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All results from a given calculation for C5H8O (2H-Pyran, 3,4-dihydro-)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-270.467058
Energy at 298.15K-270.476853
HF Energy-270.467058
Nuclear repulsion energy240.635378
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 B97D3/6-311+G(3df,2p)
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 3141 3100 26.82      
2 A 3119 3079 2.95      
3 A 3046 3006 38.20      
4 A 3026 2986 44.27      
5 A 2988 2949 49.68      
6 A 2975 2936 12.79      
7 A 2946 2907 55.43      
8 A 2938 2899 34.34      
9 A 1653 1631 82.56      
10 A 1473 1454 3.09      
11 A 1458 1439 4.08      
12 A 1448 1430 1.83      
13 A 1396 1378 3.20      
14 A 1364 1346 2.25      
15 A 1333 1316 1.80      
16 A 1321 1304 4.43      
17 A 1273 1256 3.03      
18 A 1239 1223 57.36      
19 A 1219 1203 23.49      
20 A 1182 1167 2.91      
21 A 1079 1065 3.99      
22 A 1061 1047 81.83      
23 A 1032 1018 19.56      
24 A 1016 1003 3.34      
25 A 920 908 8.45      
26 A 909 898 1.01      
27 A 879 867 19.24      
28 A 865 854 5.64      
29 A 822 811 7.58      
30 A 744 735 4.21      
31 A 717 707 30.22      
32 A 502 496 4.21      
33 A 487 480 1.82      
34 A 437 432 12.64      
35 A 273 269 0.50      
36 A 173 170 2.34      

Unscaled Zero Point Vibrational Energy (zpe) 26226.2 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 25885.3 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 B97D3/6-311+G(3df,2p)
ABC
0.17252 0.15794 0.08984

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.691 1.815 -0.203
C2 0.913 1.067 -0.083
H3 -0.667 2.416 0.087
C4 -0.385 1.368 0.062
H5 -2.299 0.580 -0.507
H6 -1.852 0.217 1.149
C7 -1.449 0.305 0.130
H8 -0.765 -1.053 -1.418
H9 -1.505 -1.878 -0.040
C10 -0.861 -1.039 -0.326
H11 0.989 -2.166 -0.023
H12 0.454 -1.216 1.388
C13 0.521 -1.230 0.290
O14 1.440 -0.193 -0.109

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08622.45062.14024.18824.11543.50013.96704.88663.83044.04623.63983.29872.0255
C21.08622.08441.34033.27653.14422.49083.01563.81042.76393.23402.75392.35921.3653
H32.45062.08441.08552.52742.71402.25163.78274.37633.48474.87284.01683.83933.3585
C42.14021.34031.08552.14672.15851.50542.86263.43482.48373.79223.02282.76022.4069
H54.18823.27652.52742.14671.75371.09742.41852.62472.17334.31113.79413.44443.8384
H64.11543.14422.71402.15851.75371.10013.06352.43392.17643.88922.72532.90913.5479
C73.50012.49082.25161.50541.09741.10012.16922.18971.53583.47422.74142.50202.9406
H83.96703.01563.78272.86262.41853.06352.16921.76771.09632.50213.06362.14552.7046
H94.88663.81044.37633.43482.62472.43392.18971.76771.09562.51082.51302.15283.3935
C103.83042.76393.48472.48372.17332.17641.53581.09631.09562.18692.16711.52472.4606
H114.04623.23404.87283.79224.31113.88923.47422.50212.51082.18691.78351.09262.0258
H123.63982.75394.01683.02283.79412.72532.74143.06362.51302.16711.78351.10002.0641
C133.29872.35923.83932.76023.44442.90912.50202.14552.15281.52471.09261.10001.4417
O142.02551.36533.35852.40693.83843.54792.94062.70463.39352.46062.02582.06411.4417

picture of 2H-Pyran, 3,4-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 123.524 H1 C2 O14 110.996
C2 C4 H3 117.969 C2 C4 C7 122.089
C2 O14 C13 114.331 H3 C4 C7 119.892
C4 C2 O14 125.478 C4 C7 H5 110.120
C4 C7 H6 110.805 C4 C7 C10 109.572
H5 C7 H6 105.868 H5 C7 C10 110.247
H6 C7 C10 110.179 C7 C10 H8 109.798
C7 C10 H9 111.671 C7 C10 C13 109.625
H8 C10 H9 107.481 H8 C10 C13 108.571
H9 C10 C13 109.623 C10 C13 H11 112.415
C10 C13 H12 110.091 C10 C13 O14 111.929
H11 C13 H12 108.738 H11 C13 O14 105.669
H12 C13 O14 107.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.114      
2 C 0.153      
3 H 0.098      
4 C -0.135      
5 H 0.109      
6 H 0.139      
7 C -0.149      
8 H 0.133      
9 H 0.108      
10 C -0.193      
11 H 0.103      
12 H 0.118      
13 C 0.065      
14 O -0.664      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.201 -0.663 0.251 1.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.285 0.786 0.164
y 0.786 -34.367 -0.540
z 0.164 -0.540 -38.158
Traceless
 xyz
x -2.022 0.786 0.164
y 0.786 3.854 -0.540
z 0.164 -0.540 -1.832
Polar
3z2-r2-3.663
x2-y2-3.918
xy0.786
xz0.164
yz-0.540


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.557 -0.201 -0.109
y -0.201 10.302 -0.050
z -0.109 -0.050 7.828


<r2> (average value of r2) Å2
<r2> 142.003
(<r2>)1/2 11.917