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

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-270.497435
Energy at 298.15K-270.507177
Nuclear repulsion energy238.720907
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/6-311G**
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 3113 3101 29.94      
2 A 3091 3079 3.98      
3 A 3023 3011 39.15      
4 A 2996 2985 47.60      
5 A 2963 2951 50.17      
6 A 2950 2938 16.47      
7 A 2924 2913 54.22      
8 A 2913 2901 35.07      
9 A 1636 1630 66.26      
10 A 1466 1460 2.27      
11 A 1452 1446 2.99      
12 A 1443 1437 1.95      
13 A 1383 1378 1.74      
14 A 1351 1346 2.91      
15 A 1325 1320 1.02      
16 A 1312 1307 4.68      
17 A 1261 1256 2.86      
18 A 1226 1222 43.00      
19 A 1206 1202 24.75      
20 A 1174 1170 3.93      
21 A 1071 1067 3.71      
22 A 1046 1042 76.97      
23 A 1011 1007 27.37      
24 A 1004 1000 2.81      
25 A 903 900 6.79      
26 A 895 892 1.08      
27 A 869 866 8.26      
28 A 853 849 14.70      
29 A 803 800 8.54      
30 A 737 734 3.89      
31 A 713 710 26.23      
32 A 497 495 4.67      
33 A 481 479 1.82      
34 A 435 433 14.17      
35 A 270 269 0.49      
36 A 173 173 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 25985.1 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 25883.8 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/6-311G**
ABC
0.16942 0.15562 0.08822

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.684 1.843 -0.197
C2 0.906 1.087 -0.080
H3 -0.698 2.425 0.089
C4 -0.400 1.377 0.062
H5 -2.314 0.560 -0.521
H6 -1.877 0.212 1.148
C7 -1.462 0.296 0.127
H8 -0.773 -1.085 -1.417
H9 -1.500 -1.903 -0.021
C10 -0.860 -1.059 -0.320
H11 1.020 -2.168 -0.041
H12 0.482 -1.240 1.392
C13 0.539 -1.239 0.289
O14 1.455 -0.177 -0.112

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.09032.46782.15104.21054.14123.52074.01184.91923.86064.06853.67133.32302.0353
C21.09032.09551.34593.29263.16592.50603.05393.83882.78983.25752.78692.38361.3789
H32.46782.09551.09002.54222.72272.26303.82044.40323.51214.90544.06533.87233.3832
C42.15101.34591.09002.16052.17221.51682.89603.46022.50823.82003.06572.78852.4263
H54.21053.29262.54222.16051.76021.10242.42572.64152.18574.33413.83623.46883.8617
H64.14123.16592.72272.17221.76021.10513.07952.44562.19243.93322.78082.94653.5832
C73.52072.50602.26301.51681.10241.10512.18352.20391.54903.50132.78192.52742.9647
H84.01183.05393.82042.89602.42573.07952.18351.77421.10102.50593.08062.15812.7367
H94.91923.83884.40323.46022.64152.44562.20391.77421.10082.53402.52262.16743.4229
C103.86062.78983.51212.50822.18572.19241.54901.10101.10082.19972.18241.53632.4852
H114.06853.25754.90543.82004.33413.93323.50132.50592.53402.19971.78981.09692.0386
H123.67132.78694.06533.06573.83622.78082.78193.08062.52262.18241.78981.10442.0826
C133.32302.38363.87232.78853.46882.94652.52742.15812.16741.53631.09691.10441.4575
O142.03531.37893.38322.42633.86173.58322.96472.73673.42292.48522.03862.08261.4575

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 123.661 H1 C2 O14 110.480
C2 C4 H3 118.307 C2 C4 C7 122.071
C2 O14 C13 114.326 H3 C4 C7 119.574
C4 C2 O14 125.857 C4 C7 H5 110.146
C4 C7 H6 110.909 C4 C7 C10 109.786
H5 C7 H6 105.762 H5 C7 C10 109.902
H6 C7 C10 110.269 C7 C10 H8 109.815
C7 C10 H9 111.432 C7 C10 C13 110.001
H8 C10 H9 107.374 H8 C10 C13 108.703
H9 C10 C13 109.442 C10 C13 H11 112.228
C10 C13 H12 110.400 C10 C13 O14 112.191
H11 C13 H12 108.792 H11 C13 O14 105.015
H12 C13 O14 107.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.097      
2 C 0.092      
3 H 0.089      
4 C -0.220      
5 H 0.112      
6 H 0.111      
7 C -0.157      
8 H 0.119      
9 H 0.105      
10 C -0.254      
11 H 0.109      
12 H 0.106      
13 C -0.006      
14 O -0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.117 -0.604 0.260 1.297
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.556 0.816 0.153
y 0.816 -34.272 -0.551
z 0.153 -0.551 -38.254
Traceless
 xyz
x -2.293 0.816 0.153
y 0.816 4.133 -0.551
z 0.153 -0.551 -1.840
Polar
3z2-r2-3.681
x2-y2-4.284
xy0.816
xz0.153
yz-0.551


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.719 -0.250 -0.173
y -0.250 9.514 -0.096
z -0.173 -0.096 6.552


<r2> (average value of r2) Å2
<r2> 144.086
(<r2>)1/2 12.004