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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-270.544369
Energy at 298.15K-270.554268
Nuclear repulsion energy240.608528
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 B3LYPultrafine/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 3218 3083 30.30      
2 A 3194 3060 3.91      
3 A 3119 2988 41.35      
4 A 3099 2968 42.86      
5 A 3060 2932 46.48      
6 A 3048 2920 12.65      
7 A 3022 2895 52.29      
8 A 3011 2884 36.33      
9 A 1730 1658 71.21      
10 A 1533 1469 1.06      
11 A 1519 1455 1.52      
12 A 1508 1444 1.83      
13 A 1449 1388 3.83      
14 A 1416 1356 6.85      
15 A 1388 1330 1.84      
16 A 1368 1311 4.46      
17 A 1313 1258 3.74      
18 A 1287 1233 84.23      
19 A 1265 1212 11.60      
20 A 1222 1171 3.40      
21 A 1117 1070 4.49      
22 A 1107 1060 81.88      
23 A 1070 1025 8.05      
24 A 1045 1001 1.98      
25 A 949 909 9.24      
26 A 943 904 1.90      
27 A 910 871 18.93      
28 A 896 859 2.77      
29 A 850 814 4.73      
30 A 768 736 6.02      
31 A 745 713 16.94      
32 A 511 490 4.74      
33 A 496 475 2.05      
34 A 446 427 14.57      
35 A 281 270 0.62      
36 A 182 175 3.18      

Unscaled Zero Point Vibrational Energy (zpe) 27041.9 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 25906.1 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 B3LYPultrafine/6-31G*
ABC
0.17238 0.15796 0.08975

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.649 1.854 -0.192
C2 0.885 1.090 -0.080
H3 -0.727 2.401 0.094
C4 -0.418 1.360 0.062
H5 -2.309 0.520 -0.524
H6 -1.873 0.180 1.140
C7 -1.458 0.270 0.124
H8 -0.743 -1.088 -1.411
H9 -1.458 -1.916 -0.023
C10 -0.835 -1.064 -0.318
H11 1.047 -2.139 -0.023
H12 0.494 -1.207 1.389
C13 0.558 -1.213 0.291
O14 1.440 -0.158 -0.115

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08612.45512.13994.18954.12083.50173.98264.88813.83374.04123.63383.29052.0238
C21.08612.08521.33813.27443.15022.49083.02733.81172.76633.23332.75482.35531.3661
H32.45512.08521.08602.53382.70902.25263.79954.37993.49074.87564.02313.84053.3598
C42.13991.33811.08602.15092.16171.50832.87603.43882.48913.79453.03032.76152.4059
H54.18953.27442.53382.15091.75371.09842.41322.62892.17334.31103.80763.44773.8317
H64.12083.15022.70902.16171.75371.10093.06502.43292.18003.90642.75452.92793.5592
C73.50172.49082.25261.50831.09841.10092.17122.19141.53773.47912.75542.50862.9397
H83.98263.02733.79952.87602.41323.06502.17121.76791.09692.49763.06382.14622.7040
H94.88813.81174.37993.43882.62892.43292.19141.76791.09652.51512.51092.15813.3911
C103.83372.76633.49072.48912.17332.18001.53771.09691.09652.18772.16841.52782.4573
H114.04123.23334.87563.79454.31103.90643.47912.49762.51512.18771.78031.09332.0218
H123.63382.75484.02313.03033.80762.75452.75543.06382.51092.16841.78031.10032.0642
C133.29052.35533.84052.76153.44772.92792.50862.14622.15811.52781.09331.10031.4339
O142.02381.36613.35982.40593.83173.55922.93972.70403.39112.45732.02182.06421.4339

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 123.613 H1 C2 O14 110.719
C2 C4 H3 118.317 C2 C4 C7 121.998
C2 O14 C13 114.502 H3 C4 C7 119.639
C4 C2 O14 125.667 C4 C7 H5 110.216
C4 C7 H6 110.924 C4 C7 C10 109.605
H5 C7 H6 105.761 H5 C7 C10 109.946
H6 C7 C10 110.332 C7 C10 H8 109.872
C7 C10 H9 111.495 C7 C10 C13 109.841
H8 C10 H9 107.416 H8 C10 C13 108.600
H9 C10 C13 109.543 C10 C13 H11 112.096
C10 C13 H12 110.132 C10 C13 O14 112.094
H11 C13 H12 108.500 H11 C13 O14 105.462
H12 C13 O14 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.137      
2 C 0.117      
3 H 0.124      
4 C -0.172      
5 H 0.145      
6 H 0.144      
7 C -0.289      
8 H 0.154      
9 H 0.138      
10 C -0.295      
11 H 0.149      
12 H 0.140      
13 C -0.033      
14 O -0.459      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.117 -0.497 0.273 1.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.725 0.773 0.187
y 0.773 -33.375 -0.501
z 0.187 -0.501 -37.308
Traceless
 xyz
x -2.384 0.773 0.187
y 0.773 4.141 -0.501
z 0.187 -0.501 -1.758
Polar
3z2-r2-3.515
x2-y2-4.350
xy0.773
xz0.187
yz-0.501


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.825 -0.262 -0.227
y -0.262 8.518 -0.106
z -0.227 -0.106 5.685


<r2> (average value of r2) Å2
<r2> 141.619
(<r2>)1/2 11.900