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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-271.776718
Energy at 298.15K-271.789627
Nuclear repulsion energy260.899712
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 mPW1PW91/6-311G**
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' 3117 2982 36.69      
2 A' 3103 2968 62.48      
3 A' 3091 2958 38.09      
4 A' 3050 2918 18.54      
5 A' 3035 2903 25.91      
6 A' 2975 2846 108.87      
7 A' 1506 1441 4.03      
8 A' 1492 1428 8.58      
9 A' 1482 1418 8.46      
10 A' 1424 1362 6.07      
11 A' 1385 1325 2.16      
12 A' 1337 1279 5.35      
13 A' 1292 1236 5.18      
14 A' 1181 1130 3.18      
15 A' 1064 1018 10.69      
16 A' 1031 986 9.95      
17 A' 907 868 22.76      
18 A' 865 827 5.50      
19 A' 841 804 2.06      
20 A' 561 537 4.01      
21 A' 436 417 1.67      
22 A' 399 381 4.10      
23 A' 251 240 3.89      
24 A" 3114 2979 48.24      
25 A" 3097 2963 37.83      
26 A" 3050 2918 29.46      
27 A" 2968 2840 21.58      
28 A" 1492 1428 1.69      
29 A" 1472 1408 3.22      
30 A" 1397 1336 5.10      
31 A" 1385 1325 1.01      
32 A" 1355 1296 0.16      
33 A" 1309 1253 8.29      
34 A" 1241 1187 48.54      
35 A" 1198 1146 0.02      
36 A" 1145 1095 69.93      
37 A" 1076 1030 11.83      
38 A" 986 943 3.21      
39 A" 900 861 0.32      
40 A" 820 785 0.44      
41 A" 462 442 0.01      
42 A" 236 226 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 32263.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 30866.1 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 mPW1PW91/6-311G**
ABC
0.15712 0.15116 0.08735

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.663 -1.255 0.000
C2 0.624 1.320 0.000
H3 1.695 1.084 0.000
H4 0.543 2.410 0.000
C5 -0.020 0.726 1.251
C6 -0.020 0.726 -1.251
C7 -0.020 -0.793 -1.170
C8 -0.020 -0.793 1.170
H9 0.505 1.049 2.155
H10 0.505 1.049 -2.155
H11 -1.056 1.073 1.335
H12 -1.056 1.073 -1.335
H13 1.016 -1.168 -1.195
H14 1.016 -1.168 1.195
H15 -0.558 -1.238 -2.008
H16 -0.558 -1.238 2.008

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.87873.32133.85852.43042.43041.41251.41253.36463.36462.71242.71242.06332.06332.01092.0109
C22.87871.09711.09311.52731.52732.49942.49942.17522.17522.15972.15972.78782.78783.45993.4599
H33.32131.09711.75702.15312.15312.79862.79862.46182.46183.05783.05782.63802.63803.80783.8078
H43.85851.09311.75702.17182.17183.45603.45602.54902.54902.47502.47503.80193.80194.30714.3071
C52.43041.52732.15312.17182.50272.85841.52171.09423.46181.09512.80763.26352.16023.84352.1727
C62.43041.52732.15312.17182.50271.52172.85843.46181.09422.80761.09512.16023.26352.17273.8435
C71.41252.49942.79863.45602.85841.52172.33933.83722.15433.29062.14031.10262.60941.09103.2535
C81.41252.49942.79863.45601.52172.85842.33932.15433.83722.14033.29062.60941.10263.25351.0910
H93.36462.17522.46182.54901.09423.46183.83722.15434.31011.76363.82374.04992.46924.86762.5266
H103.36462.17522.46182.54903.46181.09422.15433.83724.31013.82371.76362.46924.04992.52664.8676
H112.71242.15973.05782.47501.09512.80763.29062.14031.76363.82372.67053.96473.05514.09442.4575
H122.71242.15973.05782.47502.80761.09512.14033.29063.82371.76362.67053.05513.96472.45754.0944
H132.06332.78782.63803.80193.26352.16021.10262.60944.04992.46923.96473.05512.39081.77343.5703
H142.06332.78782.63803.80192.16023.26352.60941.10262.46924.04993.05513.96472.39083.57031.7734
H152.01093.45993.80784.30713.84352.17271.09103.25354.86762.52664.09442.45751.77343.57034.0162
H162.01093.45993.80784.30712.17273.84353.25351.09102.52664.86762.45754.09443.57031.77344.0162

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 111.793 O1 C7 H13 109.630
O1 C7 H15 106.174 O1 C8 C5 111.793
O1 C8 H14 109.630 O1 C8 H16 106.174
C2 C5 C8 110.117 C2 C5 H9 111.071
C2 C5 H11 109.791 C2 C6 C7 110.117
C2 C6 H10 111.071 C2 C6 H12 109.791
H3 C2 H4 106.683 H3 C2 C5 109.153
H3 C2 C6 109.153 H4 C2 C5 110.866
H4 C2 C6 110.866 C5 C2 C6 110.037
C5 C8 H14 109.770 C5 C8 H16 111.461
C6 C7 H13 109.770 C6 C7 H15 111.461
C7 O1 C8 111.810 C7 C6 H10 109.801
C7 C6 H12 108.656 C8 C5 H9 109.801
C8 C5 H11 108.656 H9 C5 H11 107.335
H10 C6 H12 107.335 H13 C7 H15 107.881
H14 C8 H16 107.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.365      
2 C -0.278      
3 H 0.125      
4 H 0.133      
5 C -0.256      
6 C -0.256      
7 C -0.036      
8 C -0.036      
9 H 0.125      
10 H 0.125      
11 H 0.131      
12 H 0.131      
13 H 0.104      
14 H 0.104      
15 H 0.124      
16 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.979 1.047 0.000 1.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.989 -1.618 0.000
y -1.618 -40.263 0.000
z 0.000 0.000 -35.355
Traceless
 xyz
x -1.180 -1.618 0.000
y -1.618 -3.090 0.000
z 0.000 0.000 4.271
Polar
3z2-r28.541
x2-y21.273
xy-1.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.873 0.049 0.000
y 0.049 8.490 0.000
z 0.000 0.000 9.384


<r2> (average value of r2) Å2
<r2> 151.521
(<r2>)1/2 12.309