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

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-270.213816
Energy at 298.15K-270.226730
HF Energy-270.213816
Nuclear repulsion energy258.148678
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 wB97X-D/3-21G*
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' 3161 2996 43.27      
2 A' 3154 2989 23.82      
3 A' 3138 2974 28.10      
4 A' 3098 2936 7.74      
5 A' 3071 2911 21.06      
6 A' 3024 2867 86.01      
7 A' 1566 1484 10.49      
8 A' 1548 1468 8.21      
9 A' 1545 1465 12.62      
10 A' 1450 1374 0.03      
11 A' 1414 1340 5.09      
12 A' 1340 1270 0.60      
13 A' 1330 1261 4.84      
14 A' 1195 1133 1.80      
15 A' 1074 1018 6.44      
16 A' 1034 980 6.54      
17 A' 894 847 10.09      
18 A' 875 830 15.07      
19 A' 825 782 2.71      
20 A' 564 535 4.36      
21 A' 442 419 2.25      
22 A' 399 378 6.43      
23 A' 252 239 5.32      
24 A" 3157 2992 21.79      
25 A" 3149 2984 33.68      
26 A" 3098 2937 22.34      
27 A" 3020 2862 15.41      
28 A" 1551 1470 0.63      
29 A" 1532 1452 6.24      
30 A" 1413 1340 0.37      
31 A" 1410 1336 0.05      
32 A" 1403 1330 10.54      
33 A" 1341 1271 4.53      
34 A" 1251 1186 17.68      
35 A" 1217 1154 6.23      
36 A" 1110 1052 52.06      
37 A" 1093 1036 24.35      
38 A" 1021 968 5.08      
39 A" 888 842 0.30      
40 A" 839 795 0.06      
41 A" 465 441 0.11      
42 A" 235 223 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 32793.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 31081.8 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 wB97X-D/3-21G*
ABC
0.15345 0.14810 0.08570

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.681 -1.273 0.000
C2 0.648 1.316 0.000
H3 1.713 1.045 0.000
H4 0.587 2.410 0.000
C5 -0.022 0.737 1.261
C6 -0.022 0.737 -1.261
C7 -0.022 -0.796 -1.197
C8 -0.022 -0.796 1.197
H9 0.497 1.067 2.168
H10 0.497 1.067 -2.168
H11 -1.060 1.084 1.315
H12 -1.060 1.084 -1.315
H13 1.022 -1.152 -1.231
H14 1.022 -1.152 1.231
H15 -0.562 -1.229 -2.043
H16 -0.562 -1.229 2.043

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.91043.33193.89492.46262.46261.44751.44753.40043.40042.72592.72592.10522.10522.04672.0467
C22.91041.09891.09521.54111.54112.51842.51842.18712.18712.16812.16812.78302.78303.48043.4804
H33.33191.09891.76962.16672.16672.79812.79812.48562.48563.06913.06912.61062.61063.80983.8098
H43.89491.09521.76962.18162.18163.47543.47542.55132.55132.48952.48953.79313.79314.32784.3278
C52.46261.54112.16672.18162.52212.89681.53381.09563.48341.09592.79903.29662.15813.88202.1831
C62.46261.54112.16672.18162.52211.53382.89683.48341.09562.79901.09592.15813.29662.18313.8820
C71.44752.51842.79813.47542.89681.53382.39443.88092.16363.30502.15081.10392.66731.09273.3130
C81.44752.51842.79813.47541.53382.89682.39442.16363.88092.15083.30502.66731.10393.31301.0927
H93.40042.18712.48562.55131.09563.48343.88092.16364.33531.77513.81484.09272.46494.91122.5313
H103.40042.18712.48562.55133.48341.09562.16363.88094.33533.81481.77512.46494.09272.53134.9112
H112.72592.16813.06912.48951.09592.79903.30502.15081.77513.81482.63003.97723.05664.10772.4755
H122.72592.16813.06912.48952.79901.09592.15083.30503.81481.77512.63003.05663.97722.47554.1077
H132.10522.78302.61063.79313.29662.15811.10392.66734.09272.46493.97723.05662.46231.78183.6379
H142.10522.78302.61063.79312.15813.29662.66731.10392.46494.09273.05663.97722.46233.63791.7818
H152.04673.48043.80984.32783.88202.18311.09273.31304.91122.53134.10772.47551.78183.63794.0855
H162.04673.48043.80984.32782.18313.88203.31301.09272.53134.91122.47554.10773.63791.78184.0855

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 111.343 O1 C7 H13 110.475
O1 C7 H15 106.526 O1 C8 C5 111.343
O1 C8 H14 110.475 O1 C8 H16 106.526
C2 C5 C8 109.972 C2 C5 H9 110.969
C2 C5 H11 109.447 C2 C6 C7 109.972
C2 C6 H10 110.969 C2 C6 H12 109.447
H3 C2 H4 107.519 H3 C2 C5 109.173
H3 C2 C6 109.173 H4 C2 C5 110.550
H4 C2 C6 110.550 C5 C2 C6 109.825
C5 C8 H14 108.708 C5 C8 H16 111.329
C6 C7 H13 108.708 C6 C7 H15 111.329
C7 O1 C8 111.595 C7 C6 H10 109.615
C7 C6 H12 108.595 C8 C5 H9 109.615
C8 C5 H11 108.595 H9 C5 H11 108.190
H10 C6 H12 108.190 H13 C7 H15 108.416
H14 C8 H16 108.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.496      
2 C -0.418      
3 H 0.203      
4 H 0.216      
5 C -0.441      
6 C -0.441      
7 C -0.155      
8 C -0.155      
9 H 0.208      
10 H 0.208      
11 H 0.222      
12 H 0.222      
13 H 0.187      
14 H 0.187      
15 H 0.227      
16 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.176 1.174 0.000 1.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.887 -1.958 0.000
y -1.958 -40.269 0.000
z 0.000 0.000 -34.574
Traceless
 xyz
x -1.465 -1.958 0.000
y -1.958 -3.539 0.000
z 0.000 0.000 5.004
Polar
3z2-r210.009
x2-y21.383
xy-1.958
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.925 0.067 0.000
y 0.067 7.264 0.000
z 0.000 0.000 8.345


<r2> (average value of r2) Å2
<r2> 153.631
(<r2>)1/2 12.395