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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-270.071226
Energy at 298.15K-270.084470
Nuclear repulsion energy261.569346
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/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' 3260 2948 55.48      
2 A' 3223 2915 141.72      
3 A' 3211 2904 73.12      
4 A' 3177 2873 12.32      
5 A' 3161 2859 41.37      
6 A' 3140 2840 114.20      
7 A' 1657 1499 2.30      
8 A' 1634 1478 4.94      
9 A' 1619 1464 4.98      
10 A' 1568 1418 14.91      
11 A' 1517 1372 0.60      
12 A' 1455 1315 6.94      
13 A' 1398 1264 6.19      
14 A' 1292 1168 4.39      
15 A' 1142 1033 9.96      
16 A' 1099 994 16.62      
17 A' 964 871 24.35      
18 A' 937 847 4.77      
19 A' 879 795 1.65      
20 A' 612 554 4.97      
21 A' 465 421 1.98      
22 A' 424 384 5.93      
23 A' 264 239 5.25      
24 A" 3256 2945 87.63      
25 A" 3213 2905 57.66      
26 A" 3176 2873 47.29      
27 A" 3129 2830 17.30      
28 A" 1641 1485 0.16      
29 A" 1611 1457 2.01      
30 A" 1531 1384 14.13      
31 A" 1516 1371 0.40      
32 A" 1480 1339 0.01      
33 A" 1419 1283 16.38      
34 A" 1355 1226 66.74      
35 A" 1301 1177 0.20      
36 A" 1244 1125 92.89      
37 A" 1134 1025 6.02      
38 A" 1066 964 3.41      
39 A" 944 854 1.38      
40 A" 891 806 1.26      
41 A" 498 451 0.00      
42 A" 252 228 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 34376.5 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 31090.1 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 HF/6-311G*
ABC
0.15723 0.15216 0.08743

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.403 0.000
C2 0.057 -1.460 0.000
H3 -0.992 -1.754 0.000
H4 0.636 -2.378 0.000
C5 0.351 -0.633 1.254
C6 0.351 -0.633 -1.254
C7 -0.345 0.719 -1.171
C8 -0.345 0.719 1.171
H9 0.031 -1.159 2.150
H10 0.031 -1.159 -2.150
H11 1.423 -0.470 1.343
H12 1.423 -0.470 -1.343
H13 -1.427 0.587 -1.214
H14 -1.427 0.587 1.214
H15 -0.059 1.360 -1.995
H16 -0.059 1.360 1.995

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.86343.30943.83402.41722.41721.39951.39953.34433.34432.70862.70862.04392.04391.99631.9963
C22.86341.08901.08561.53051.53052.50642.50642.17102.17102.15592.15592.80512.80513.45603.4560
H33.30941.08901.74322.15252.15252.81242.81242.45422.45423.04653.04652.67362.67363.81423.8142
H43.83401.08561.74322.16712.16713.45353.45352.54452.54452.46172.46173.81133.81134.29344.2934
C52.41721.53052.15252.16712.50792.86311.52361.08673.45891.08712.81373.27842.15793.83372.1658
C62.41721.53052.15252.16712.50791.52362.86313.45891.08672.81371.08712.15793.27842.16583.8337
C71.39952.50642.81243.45352.86311.52362.34293.83392.15053.29552.13741.09162.62341.08183.2432
C81.39952.50642.81243.45351.52362.86312.34292.15053.83392.13743.29552.62341.09163.24321.0818
H93.34432.17102.45422.54451.08673.45893.83392.15054.29971.74973.82214.06132.45984.85072.5248
H103.34432.17102.45422.54453.45891.08672.15053.83394.29973.82211.74972.45984.06132.52484.8507
H112.70862.15593.04652.46171.08712.81373.29552.13741.74973.82212.68553.97263.04284.08472.4433
H122.70862.15593.04652.46172.81371.08712.13743.29553.82211.74972.68553.04283.97262.44334.0847
H132.04392.80512.67363.81133.27842.15791.09162.62344.06132.45983.97263.04282.42891.75473.5735
H142.04392.80512.67363.81132.15793.27842.62341.09162.45984.06133.04283.97262.42893.57351.7547
H151.99633.45603.81424.29343.83372.16581.08183.24324.85072.52484.08472.44331.75473.57353.9899
H161.99633.45603.81424.29342.16583.83373.24321.08182.52484.85072.44334.08473.57351.75473.9899

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 111.502 O1 C7 H13 109.653
O1 C7 H15 106.429 O1 C8 C5 111.502
O1 C8 H14 109.653 O1 C8 H16 106.429
C2 C5 C8 110.303 C2 C5 H9 110.959
C2 C5 H11 109.739 C2 C6 C7 110.303
C2 C6 H10 110.959 C2 C6 H12 109.739
H3 C2 H4 106.572 H3 C2 C5 109.361
H3 C2 C6 109.361 H4 C2 C5 110.719
H4 C2 C6 110.719 C5 C2 C6 110.035
C5 C8 H14 110.111 C5 C8 H16 111.327
C6 C7 H13 110.111 C6 C7 H15 111.327
C7 O1 C8 113.661 C7 C6 H10 109.813
C7 C6 H12 108.756 C8 C5 H9 109.813
C8 C5 H11 108.756 H9 C5 H11 107.194
H10 C6 H12 107.194 H13 C7 H15 107.682
H14 C8 H16 107.682
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.455 -0.511   -0.474
2 C -0.438 0.107   0.089
3 H 0.201 -0.016   -0.001
4 H 0.215 -0.026   -0.021
5 C -0.418 -0.061   -0.076
6 C -0.418 -0.061   -0.076
7 C -0.154 0.263   0.186
8 C -0.154 0.263   0.186
9 H 0.208 -0.012   -0.000
10 H 0.208 -0.012   -0.000
11 H 0.210 0.031   0.045
12 H 0.210 0.031   0.045
13 H 0.182 -0.012   0.012
14 H 0.182 -0.012   0.012
15 H 0.210 0.014   0.037
16 H 0.210 0.014   0.037


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.453 -1.491 0.000 1.559
CHELPG        
AIM        
ESP -0.478 -1.475 0.000 1.551


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.206 -0.427 0.000
y -0.427 -42.158 0.000
z 0.000 0.000 -35.711
Traceless
 xyz
x 0.729 -0.427 0.000
y -0.427 -5.200 0.000
z 0.000 0.000 4.471
Polar
3z2-r28.942
x2-y23.953
xy-0.427
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.444 -0.163 0.000
y -0.163 7.734 0.000
z 0.000 0.000 8.634


<r2> (average value of r2) Å2
<r2> 151.514
(<r2>)1/2 12.309