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All results from a given calculation for C5H10O (2H-Pyran, tetrahydro-)

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-270.291398
Energy at 298.15K 
Nuclear repulsion energy257.079653
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/3-21G
Rotational Constants (cm-1) from geometry optimized at B3LYP/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.457 0.000
C2 0.056 -1.473 0.000
H3 -1.011 -1.738 0.000
H4 0.632 -2.405 0.000
C5 0.372 -0.640 1.265
C6 0.372 -0.640 -1.265
C7 -0.366 0.708 -1.203
C8 -0.366 0.708 1.203
H9 0.078 -1.181 2.172
H10 0.078 -1.181 -2.172
H11 1.450 -0.446 1.312
H12 1.450 -0.446 -1.312
H13 -1.454 0.531 -1.228
H14 -1.454 0.531 1.228
H15 -0.092 1.353 -2.042
H16 -0.092 1.353 2.042

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.93093.35123.91392.47762.47761.46351.46353.41853.41852.72902.72902.11662.11662.04642.0464
C22.93091.09921.09581.54701.54702.52602.52602.19182.19182.17232.17232.79352.79353.48933.4893
H33.35121.09921.77332.17192.17192.80062.80062.49252.49253.07333.07332.61742.61743.81633.8163
H43.91391.09581.77332.18692.18693.48333.48332.55432.55432.49542.49543.80543.80544.33764.3376
C52.47761.54702.17192.18692.52972.90701.53831.09673.49181.09642.79973.30462.17013.88862.1889
C62.47761.54702.17192.18692.52971.53832.90703.49181.09672.79971.09642.17013.30462.18893.8886
C71.46352.52602.80063.48332.90701.53832.40523.89292.16913.30942.15471.10292.66871.09313.3191
C81.46352.52602.80063.48331.53832.90702.40522.16913.89292.15473.30942.66871.10293.31911.0931
H93.41852.19182.49252.55431.09673.49183.89292.16914.34441.77913.81604.10322.48384.92002.5429
H103.41852.19182.49252.55433.49181.09672.16913.89294.34443.81601.77912.48384.10322.54294.9200
H112.72902.17233.07332.49541.09642.79973.30942.15471.77913.81602.62333.97993.06574.10612.4796
H122.72902.17233.07332.49542.79971.09642.15473.30943.81601.77912.62333.06573.97992.47964.1061
H132.11662.79352.61743.80543.30462.17011.10292.66874.10322.48383.97993.06572.45531.78703.6358
H142.11662.79352.61743.80542.17013.30462.66871.10292.48384.10323.06573.97992.45533.63581.7870
H152.04643.48933.81634.33763.88862.18891.09313.31914.92002.54294.10612.47961.78703.63584.0833
H162.04643.48933.81634.33762.18893.88863.31911.09312.54294.92002.47964.10613.63581.78704.0833

picture of 2H-Pyran, tetrahydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C7 C6 111.227 O1 C7 H13 110.337
O1 C7 H15 105.427 O1 C8 C5 111.227
O1 C8 H14 110.337 O1 C8 H16 105.427
C2 C5 C8 109.911 C2 C5 H9 110.856
C2 C5 H11 109.338 C2 C6 C7 109.911
C2 C6 H10 110.856 C2 C6 H12 109.338
H3 C2 H4 107.777 H3 C2 C5 109.152
H3 C2 C6 109.152 H4 C2 C5 110.513
H4 C2 C6 110.513 C5 C2 C6 109.691
C5 C8 H14 109.391 C5 C8 H16 111.457
C6 C7 H13 109.391 C6 C7 H15 111.457
C7 O1 C8 110.517 C7 C6 H10 109.678
C7 C6 H12 108.573 C8 C5 H9 109.678
C8 C5 H11 108.573 H9 C5 H11 108.436
H10 C6 H12 108.436 H13 C7 H15 108.928
H14 C8 H16 108.928
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.473     -0.413
2 C -0.374     -0.012
3 H 0.184     0.041
4 H 0.192     0.021
5 C -0.394     -0.131
6 C -0.394     -0.131
7 C -0.127     0.109
8 C -0.127     0.109
9 H 0.185     0.031
10 H 0.185     0.031
11 H 0.200     0.074
12 H 0.200     0.074
13 H 0.170     0.034
14 H 0.170     0.034
15 H 0.202     0.065
16 H 0.202     0.065


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.440 -1.526 0.000 1.588
CHELPG        
AIM        
ESP -0.462 -1.509 0.000 1.578


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.880 -0.455 0.000
y -0.455 -41.703 0.000
z 0.000 0.000 -35.020
Traceless
 xyz
x 0.482 -0.455 0.000
y -0.455 -5.253 0.000
z 0.000 0.000 4.772
Polar
3z2-r29.543
x2-y23.823
xy-0.455
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 154.976
(<r2>)1/2 12.449