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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-688.398172
Energy at 298.15K-688.401932
HF Energy-687.531718
Nuclear repulsion energy265.109171
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 MP3/6-31+G**
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' 3392 3157 0.05      
2 A' 3374 3139 0.53      
3 A' 3355 3122 1.80      
4 A' 1668 1552 13.50      
5 A' 1576 1467 72.93      
6 A' 1455 1354 12.30      
7 A' 1301 1211 42.28      
8 A' 1254 1167 41.71      
9 A' 1179 1097 8.99      
10 A' 1127 1049 17.43      
11 A' 1058 984 22.36      
12 A' 955 889 29.90      
13 A' 910 846 2.06      
14 A' 509 473 3.61      
15 A' 323 300 0.71      
16 A" 816 760 6.28      
17 A" 772 718 27.06      
18 A" 735 684 61.63      
19 A" 606 564 11.58      
20 A" 563 524 0.20      
21 A" 218 203 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 13571.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 12628.5 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 MP3/6-31+G**
ABC
0.30862 0.07138 0.05797

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.270 0.000
C2 1.309 -0.091 0.000
C3 1.305 -1.531 0.000
C4 0.001 -1.911 0.000
O5 -0.819 -0.811 0.000
Cl6 -0.762 1.796 0.000
H7 2.153 0.574 0.000
H8 2.160 -2.183 0.000
H9 -0.499 -2.861 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35792.22382.18051.35631.70652.17473.26823.1700
C21.35791.44032.24192.24722.80191.07412.25893.3080
C32.22381.44031.35882.24293.91722.26911.07512.2411
C42.18052.24191.35881.37153.78503.28742.17621.0732
O51.35632.24722.24291.37152.60853.27933.27962.0745
Cl61.70652.80193.91723.78502.60853.16124.93714.6649
H72.17471.07412.26913.28743.27933.16122.75704.3393
H83.26822.25891.07512.17623.27964.93712.75702.7433
H93.17003.30802.24111.07322.07454.66494.33932.7433

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 105.220 C1 C2 H7 126.412
C1 O5 C4 106.137 C2 C1 O5 111.773
C2 C1 Cl6 131.899 C2 C3 C4 106.402
C2 C3 H8 127.198 C3 C2 H7 128.368
C3 C4 O5 110.468 C3 C4 H9 133.958
C4 C3 H8 126.400 O5 C1 Cl6 116.328
O5 C4 H9 115.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability