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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-271.454083
Energy at 298.15K 
HF Energy-271.173506
Nuclear repulsion energy259.938314
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 B2PLYP=FULLultrafine/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' 3142 2980 42.69      
2 A' 3126 2965 64.04      
3 A' 3112 2953 35.66      
4 A' 3075 2917 11.27      
5 A' 3059 2902 26.79      
6 A' 3009 2854 98.31      
7 A' 1558 1478 3.17      
8 A' 1542 1463 3.87      
9 A' 1532 1454 5.79      
10 A' 1457 1382 10.36      
11 A' 1417 1345 0.25      
12 A' 1353 1283 3.18      
13 A' 1314 1246 5.89      
14 A' 1207 1145 3.37      
15 A' 1072 1017 6.41      
16 A' 1039 986 10.52      
17 A' 903 856 19.26      
18 A' 883 838 5.26      
19 A' 841 798 2.77      
20 A' 573 543 3.80      
21 A' 441 418 1.56      
22 A' 410 389 4.98      
23 A' 254 241 3.76      
24 A" 3139 2978 47.20      
25 A" 3119 2959 32.20      
26 A" 3074 2917 35.20      
27 A" 3003 2848 19.17      
28 A" 1543 1463 0.09      
29 A" 1523 1445 1.62      
30 A" 1426 1353 12.90      
31 A" 1416 1343 0.69      
32 A" 1386 1314 0.19      
33 A" 1329 1261 8.16      
34 A" 1253 1188 35.64      
35 A" 1217 1155 0.12      
36 A" 1143 1084 74.98      
37 A" 1084 1029 14.05      
38 A" 1006 955 3.53      
39 A" 903 857 1.11      
40 A" 839 796 0.74      
41 A" 467 443 0.01      
42 A" 245 233 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 32714.9 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 31036.7 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.15581 0.15013 0.08671

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.661 -1.261 0.000
C2 0.626 1.324 0.000
H3 1.699 1.088 0.000
H4 0.541 2.415 0.000
C5 -0.021 0.730 1.257
C6 -0.021 0.730 -1.257
C7 -0.021 -0.797 -1.176
C8 -0.021 -0.797 1.176
H9 0.506 1.056 2.161
H10 0.506 1.056 -2.161
H11 -1.058 1.075 1.338
H12 -1.058 1.075 -1.338
H13 1.017 -1.169 -1.216
H14 1.017 -1.169 1.216
H15 -0.568 -1.239 -2.013
H16 -0.568 -1.239 2.013

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88733.32983.86762.43972.43971.41671.41673.37663.37662.72082.72082.07432.07432.01522.0152
C22.88731.09791.09481.53391.53392.50982.50982.18132.18132.16542.16542.80122.80123.47023.4702
H33.32981.09791.76062.16042.16042.80992.80992.46922.46923.06433.06432.65342.65343.82143.8214
H43.86761.09481.76062.17672.17673.46663.46662.55342.55342.47882.47883.81503.81504.31654.3165
C52.43971.53392.16042.17672.51472.87251.52891.09613.47451.09592.81593.28642.16493.85582.1780
C62.43971.53392.16042.17672.51471.52892.87253.47451.09612.81591.09592.16493.28642.17803.8558
C71.41672.50982.80993.46662.87251.52892.35163.85352.16413.30122.14611.10372.63361.09293.2652
C81.41672.50982.80993.46661.52892.87252.35162.16413.85352.14613.30122.63361.10373.26521.0929
H93.37662.18132.46922.55341.09613.47453.85352.16414.32291.76743.83284.07682.47194.88302.5377
H103.37662.18132.46922.55343.47451.09612.16413.85354.32293.83281.76742.47194.07682.53774.8830
H112.72082.16543.06432.47881.09592.81593.30122.14611.76743.83282.67573.98303.05924.10132.4594
H122.72082.16543.06432.47882.81591.09592.14613.30123.83281.76742.67573.05923.98302.45944.1013
H132.07432.80122.65343.81503.28642.16491.10372.63364.07682.47193.98303.05922.43131.77533.5972
H142.07432.80122.65343.81502.16493.28642.63361.10372.47194.07683.05923.98302.43133.59721.7753
H152.01523.47023.82144.31653.85582.17801.09293.26524.88302.53774.10132.45941.77533.59724.0259
H162.01523.47023.82144.31652.17803.85583.26521.09292.53774.88302.45944.10133.59721.77534.0259

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 111.780 O1 C7 H13 110.151
O1 C7 H15 106.116 O1 C8 C5 111.780
O1 C8 H14 110.151 O1 C8 H16 106.116
C2 C5 C8 110.058 C2 C5 H9 110.975
C2 C5 H11 109.732 C2 C6 C7 110.058
C2 C6 H10 110.975 C2 C6 H12 109.732
H3 C2 H4 106.821 H3 C2 C5 109.227
H3 C2 C6 109.227 H4 C2 C5 110.691
H4 C2 C6 110.691 C5 C2 C6 110.109
C5 C8 H14 109.577 C5 C8 H16 111.260
C6 C7 H13 109.577 C6 C7 H15 111.260
C7 O1 C8 112.184 C7 C6 H10 109.966
C7 C6 H12 108.574 C8 C5 H9 109.966
C8 C5 H11 108.574 H9 C5 H11 107.467
H10 C6 H12 107.467 H13 C7 H15 107.840
H14 C8 H16 107.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability