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

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-688.399745
Energy at 298.15K-688.403522
HF Energy-687.555782
Nuclear repulsion energy263.855776
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 MP2/cc-pVDZ
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' 3336 3178 0.03      
2 A' 3322 3164 1.16      
3 A' 3301 3144 0.85      
4 A' 1596 1520 13.53      
5 A' 1516 1444 52.71      
6 A' 1419 1352 13.10      
7 A' 1261 1201 73.44      
8 A' 1231 1173 16.93      
9 A' 1171 1115 3.91      
10 A' 1093 1041 9.28      
11 A' 1028 979 25.25      
12 A' 927 883 24.14      
13 A' 886 844 1.26      
14 A' 500 476 3.44      
15 A' 313 298 0.29      
16 A" 839 799 0.11      
17 A" 787 749 24.93      
18 A" 725 690 47.88      
19 A" 626 597 7.68      
20 A" 598 569 1.23      
21 A" 224 213 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 13348.7 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 12714.6 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 MP2/cc-pVDZ
ABC
0.30318 0.07098 0.05751

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.268 0.000
C2 1.321 -0.123 0.000
C3 1.285 -1.559 0.000
C4 -0.046 -1.912 0.000
O5 -0.842 -0.796 0.000
Cl6 -0.728 1.817 0.000
H7 2.186 0.536 0.000
H8 2.133 -2.242 0.000
H9 -0.574 -2.862 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.37732.23332.18041.35681.71192.20283.29403.1822
C21.37731.43642.25132.26512.82141.08802.26983.3308
C32.23331.43641.37662.25953.93062.28071.08922.2704
C42.18042.25131.37661.37103.79143.31302.20351.0871
O51.35682.26512.25951.37102.61613.30853.30782.0833
Cl61.71192.82143.93063.79142.61613.18324.96644.6821
H72.20281.08802.28073.31303.30853.18322.77914.3783
H83.29402.26981.08922.20353.30784.96642.77912.7771
H93.18223.33082.27041.08712.08334.68214.37832.7771

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 105.049 C1 C2 H7 126.239
C1 O5 C4 106.134 C2 C1 O5 111.877
C2 C1 Cl6 131.632 C2 C3 C4 106.300
C2 C3 H8 127.440 C3 C2 H7 128.712
C3 C4 O5 110.639 C3 C4 H9 133.955
C4 C3 H8 126.259 O5 C1 Cl6 116.490
O5 C4 H9 115.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability