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All results from a given calculation for C4H8O (Furan, tetrahydro-)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-231.063408
Energy at 298.15K-231.073625
HF Energy-231.063408
Nuclear repulsion energy192.287986
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 HF/daug-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 3225 2918 31.61      
2 A 3212 2906 3.04      
3 A 3169 2867 19.09      
4 A 3149 2849 4.86      
5 A 1666 1507 0.02      
6 A 1624 1469 4.23      
7 A 1539 1392 6.64      
8 A 1463 1323 1.40      
9 A 1368 1238 0.00      
10 A 1306 1181 7.54      
11 A 1274 1152 0.12      
12 A 1108 1002 10.89      
13 A 1012 915 30.04      
14 A 981 887 0.21      
15 A 909 822 5.21      
16 A 722 653 4.24      
17 A 259 234 0.02      
18 B 3235 2926 89.46      
19 B 3209 2903 121.38      
20 B 3173 2870 27.56      
21 B 3145 2845 142.79      
22 B 1654 1496 0.79      
23 B 1611 1457 2.83      
24 B 1497 1354 0.23      
25 B 1442 1304 0.08      
26 B 1370 1239 7.97      
27 B 1302 1178 15.07      
28 B 1243 1125 151.28      
29 B 1039 940 0.51      
30 B 974 881 8.42      
31 B 950 859 3.23      
32 B 623 564 0.28      
33 B 82 74 6.73      

Unscaled Zero Point Vibrational Energy (zpe) 27265.4 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 24664.2 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 HF/daug-cc-pVTZ
ABC
0.24034 0.23789 0.13554

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.227
C2 0.000 1.162 0.433
C3 0.000 -1.162 0.433
C4 0.302 0.702 -0.989
C5 -0.302 -0.702 -0.989
H6 -0.734 -1.855 0.822
H7 0.734 1.855 0.822
H8 -0.976 1.636 0.491
H9 0.976 -1.636 0.491
H10 1.373 0.650 -1.150
H11 -1.373 -0.650 -1.150
H12 -0.120 1.357 -1.739
H13 0.120 -1.357 -1.739

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
O11.40731.40732.34412.34412.03592.03592.04202.04202.82062.82063.26413.2641
C21.40732.32421.52532.36393.12961.08211.08632.96392.15692.77042.18463.3288
C31.40732.32422.36391.52531.08213.12962.96391.08632.77042.15693.32882.1846
C42.34411.52532.36391.52753.30032.19072.16712.84801.08442.15801.08152.1986
C52.34412.36391.52531.52752.19073.30032.84802.16712.15801.08442.19861.0815
H62.03593.12961.08213.30032.19073.99053.51511.75563.82182.39744.15422.7457
H72.03591.08213.12962.19073.30033.99051.75563.51512.39743.82182.74574.1542
H82.04201.08632.96392.16712.84803.51511.75563.80973.02982.84222.40543.8903
H92.04202.96391.08632.84802.16711.75563.51513.80972.84223.02983.89032.4054
H102.82062.15692.77041.08442.15803.82182.39743.02982.84223.03801.75352.4386
H112.82062.77042.15692.15801.08442.39743.82182.84223.02983.03802.43861.7535
H123.26412.18463.32881.08152.19864.15422.74572.40543.89031.75352.43862.7247
H133.26413.32882.18462.19861.08152.74574.15423.89032.40542.43861.75352.7247

picture of Furan, tetrahydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C4 106.061 O1 C2 H6 29.977
O1 C2 H7 109.040 O1 C3 C5 106.061
O1 C3 H8 37.754 O1 C3 H9 109.277
C2 O1 C3 111.340 C2 C4 C5 101.494
C2 C4 H10 110.344 C2 C4 H11 96.032
C3 C5 C4 101.494 C3 C5 H12 125.767
C3 C5 H13 112.757 C4 C2 H6 82.602
C4 C2 H7 113.221 C4 C5 H12 26.759
C4 C5 H13 113.757 C5 C3 H8 70.621
C5 C3 H9 111.046 C5 C4 H10 110.278
C5 C4 H11 28.121 H6 C2 H7 137.063
H8 C3 H9 134.951 H10 C4 H11 136.533
H12 C5 H13 107.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.905      
2 C -0.660      
3 C -0.660      
4 C -0.785      
5 C -0.785      
6 H 0.522      
7 H 0.522      
8 H 0.522      
9 H 0.522      
10 H 0.387      
11 H 0.387      
12 H 0.465      
13 H 0.465      


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 -1.849 1.849
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.913 0.034 0.000
y 0.034 -29.379 0.000
z 0.000 0.000 -35.104
Traceless
 xyz
x 1.329 0.034 0.000
y 0.034 3.630 0.000
z 0.000 0.000 -4.958
Polar
3z2-r2-9.916
x2-y2-1.534
xy0.034
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.468 0.092 0.000
y 0.092 7.756 0.000
z 0.000 0.000 7.013


<r2> (average value of r2) Å2
<r2> 103.180
(<r2>)1/2 10.158