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

using model chemistry: MP2=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2=FULL/6-31G*
 hartrees
Energy at 0K-270.871329
Energy at 298.15K-270.884336
HF Energy-270.016090
Nuclear repulsion energy260.476365
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 MP2=FULL/6-31G*
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' 3170 2987 45.20      
2 A' 3161 2978 38.00      
3 A' 3146 2965 22.94      
4 A' 3101 2921 9.42      
5 A' 3088 2910 23.43      
6 A' 3038 2863 84.70      
7 A' 1571 1481 4.45      
8 A' 1555 1465 4.64      
9 A' 1546 1456 7.14      
10 A' 1463 1378 8.11      
11 A' 1427 1344 1.03      
12 A' 1359 1281 2.90      
13 A' 1324 1247 5.37      
14 A' 1219 1149 3.23      
15 A' 1083 1021 7.13      
16 A' 1054 993 9.07      
17 A' 917 864 18.20      
18 A' 893 841 6.34      
19 A' 856 806 3.50      
20 A' 578 544 4.01      
21 A' 442 417 1.23      
22 A' 421 397 5.79      
23 A' 262 247 4.19      
24 A" 3168 2985 31.32      
25 A" 3156 2973 28.02      
26 A" 3101 2921 31.09      
27 A" 3035 2859 18.13      
28 A" 1556 1466 0.29      
29 A" 1535 1446 2.52      
30 A" 1433 1351 8.78      
31 A" 1428 1345 1.73      
32 A" 1392 1311 1.05      
33 A" 1337 1260 6.85      
34 A" 1265 1192 34.52      
35 A" 1225 1154 1.10      
36 A" 1167 1100 63.03      
37 A" 1101 1037 17.98      
38 A" 1016 957 3.87      
39 A" 922 869 1.06      
40 A" 847 798 0.45      
41 A" 467 440 0.01      
42 A" 252 238 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 33037.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 31128.3 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 MP2=FULL/6-31G*
ABC
0.15659 0.15084 0.08734

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.426 0.000
C2 0.070 -1.457 0.000
H3 -0.990 -1.745 0.000
H4 0.651 -2.385 0.000
C5 0.365 -0.630 1.250
C6 0.365 -0.630 -1.250
C7 -0.363 0.703 -1.173
C8 -0.363 0.703 1.173
H9 0.068 -1.167 2.159
H10 0.068 -1.167 -2.159
H11 1.441 -0.434 1.320
H12 1.441 -0.434 -1.320
H13 -1.454 0.539 -1.187
H14 -1.454 0.539 1.187
H15 -0.106 1.353 -2.014
H16 -0.106 1.353 2.014

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88353.32203.86632.43352.43351.42501.42503.37443.37442.69782.69782.07562.07562.01842.0184
C22.88351.09831.09541.52731.52732.49622.49622.17812.17812.16032.16032.77702.77703.46183.4618
H33.32201.09831.76132.15442.15442.78682.78682.47242.47243.06103.06102.61542.61543.79973.7997
H43.86631.09541.76132.17362.17363.45623.45622.54652.54652.48432.48433.79323.79324.31364.3136
C52.43351.52732.15442.17362.49962.86021.52131.09673.46331.09602.79243.25742.16303.84842.1771
C62.43351.52732.15442.17362.49961.52132.86023.46331.09672.79241.09602.16303.25742.17713.8484
C71.42502.49622.78683.45622.86021.52132.34703.84542.15743.28102.13801.10312.60511.09313.2634
C81.42502.49622.78683.45621.52132.86022.34702.15743.84542.13803.28102.60511.10313.26341.0931
H93.37442.17812.47242.54651.09673.46333.84542.15744.31741.76853.81074.05152.48374.87802.5302
H103.37442.17812.47242.54653.46331.09672.15743.84544.31743.81071.76852.48374.05152.53024.8780
H112.69782.16033.06102.48431.09602.79243.28102.13801.76853.81072.63903.95073.05704.08712.4643
H122.69782.16033.06102.48432.79241.09602.13803.28103.81071.76852.63903.05703.95072.46434.0871
H132.07562.77702.61543.79323.25742.16301.10312.60514.05152.48373.95073.05702.37311.77863.5670
H142.07562.77702.61543.79322.16303.25742.60511.10312.48374.05153.05703.95072.37313.56701.7786
H152.01843.46183.79974.31363.84842.17711.09313.26344.87802.53024.08712.46431.77863.56704.0286
H162.01843.46183.79974.31362.17713.84843.26341.09312.53024.87802.46434.08713.56701.77864.0286

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 111.328 O1 C7 H13 109.714
O1 C7 H15 105.802 O1 C8 C5 111.328
O1 C8 H14 109.714 O1 C8 H16 105.802
C2 C5 C8 109.932 C2 C5 H9 111.147
C2 C5 H11 109.786 C2 C6 C7 109.932
C2 C6 H10 111.147 C2 C6 H12 109.786
H3 C2 H4 106.816 H3 C2 C5 109.189
H3 C2 C6 109.189 H4 C2 C5 110.871
H4 C2 C6 110.871 C5 C2 C6 109.833
C5 C8 H14 109.991 C5 C8 H16 111.718
C6 C7 H13 109.991 C6 C7 H15 111.718
C7 O1 C8 110.868 C7 C6 H10 109.926
C7 C6 H12 108.456 C8 C5 H9 109.926
C8 C5 H11 108.456 H9 C5 H11 107.524
H10 C6 H12 107.524 H13 C7 H15 108.159
H14 C8 H16 108.159
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability