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

using model chemistry: MP2=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 MP2=FULL/TZVP
 hartrees
Energy at 0K-688.611827
Energy at 298.15K 
HF Energy-687.614886
Nuclear repulsion energy265.361218
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=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' 3341 3183 0.12      
2 A' 3325 3168 1.20      
3 A' 3306 3149 0.99      
4 A' 1597 1521 12.21      
5 A' 1515 1444 57.51      
6 A' 1421 1354 17.91      
7 A' 1271 1211 39.67      
8 A' 1236 1178 50.93      
9 A' 1172 1117 6.38      
10 A' 1105 1053 12.23      
11 A' 1044 995 24.94      
12 A' 939 894 25.02      
13 A' 898 856 1.24      
14 A' 501 477 3.87      
15 A' 315 300 0.43      
16 A" 723 689 44.69      
17 A" 680 648 20.88      
18 A" 652 621 21.01      
19 A" 580 552 12.64      
20 A" 206 196 1.81      
21 A" 300i 286i 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 12763.7 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 12160.0 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=FULL/TZVP
ABC
0.30880 0.07150 0.05806

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.265 0.000
C2 1.309 -0.109 0.000
C3 1.292 -1.535 0.000
C4 -0.017 -1.908 0.000
O5 -0.826 -0.805 0.000
Cl6 -0.745 1.803 0.000
H7 2.158 0.550 0.000
H8 2.140 -2.197 0.000
H9 -0.527 -2.853 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36142.21602.17301.35201.70922.17683.26263.1625
C21.36141.42602.23432.24562.80671.07502.24743.3013
C32.21601.42601.36072.24043.91102.25791.07622.2461
C42.17302.23431.36071.36793.78193.28182.17651.0742
O51.35202.24562.24041.36792.60963.27753.27702.0699
Cl61.70922.80673.91103.78192.60963.16224.93264.6616
H72.17681.07502.25793.28183.27753.16222.74724.3347
H83.26262.24741.07622.17653.27704.93262.74722.7467
H93.16253.30132.24611.07422.06994.66164.33472.7467

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 105.281 C1 C2 H7 126.212
C1 O5 C4 106.054 C2 C1 O5 111.703
C2 C1 Cl6 131.810 C2 C3 C4 106.572
C2 C3 H8 127.276 C3 C2 H7 128.508
C3 C4 O5 110.390 C3 C4 H9 134.236
C4 C3 H8 126.152 O5 C1 Cl6 116.487
O5 C4 H9 115.374
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability