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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-268.754386
Energy at 298.15K-268.764606
Nuclear repulsion energy240.148147
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 HF/LANL2DZ
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 3450 3104 29.88      
2 A 3395 3055 11.13      
3 A 3340 3006 54.18      
4 A 3282 2954 90.12      
5 A 3251 2925 49.45      
6 A 3235 2912 61.29      
7 A 3224 2901 36.90      
8 A 3199 2879 59.82      
9 A 1845 1660 80.51      
10 A 1662 1496 3.09      
11 A 1648 1483 4.99      
12 A 1638 1474 5.19      
13 A 1552 1396 1.23      
14 A 1528 1375 4.63      
15 A 1509 1358 0.11      
16 A 1491 1342 10.13      
17 A 1406 1265 4.54      
18 A 1384 1246 81.72      
19 A 1365 1228 28.27      
20 A 1322 1189 3.36      
21 A 1223 1101 8.82      
22 A 1193 1073 118.46      
23 A 1165 1049 7.24      
24 A 1122 1010 6.07      
25 A 1105 994 0.24      
26 A 1002 902 8.94      
27 A 984 886 7.69      
28 A 945 851 40.25      
29 A 887 798 8.38      
30 A 847 763 37.17      
31 A 807 727 12.02      
32 A 550 495 11.21      
33 A 530 477 4.72      
34 A 484 436 21.95      
35 A 288 259 0.96      
36 A 180 162 8.64      

Unscaled Zero Point Vibrational Energy (zpe) 29019.4 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 26114.6 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 HF/LANL2DZ
ABC
0.16863 0.15956 0.08902

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.959 1.532 -0.182
C2 1.079 0.933 -0.078
H3 -0.280 2.490 0.078
C4 -0.152 1.426 0.052
H5 -2.165 0.936 -0.489
H6 -1.762 0.522 1.151
C7 -1.375 0.534 0.135
H8 -0.950 -0.929 -1.399
H9 -1.793 -1.598 -0.021
C10 -1.023 -0.896 -0.318
H11 0.632 -2.295 -0.075
H12 0.269 -1.347 1.363
C13 0.320 -1.328 0.280
O14 1.376 -0.416 -0.106

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.06942.44932.12664.17804.07923.49433.99974.88863.84734.05183.67813.32792.0342
C21.06942.07261.33233.26973.12232.49513.05423.82852.79633.25912.81622.41141.3813
H32.44932.07261.07232.50832.68722.24253.78474.36053.48954.87424.08383.86983.3495
C42.12661.33231.07232.14112.14851.51582.87893.44132.50733.80523.09622.80292.3980
H54.17803.26972.50832.14111.73881.08432.40472.60352.16564.29383.81693.44783.8092
H64.07923.12232.68722.14851.73881.08673.04432.42252.17163.89532.76832.91753.5074
C73.49432.49512.24251.51581.08431.08672.16262.17851.54133.47562.78382.52162.9200
H83.99973.05423.78472.87892.40473.04432.16261.74891.08392.47453.04842.14252.7103
H94.88863.82854.36053.44132.60352.42252.17851.74891.08392.52432.49652.15123.3833
C103.84732.79633.48952.50732.16562.17161.54131.08391.08392.18092.16801.53162.4552
H114.05183.25914.87423.80524.29383.89533.47562.47452.52432.18091.76091.07742.0216
H123.67812.81624.08383.09623.81692.76832.78383.04842.49652.16801.76091.08462.0612
C133.32792.41143.86982.80293.44782.91752.52162.14252.15121.53161.07741.08461.4476
O142.03421.38133.34952.39803.80923.50742.92002.71033.38332.45522.02162.06121.4476

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 124.247 H1 C2 O14 111.573
C2 C4 H3 118.665 C2 C4 C7 122.214
C2 O14 C13 116.934 H3 C4 C7 119.110
C4 C2 O14 124.178 C4 C7 H5 109.756
C4 C7 H6 110.206 C4 C7 C10 110.199
H5 C7 H6 106.443 H5 C7 C10 109.922
H6 C7 C10 110.247 C7 C10 H8 109.705
C7 C10 H9 110.961 C7 C10 C13 110.287
H8 C10 H9 107.556 H8 C10 C13 108.794
H9 C10 C13 109.471 C10 C13 H11 112.248
C10 C13 H12 110.766 C10 C13 O14 110.970
H11 C13 H12 109.073 H11 C13 O14 105.441
H12 C13 O14 108.128
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.217      
2 C 0.038      
3 H 0.199      
4 C -0.265      
5 H 0.183      
6 H 0.174      
7 C -0.308      
8 H 0.185      
9 H 0.177      
10 C -0.357      
11 H 0.190      
12 H 0.163      
13 C -0.096      
14 O -0.500      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.974 -0.102 0.462 2.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.270 2.329 0.259
y 2.329 -33.876 -0.714
z 0.259 -0.714 -38.550
Traceless
 xyz
x -3.057 2.329 0.259
y 2.329 5.034 -0.714
z 0.259 -0.714 -1.977
Polar
3z2-r2-3.954
x2-y2-5.394
xy2.329
xz0.259
yz-0.714


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.382 -0.482 -0.270
y -0.482 7.808 -0.022
z -0.270 -0.022 5.382


<r2> (average value of r2) Å2
<r2> 142.904
(<r2>)1/2 11.954