.908 0.000
O5 -0.813 -0.818 0.000
Cl6 -0.772 1.795 0.000
H7 2.147 0.585 0.000
H8 2.170 -2.171 0.000
H9 -0.479 -2.863 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35112.21632.17141.35261.71572.17073.26153.1621
C21.35111.43972.23472.24172.80171.07492.25913.3019
C32.21631.43971.35202.23753.91872.26881.07612.2347
C42.17142.23471.35201.36823.78613.28072.17191.0742
O51.35262.24172.23751.36822.61393.27513.27552.0714
Cl61.71572.80173.91873.78612.61393.15964.93884.6671
H72.17071.07492.26883.28073.27513.15962.75664.3335
H83.26152.25911.07612.17193.27554.93882.75662.7378
H93.16213.30192.23471.07422.07144.66714.33352.7378

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 105.106 C1 C2 H7 126.580
C1 O5 C4 105.891 C2 C1 O5 112.021
C2 C1 Cl6 131.641 C2 C3 C4 106.304
C2 C3 H8 127.188 C3 C2 H7 128.315
C3 C4 O5 110.679 C3 C4 H9 133.842
C4 C3 H8 126.508 O5 C1 Cl6 116.339
O5 C4 H9 115.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability