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All results from a given calculation for C5H8O (2H-Pyran, 3,4-dihydro-)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-270.505214
Energy at 298.15K-270.515056
Nuclear repulsion energy237.749136
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 B3LYP/SDD
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 3250 3124 29.11      
2 A 3208 3084 5.48      
3 A 3155 3033 42.17      
4 A 3120 2999 60.66      
5 A 3080 2961 47.20      
6 A 3059 2940 24.96      
7 A 3049 2931 53.98      
8 A 3026 2909 46.08      
9 A 1694 1629 66.29      
10 A 1523 1464 4.94      
11 A 1512 1453 7.50      
12 A 1504 1446 6.01      
13 A 1422 1367 0.53      
14 A 1396 1342 2.14      
15 A 1378 1325 0.62      
16 A 1365 1312 7.35      
17 A 1292 1242 2.19      
18 A 1272 1223 52.42      
19 A 1249 1200 27.78      
20 A 1208 1161 3.83      
21 A 1113 1070 4.83      
22 A 1093 1051 44.55      
23 A 1076 1034 53.41      
24 A 1034 994 5.58      
25 A 964 927 0.30      
26 A 936 900 6.37      
27 A 900 865 8.45      
28 A 878 844 20.16      
29 A 817 786 11.60      
30 A 765 736 19.54      
31 A 740 712 32.44      
32 A 509 489 6.33      
33 A 490 471 3.03      
34 A 447 430 20.52      
35 A 270 260 1.03      
36 A 172 165 5.58      

Unscaled Zero Point Vibrational Energy (zpe) 26980.9 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 25936.7 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 B3LYP/SDD
ABC
0.16677 0.15536 0.08744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.763 1.784 -0.201
C2 0.956 1.068 -0.082
H3 -0.612 2.455 0.077
C4 -0.346 1.401 0.057
H5 -2.294 0.655 -0.493
H6 -1.835 0.282 1.165
C7 -1.445 0.354 0.137
H8 -0.818 -1.032 -1.423
H9 -1.589 -1.831 -0.042
C10 -0.906 -1.021 -0.328
H11 0.921 -2.219 -0.067
H12 0.420 -1.298 1.383
C13 0.480 -1.282 0.284
O14 1.451 -0.240 -0.101

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08532.48352.15944.22104.13153.52844.01064.93293.87394.09243.71603.35832.0505
C21.08532.09951.35173.30183.15662.51453.05903.85842.80933.28682.83352.42501.3986
H32.48352.09951.08692.52842.72032.26063.80204.39793.51174.92064.10533.89843.3984
C42.15941.35171.08692.15642.16721.51962.88673.46452.51543.83723.10352.81652.4389
H54.22103.30182.52842.15641.75961.09902.42732.62332.18214.33283.83393.47143.8698
H64.13153.15662.72032.16721.75961.10163.07562.44602.18893.92022.76282.92983.5598
C73.52842.51452.26061.51961.09901.10162.17952.19761.54863.50112.78582.53072.9655
H84.01063.05903.80202.88672.42733.07562.17951.77231.09802.50353.07822.15902.7423
H94.93293.85844.39793.46452.62332.44602.19761.77231.09822.53992.52062.16623.4317
C103.87392.80933.51172.51542.18212.18891.54861.09801.09822.20002.18281.53802.4929
H114.09243.28684.92063.83724.33283.92023.50112.50352.53992.20001.78901.09342.0485
H123.71602.83354.10533.10353.83392.76282.78583.07822.52062.18281.78901.10032.0931
C133.35832.42503.89842.81653.47142.92982.53072.15902.16621.53801.09341.10031.4745
O142.05051.39863.39842.43893.86983.55982.96552.74233.43172.49292.04852.09311.4745

picture of 2H-Pyran, 3,4-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 124.409 H1 C2 O14 110.656
C2 C4 H3 118.441 C2 C4 C7 122.158
C2 O14 C13 115.114 H3 C4 C7 119.370
C4 C2 O14 124.933 C4 C7 H5 109.831
C4 C7 H6 110.533 C4 C7 C10 110.136
H5 C7 H6 106.189 H5 C7 C10 109.849
H6 C7 C10 110.230 C7 C10 H8 109.700
C7 C10 H9 111.115 C7 C10 C13 110.147
H8 C10 H9 107.605 H8 C10 C13 108.831
H9 C10 C13 109.378 C10 C13 H11 112.353
C10 C13 H12 110.557 C10 C13 O14 111.676
H11 C13 H12 109.274 H11 C13 O14 104.855
H12 C13 O14 107.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.220      
2 C -0.092      
3 H 0.205      
4 C -0.239      
5 H 0.198      
6 H 0.193      
7 C -0.363      
8 H 0.208      
9 H 0.187      
10 C -0.378      
11 H 0.206      
12 H 0.187      
13 C -0.243      
14 O -0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.828 -0.470 0.376 1.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.586 1.381 0.225
y 1.381 -32.701 -0.665
z 0.225 -0.665 -37.668
Traceless
 xyz
x -3.402 1.381 0.225
y 1.381 5.426 -0.665
z 0.225 -0.665 -2.024
Polar
3z2-r2-4.048
x2-y2-5.886
xy1.381
xz0.225
yz-0.665


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.753 -0.371 -0.252
y -0.371 8.329 -0.076
z -0.252 -0.076 5.569


<r2> (average value of r2) Å2
<r2> 144.555
(<r2>)1/2 12.023