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

using model chemistry: CCSD(T)=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(T)=FULL/TZVP
 hartrees
Energy at 0K-688.681524
Energy at 298.15K 
HF Energy-687.614502
Nuclear repulsion energy264.417665
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(T)=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' 3312 3166        
2 A' 3295 3150        
3 A' 3274 3130        
4 A' 1606 1535        
5 A' 1526 1459        
6 A' 1409 1347        
7 A' 1258 1203        
8 A' 1212 1158        
9 A' 1152 1101        
10 A' 1090 1042        
11 A' 1029 984        
12 A' 933 892        
13 A' 894 854        
14 A' 492 471        
15 A' 310 297        
16 A" 719 687        
17 A" 668 639        
18 A" 652 623        
19 A" 568 543        
20 A" 202 193        
21 A" 217i 208i        

Unscaled Zero Point Vibrational Energy (zpe) 12691.0 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 12132.6 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(T)=FULL/TZVP
ABC
0.30737 0.07093 0.05763

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.265 0.000
C2 1.312 -0.090 0.000
C3 1.311 -1.530 0.000
C4 0.008 -1.915 0.000
O5 -0.821 -0.818 0.000
Cl6 -0.768 1.802 0.000
H7 2.156 0.578 0.000
H8 2.170 -2.181 0.000
H9 -0.491 -2.869 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35862.22262.17991.35861.71852.17883.27003.1716
C21.35861.44002.24302.25302.81141.07682.26093.3120
C32.22261.44001.35912.24743.92752.27101.07812.2448
C42.17992.24301.35911.37463.79743.29112.17861.0760
O51.35862.25302.24741.37462.62083.28783.28672.0770
Cl61.71852.81143.92753.79742.62083.16994.94984.6791
H72.17881.07682.27103.29113.28783.16992.75954.3458
H83.27002.26091.07812.17863.28674.94982.75952.7481
H93.17163.31202.24481.07602.07704.67914.34582.7481

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 105.116 C1 C2 H7 126.529
C1 O5 C4 105.793 C2 C1 O5 112.023
C2 C1 Cl6 131.671 C2 C3 C4 106.480
C2 C3 H8 127.166 C3 C2 H7 128.354
C3 C4 O5 110.588 C3 C4 H9 134.065
C4 C3 H8 126.354 O5 C1 Cl6 116.306
O5 C4 H9 115.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability