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All results from a given calculation for C4H6O (Furan, 2,3-dihydro-)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-231.314245
Energy at 298.15K-231.321409
HF Energy-231.314245
Nuclear repulsion energy174.296772
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 B3LYP/aug-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 3247 3141 4.70      
2 A 3222 3117 1.16      
3 A 3103 3003 30.20      
4 A 3057 2957 41.60      
5 A 3038 2939 28.43      
6 A 3011 2913 40.26      
7 A 1672 1618 66.14      
8 A 1522 1473 0.96      
9 A 1501 1453 0.65      
10 A 1406 1360 3.98      
11 A 1325 1282 0.29      
12 A 1308 1266 10.69      
13 A 1252 1211 6.47      
14 A 1210 1170 6.09      
15 A 1161 1123 53.43      
16 A 1086 1051 38.94      
17 A 1075 1040 30.10      
18 A 1002 970 4.42      
19 A 931 900 12.65      
20 A 929 899 7.32      
21 A 925 895 45.04      
22 A 844 817 3.53      
23 A 837 810 5.42      
24 A 720 697 44.79      
25 A 694 671 3.60      
26 A 462 447 18.31      
27 A 89 86 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 20313.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 19653.0 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 B3LYP/aug-cc-pVTZ
ABC
0.27007 0.26090 0.14008

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.133 2.020 0.058
C2 0.620 1.074 0.030
H3 2.243 -0.386 0.015
C4 1.198 -0.120 0.007
O5 0.342 -1.183 -0.048
H6 -1.291 1.284 -0.976
H7 -1.408 1.388 0.773
C8 -0.878 0.893 -0.042
H9 -1.595 -1.083 -0.753
H10 -1.418 -0.968 1.007
C11 -1.006 -0.645 0.050

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.07642.64952.14123.30022.73662.71492.30804.21084.04133.4172
C21.07642.18301.32652.27482.17042.18301.51123.18983.04532.3662
H32.64952.18301.07872.06294.03294.13003.37393.97643.83763.2598
C42.14121.32651.07871.36583.02243.10722.31073.05102.92582.2660
O53.30022.27482.06291.36583.10013.21642.40722.06362.06281.4540
H62.73662.17044.03293.02243.10011.75621.09352.39713.00302.2034
H72.71492.18304.13003.10723.21641.75621.09132.91082.36722.1953
C82.30801.51123.37392.31072.40721.09351.09132.21902.20281.5458
H94.21083.18983.97643.05102.06362.39712.91082.21901.77301.0882
H104.04133.04533.83762.92582.06283.00302.36722.20281.77301.0909
C113.41722.36623.25982.26601.45402.20342.19531.54581.08821.0909

picture of Furan, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 125.698 H1 C2 C8 125.399
C2 C4 H3 130.071 C2 C4 O5 115.317
C2 C8 H6 111.874 C2 C8 H7 113.038
C2 C8 C11 101.428 H3 C4 O5 114.608
C4 C2 C8 108.864 C4 O5 C11 106.910
O5 C11 C8 106.693 O5 C11 H9 107.664
O5 C11 H10 107.446 H6 C8 H7 106.991
H6 C8 C11 112.060 H7 C8 C11 111.537
C8 C11 H9 113.664 C8 C11 H10 112.169
H9 C11 H10 108.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability