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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-267.007367
Energy at 298.15K-267.016705
Nuclear repulsion energy233.644107
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 BLYP/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 3358 3107 4.65      
2 A 3347 3097 3.22      
3 A 3319 3070 3.36      
4 A 3297 3051 5.89      
5 A 3295 3048 1.65      
6 A 3239 2996 2.13      
7 A 3200 2960 8.71      
8 A 3173 2936 13.53      
9 A 1754 1622 41.13      
10 A 1624 1502 0.78      
11 A 1609 1488 1.00      
12 A 1593 1473 1.32      
13 A 1480 1369 1.54      
14 A 1443 1335 7.77      
15 A 1432 1325 3.16      
16 A 1390 1286 13.08      
17 A 1328 1229 1.58      
18 A 1297 1200 8.47      
19 A 1272 1177 13.39      
20 A 1222 1131 5.39      
21 A 1138 1053 6.54      
22 A 1117 1033 30.78      
23 A 1093 1011 3.96      
24 A 1040 962 2.43      
25 A 951 880 2.14      
26 A 931 861 0.34      
27 A 922 853 4.87      
28 A 916 847 0.85      
29 A 845 782 0.67      
30 A 761 704 0.64      
31 A 707 654 14.78      
32 A 507 469 0.55      
33 A 485 449 0.87      
34 A 420 389 9.41      
35 A 258 238 0.38      
36 A 176 163 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 27967.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 25875.6 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 BLYP/STO-3G
ABC
0.16463 0.14683 0.08443

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.636 1.933 -0.202
C2 0.882 1.128 -0.075
H3 -0.799 2.431 0.071
C4 -0.450 1.384 0.057
H5 -2.378 0.507 -0.507
H6 -1.893 0.149 1.178
C7 -1.504 0.261 0.138
H8 -0.771 -1.103 -1.446
H9 -1.480 -1.963 -0.032
C10 -0.860 -1.093 -0.338
H11 1.067 -2.185 -0.035
H12 0.492 -1.249 1.413
C13 0.574 -1.238 0.295
O14 1.534 -0.146 -0.112

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.11072.50022.17284.27104.18823.57374.07004.99243.92534.16063.74783.38152.0838
C21.11072.13161.36283.34623.19792.54713.09673.89062.83473.31842.83192.41501.4318
H32.50022.13161.10352.55582.76262.28343.84664.44833.54894.98034.12523.92473.4810
C42.17281.36281.10352.19172.20561.54242.92393.50362.54223.87973.10912.82602.5115
H54.27103.34622.55582.19171.78921.11362.46082.67062.21214.39753.87423.52193.9855
H64.18823.19792.76262.20561.78921.11623.11602.46862.21573.95972.77492.96483.6734
C73.57372.54712.28341.54241.11361.11622.21452.23041.57303.55262.80932.56713.0749
H84.07003.09673.84662.92392.46083.11602.21451.80051.11112.55773.12932.20442.8300
H94.99243.89064.44833.50362.67062.46862.23041.80051.11172.55732.54732.20293.5205
C103.92532.83473.54892.54222.21212.21571.57301.11111.11172.23552.21821.57432.5841
H114.16063.31844.98033.87974.39753.95973.55262.55772.55732.23551.81721.11702.0930
H123.74782.83194.12523.10913.87422.77492.80933.12932.54732.21821.81721.12122.1516
C133.38152.41503.92472.82603.52192.96482.56712.20442.20291.57431.11701.12121.5101
O142.08381.43183.48102.51153.98553.67343.07492.83003.52052.58412.09302.15161.5101

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 122.580 H1 C2 O14 109.439
C2 C4 H3 119.231 C2 C4 C7 122.376
C2 O14 C13 110.322 H3 C4 C7 118.358
C4 C2 O14 127.962 C4 C7 H5 110.163
C4 C7 H6 111.101 C4 C7 C10 109.366
H5 C7 H6 106.721 H5 C7 C10 109.666
H6 C7 C10 109.787 C7 C10 H8 109.995
C7 C10 H9 111.192 C7 C10 C13 109.302
H8 C10 H9 108.197 H8 C10 C13 109.134
H9 C10 C13 108.984 C10 C13 H11 111.191
C10 C13 H12 109.617 C10 C13 O14 113.803
H11 C13 H12 108.568 H11 C13 O14 104.638
H12 C13 O14 108.808
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.076      
2 C -0.018      
3 H 0.067      
4 C -0.122      
5 H 0.074      
6 H 0.070      
7 C -0.134      
8 H 0.077      
9 H 0.075      
10 C -0.133      
11 H 0.082      
12 H 0.076      
13 C -0.047      
14 O -0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.810 -0.733 0.227 1.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.165 0.554 0.161
y 0.554 -32.095 -0.434
z 0.161 -0.434 -34.435
Traceless
 xyz
x -1.900 0.554 0.161
y 0.554 2.704 -0.434
z 0.161 -0.434 -0.805
Polar
3z2-r2-1.610
x2-y2-3.069
xy0.554
xz0.161
yz-0.434


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.629 -0.297 -0.234
y -0.297 5.665 -0.142
z -0.234 -0.142 2.857


<r2> (average value of r2) Å2
<r2> 147.254
(<r2>)1/2 12.135