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

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-688.703638
Energy at 298.15K-688.707541
HF Energy-687.639165
Nuclear repulsion energy266.101955
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 CCD/cc-pVTZ
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' 3327 3106 0.00      
2 A' 3314 3094 0.91      
3 A' 3293 3075 1.43      
4 A' 1652 1543 15.63      
5 A' 1561 1458 60.75      
6 A' 1437 1342 15.18      
7 A' 1287 1202 46.89      
8 A' 1244 1162 31.04      
9 A' 1175 1097 7.98      
10 A' 1118 1044 16.86      
11 A' 1040 971 22.44      
12 A' 952 888 26.90      
13 A' 908 848 1.87      
14 A' 505 472 3.29      
15 A' 318 297 0.41      
16 A" 896 837 0.06      
17 A" 835 779 18.00      
18 A" 768 717 60.34      
19 A" 651 607 3.77      
20 A" 617 576 6.75      
21 A" 233 218 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 13565.7 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 12666.3 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 CCD/cc-pVTZ
ABC
0.31131 0.07187 0.05839

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.265 0.000
C2 1.304 -0.093 0.000
C3 1.296 -1.531 0.000
C4 -0.004 -1.901 0.000
O5 -0.817 -0.807 0.000
Cl6 -0.754 1.793 0.000
H7 2.147 0.572 0.000
H8 2.146 -2.188 0.000
H9 -0.503 -2.851 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35192.21412.16541.34751.70452.16893.25903.1561
C21.35191.43772.23162.23792.79161.07362.25803.2974
C32.21411.43771.35202.23353.90522.26801.07482.2317
C42.16542.23161.35201.36273.76913.27742.16981.0733
O51.34752.23792.23351.36272.60073.26903.26942.0682
Cl61.70452.79163.90523.76912.60073.14804.92564.6509
H72.16891.07362.26803.27743.26903.14802.75944.3288
H83.25902.25801.07482.16983.26944.92562.75942.7312
H93.15613.29742.23171.07332.06824.65094.32882.7312

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 105.020 C1 C2 H7 126.425
C1 O5 C4 106.062 C2 C1 O5 111.994
C2 C1 Cl6 131.606 C2 C3 C4 106.204
C2 C3 H8 127.384 C3 C2 H7 128.555
C3 C4 O5 110.720 C3 C4 H9 133.577
C4 C3 H8 126.413 O5 C1 Cl6 116.400
O5 C4 H9 115.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability