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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-267.159436
Energy at 298.15K-267.168996
Nuclear repulsion energy236.045488
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/STO-3G
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 3466 3093 5.66      
2 A 3458 3086 1.71      
3 A 3425 3057 6.60      
4 A 3413 3046 2.67      
5 A 3406 3039 2.11      
6 A 3347 2986 1.26      
7 A 3312 2956 5.56      
8 A 3283 2930 10.56      
9 A 1837 1639 45.89      
10 A 1670 1491 0.50      
11 A 1654 1476 0.93      
12 A 1642 1465 1.07      
13 A 1531 1367 2.05      
14 A 1499 1338 8.76      
15 A 1490 1329 2.51      
16 A 1439 1284 15.21      
17 A 1373 1226 1.40      
18 A 1345 1200 10.38      
19 A 1323 1181 17.85      
20 A 1266 1130 5.61      
21 A 1182 1055 18.27      
22 A 1170 1044 16.43      
23 A 1142 1019 2.06      
24 A 1079 963 2.73      
25 A 998 890 0.90      
26 A 990 884 2.13      
27 A 963 860 7.26      
28 A 950 848 0.44      
29 A 889 793 1.15      
30 A 791 706 1.25      
31 A 747 666 13.31      
32 A 526 469 0.80      
33 A 503 449 0.99      
34 A 440 393 10.10      
35 A 268 239 0.48      
36 A 181 162 2.06      

Unscaled Zero Point Vibrational Energy (zpe) 28998.9 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 25878.6 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/STO-3G
ABC
0.16777 0.15016 0.08625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.623 1.919 -0.192
C2 0.874 1.117 -0.074
H3 -0.787 2.412 0.076
C4 -0.442 1.372 0.056
H5 -2.355 0.504 -0.507
H6 -1.876 0.151 1.167
C7 -1.490 0.257 0.134
H8 -0.761 -1.097 -1.433
H9 -1.465 -1.948 -0.028
C10 -0.849 -1.085 -0.334
H11 1.058 -2.167 -0.023
H12 0.488 -1.227 1.405
C13 0.573 -1.222 0.295
O14 1.510 -0.148 -0.116

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.10302.47452.15064.23414.14903.54314.03924.95073.89254.12803.70603.34732.0706
C21.10302.11201.34773.31593.16862.52423.06933.85572.80813.28962.79872.38721.4161
H32.47452.11201.09552.53772.73632.26663.81924.41333.52084.93784.07853.88633.4448
C42.15061.34771.09552.17492.18681.53142.90033.47492.52043.84513.07302.79622.4805
H54.23413.31592.53772.17491.77631.10512.44132.65212.19554.36133.83873.49243.9397
H64.14903.16862.73632.18681.77631.10753.09172.45002.19813.92422.74682.93993.6340
C73.54312.52422.26661.53141.10511.10752.19582.21171.55903.52082.78032.54363.0378
H84.03923.06933.81922.90032.44133.09172.19581.78701.10302.53873.10352.18692.7916
H94.95073.85574.41333.47492.65212.45002.21171.78701.10322.53232.52702.18683.4785
C103.89252.80813.52082.52042.19552.19811.55901.10301.10322.21542.19821.56132.5484
H114.12803.28964.93783.84514.36133.92423.52082.53872.53232.21541.80211.10892.0717
H123.70602.79874.07853.07303.83872.74682.78033.10352.52702.19821.80211.11302.1277
C133.34732.38723.88632.79623.49242.93992.54362.18692.18681.56131.10891.11301.4845
O142.07061.41613.44482.48053.93973.63403.03782.79163.47852.54842.07172.12771.4845

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 122.382 H1 C2 O14 109.947
C2 C4 H3 119.281 C2 C4 C7 122.369
C2 O14 C13 110.757 H3 C4 C7 118.324
C4 C2 O14 127.654 C4 C7 H5 110.105
C4 C7 H6 110.904 C4 C7 C10 109.283
H5 C7 H6 106.801 H5 C7 C10 109.827
H6 C7 C10 109.893 C7 C10 H8 109.970
C7 C10 H9 111.204 C7 C10 C13 109.214
H8 C10 H9 108.187 H8 C10 C13 109.122
H9 C10 C13 109.109 C10 C13 H11 110.999
C10 C13 H12 109.421 C10 C13 O14 113.565
H11 C13 H12 108.394 H11 C13 O14 105.115
H12 C13 O14 109.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.080      
2 C -0.006      
3 H 0.070      
4 C -0.123      
5 H 0.077      
6 H 0.073      
7 C -0.138      
8 H 0.078      
9 H 0.076      
10 C -0.137      
11 H 0.084      
12 H 0.077      
13 C -0.042      
14 O -0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.925 -0.604 0.258 1.134
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.415 0.621 0.200
y 0.621 -31.996 -0.423
z 0.200 -0.423 -34.398
Traceless
 xyz
x -2.218 0.621 0.200
y 0.621 2.911 -0.423
z 0.200 -0.423 -0.693
Polar
3z2-r2-1.385
x2-y2-3.419
xy0.621
xz0.200
yz-0.423


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.445 -0.295 -0.232
y -0.295 5.396 -0.127
z -0.232 -0.127 2.790


<r2> (average value of r2) Å2
<r2> 144.726
(<r2>)1/2 12.030