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

using model chemistry: MP4=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-688.437907
Energy at 298.15K-688.441565
HF Energy-687.516847
Nuclear repulsion energy263.974287
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 MP4=FULL/6-31G*
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' 3305 3178        
2 A' 3284 3158        
3 A' 3265 3140        
4 A' 1617 1554        
5 A' 1534 1475        
6 A' 1420 1365        
7 A' 1261 1212        
8 A' 1222 1175        
9 A' 1161 1116        
10 A' 1094 1052        
11 A' 1042 1002        
12 A' 926 890        
13 A' 888 854        
14 A' 496 477        
15 A' 314 302        
16 A" 786 756        
17 A" 754 725        
18 A" 703 676        
19 A" 608 584        
20 A" 564 542        
21 A" 219 210        

Unscaled Zero Point Vibrational Energy (zpe) 13230.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 12722.0 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 MP4=FULL/6-31G*
ABC
0.30489 0.07091 0.05753

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.271 0.000
C2 1.316 -0.093 0.000
C3 1.312 -1.530 0.000
C4 0.004 -1.918 0.000
O5 -0.826 -0.816 0.000
Cl6 -0.766 1.802 0.000
H7 2.169 0.575 0.000
H8 2.178 -2.183 0.000
H9 -0.503 -2.874 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.36532.22862.18931.36591.71202.19003.28143.1851
C21.36531.43722.24752.26122.81541.08352.26123.3231
C32.22861.43721.36422.25473.92742.27291.08452.2586
C42.18932.24751.36421.37993.79923.30172.18961.0822
O51.36592.26122.25471.37992.61923.30273.30072.0829
Cl61.71202.81543.92743.79922.61923.18124.95504.6835
H72.19001.08352.27293.30173.30273.18122.75874.3630
H83.28142.26121.08452.18963.30074.95502.75872.7684
H93.18513.32312.25861.08222.08294.68354.36302.7684

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 105.322 C1 C2 H7 126.459
C1 O5 C4 105.747 C2 C1 O5 111.768
C2 C1 Cl6 132.054 C2 C3 C4 106.668
C2 C3 H8 126.900 C3 C2 H7 128.220
C3 C4 O5 110.495 C3 C4 H9 134.487
C4 C3 H8 126.432 O5 C1 Cl6 116.178
O5 C4 H9 115.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability