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All results from a given calculation for C4H6O (Furan, 2,5-dihydro-)

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-231.158588
Energy at 298.15K-231.165666
HF Energy-231.158588
Nuclear repulsion energy173.624418
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 B97D3/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 A1 3172 3123 11.37      
2 A1 2920 2875 6.88      
3 A1 1642 1617 0.22      
4 A1 1486 1463 2.11      
5 A1 1354 1333 3.02      
6 A1 1091 1074 1.04      
7 A1 971 956 6.92      
8 A1 872 859 21.78      
9 A1 738 726 6.46      
10 A2 2928 2884 0.00      
11 A2 1196 1178 0.00      
12 A2 1034 1018 0.00      
13 A2 922 908 0.00      
14 A2 391 385 0.00      
15 B1 2930 2885 99.52      
16 B1 1149 1132 3.27      
17 B1 998 983 14.77      
18 B1 654 644 38.43      
19 B1 105 104 7.28      
20 B2 3148 3100 5.11      
21 B2 2914 2869 182.43      
22 B2 1476 1454 0.94      
23 B2 1338 1318 4.46      
24 B2 1300 1280 0.63      
25 B2 1055 1039 95.74      
26 B2 898 884 0.05      
27 B2 795 783 4.39      

Unscaled Zero Point Vibrational Energy (zpe) 19738.2 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 19436.2 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 B97D3/aug-cc-pVTZ
ABC
0.26598 0.26272 0.13912

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.195
C2 0.000 1.176 0.367
C3 0.000 0.666 -1.044
C4 0.000 -0.666 -1.044
C5 0.000 -1.176 0.367
H6 0.889 1.787 0.596
H7 -0.889 1.787 0.596
H8 -0.889 -1.787 0.596
H9 0.889 -1.787 0.596
H10 0.000 1.314 -1.913
H11 0.000 -1.314 -1.913

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.43822.33512.33511.43822.08332.08332.08332.08333.37363.3736
C21.43821.50052.32032.35271.10231.10233.10193.10192.28403.3764
C32.33511.50051.33132.32032.17622.17623.08103.08101.08422.1620
C42.33512.32031.33131.50053.08103.08102.17622.17622.16201.0842
C51.43822.35272.32031.50053.10193.10191.10231.10233.37642.2840
H62.08331.10232.17623.08103.10191.77803.99113.57322.70324.0863
H72.08331.10232.17623.08103.10191.77803.57323.99112.70324.0863
H82.08333.10193.08102.17621.10233.99113.57321.77804.08632.7032
H92.08333.10193.08102.17621.10233.57323.99111.77804.08632.7032
H103.37362.28401.08422.16203.37642.70322.70324.08634.08632.6282
H113.37363.37642.16201.08422.28404.08634.08632.70322.70322.6282

picture of Furan, 2,5-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 105.220 O1 C2 H6 109.471
O1 C2 H7 109.471 O1 C5 C4 105.220
O1 C5 H8 109.471 O1 C5 H9 109.471
C2 O1 C5 109.761 C2 C3 C4 109.900
C2 C3 H10 123.367 C3 C2 H6 112.563
C3 C2 H7 112.563 C3 C4 C5 109.900
C3 C4 H11 126.733 C4 C3 H10 126.733
C4 C5 H8 112.563 C4 C5 H9 112.563
C5 C4 H11 123.367 H6 C2 H7 107.508
H8 C5 H9 107.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.453      
2 C 0.053      
3 C -0.426      
4 C -0.426      
5 C 0.053      
6 H 0.149      
7 H 0.149      
8 H 0.149      
9 H 0.149      
10 H 0.302      
11 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.559 1.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.249 0.000 0.000
y 0.000 -26.597 0.000
z 0.000 0.000 -32.353
Traceless
 xyz
x -1.774 0.000 0.000
y 0.000 5.204 0.000
z 0.000 0.000 -3.430
Polar
3z2-r2-6.860
x2-y2-4.652
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.218 0.000 0.000
y 0.000 9.811 0.000
z 0.000 0.000 7.688


<r2> (average value of r2) Å2
<r2> 94.927
(<r2>)1/2 9.743