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

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-271.063715
Energy at 298.15K-271.076703
HF Energy-270.069678
Nuclear repulsion energy260.703516
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/6-311G*
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' 3153 2986 42.00      
2 A' 3141 2975 49.98      
3 A' 3126 2961 24.82      
4 A' 3079 2916 12.07      
5 A' 3068 2906 27.67      
6 A' 3018 2858 99.27      
7 A' 1550 1468 5.44      
8 A' 1532 1451 7.58      
9 A' 1522 1442 9.74      
10 A' 1447 1370 5.39      
11 A' 1405 1331 3.04      
12 A' 1355 1283 4.70      
13 A' 1314 1244 5.30      
14 A' 1203 1139 2.93      
15 A' 1076 1019 9.83      
16 A' 1042 987 8.62      
17 A' 916 867 21.26      
18 A' 879 833 6.61      
19 A' 849 804 2.76      
20 A' 574 543 3.66      
21 A' 440 416 0.80      
22 A' 420 398 5.97      
23 A' 262 248 4.09      
24 A" 3152 2985 37.02      
25 A" 3135 2969 29.46      
26 A" 3079 2916 35.11      
27 A" 3014 2854 21.87      
28 A" 1534 1453 1.72      
29 A" 1510 1430 3.95      
30 A" 1416 1341 6.09      
31 A" 1408 1334 0.99      
32 A" 1375 1302 1.30      
33 A" 1329 1259 7.30      
34 A" 1256 1189 39.94      
35 A" 1217 1153 0.30      
36 A" 1162 1100 63.17      
37 A" 1089 1031 16.60      
38 A" 1002 949 4.00      
39 A" 912 864 0.45      
40 A" 832 788 0.32      
41 A" 457 433 0.01      
42 A" 248 235 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 32746.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 31014.5 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/6-311G*
ABC
0.15735 0.15054 0.08742

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.426 0.000
C2 0.073 -1.461 0.000
H3 -0.984 -1.757 0.000
H4 0.661 -2.384 0.000
C5 0.363 -0.630 1.250
C6 0.363 -0.630 -1.250
C7 -0.363 0.706 -1.167
C8 -0.363 0.706 1.167
H9 0.060 -1.163 2.158
H10 0.060 -1.163 -2.158
H11 1.439 -0.437 1.325
H12 1.439 -0.437 -1.325
H13 -1.453 0.541 -1.176
H14 -1.453 0.541 1.176
H15 -0.109 1.352 -2.009
H16 -0.109 1.352 2.009

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88813.33223.86722.43392.43391.41841.41843.37133.37132.70172.70172.06802.06802.01382.0138
C22.88811.09771.09461.52841.52842.49872.49872.17852.17852.16132.16132.77842.77843.46173.4617
H33.33221.09771.76042.15572.15572.79502.79502.46962.46963.06123.06122.62412.62413.80403.8040
H43.86721.09461.76042.17382.17383.45733.45732.55132.55132.48042.48043.79593.79594.31154.3115
C52.43391.52842.15572.17382.49952.85481.52271.09593.46251.09562.79753.24892.16283.84402.1751
C62.43391.52842.15572.17382.49951.52272.85483.46251.09592.79751.09562.16283.24892.17513.8440
C71.41842.49872.79503.45732.85481.52272.33313.83702.15713.28042.13921.10272.58891.09213.2510
C81.41842.49872.79503.45731.52272.85482.33312.15713.83702.13923.28042.58891.10273.25101.0921
H93.37132.17852.46962.55131.09593.46253.83702.15714.31601.76743.81634.03822.48154.87062.5253
H103.37132.17852.46962.55133.46251.09592.15713.83704.31603.81631.76742.48154.03822.52534.8706
H112.70172.16133.06122.48041.09562.79753.28042.13921.76743.81632.65073.94673.05674.08892.4630
H122.70172.16133.06122.48042.79751.09562.13923.28043.81631.76742.65073.05673.94672.46304.0889
H132.06802.77842.62413.79593.24892.16281.10272.58894.03822.48153.94673.05672.35151.77693.5507
H142.06802.77842.62413.79592.16283.24892.58891.10272.48154.03823.05673.94672.35153.55071.7769
H152.01383.46173.80404.31153.84402.17511.09213.25104.87062.52534.08892.46301.77693.55074.0188
H162.01383.46173.80404.31152.17513.84403.25101.09212.52534.87062.46304.08893.55071.77694.0188

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 111.651 O1 C7 H13 109.589
O1 C7 H15 105.938 O1 C8 C5 111.651
O1 C8 H14 109.589 O1 C8 H16 105.938
C2 C5 C8 109.963 C2 C5 H9 111.153
C2 C5 H11 109.813 C2 C6 C7 109.963
C2 C6 H10 111.153 C2 C6 H12 109.813
H3 C2 H4 106.839 H3 C2 C5 109.251
H3 C2 C6 109.251 H4 C2 C5 110.861
H4 C2 C6 110.861 C5 C2 C6 109.714
C5 C8 H14 109.900 C5 C8 H16 111.518
C6 C7 H13 109.900 C6 C7 H15 111.518
C7 O1 C8 110.656 C7 C6 H10 109.855
C7 C6 H12 108.480 C8 C5 H9 109.855
C8 C5 H11 108.480 H9 C5 H11 107.508
H10 C6 H12 107.508 H13 C7 H15 108.113
H14 C8 H16 108.113
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability