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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-270.524720
Energy at 298.15K-270.534480
Nuclear repulsion energy239.201047
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/cc-pVTZ
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 3116 3107 26.15      
2 A 3095 3086 3.17      
3 A 3020 3011 36.25      
4 A 2996 2987 43.65      
5 A 2965 2956 46.35      
6 A 2952 2943 15.76      
7 A 2926 2917 50.33      
8 A 2916 2907 30.88      
9 A 1637 1632 68.23      
10 A 1469 1464 2.24      
11 A 1454 1450 2.90      
12 A 1446 1441 1.58      
13 A 1389 1385 2.22      
14 A 1354 1350 2.61      
15 A 1327 1323 0.85      
16 A 1316 1312 4.92      
17 A 1262 1258 2.80      
18 A 1229 1225 40.34      
19 A 1207 1203 24.88      
20 A 1175 1171 3.25      
21 A 1075 1071 3.84      
22 A 1046 1043 77.89      
23 A 1012 1009 24.94      
24 A 1007 1004 5.01      
25 A 906 903 4.22      
26 A 901 899 3.19      
27 A 871 868 7.43      
28 A 852 850 15.33      
29 A 803 801 8.58      
30 A 739 737 4.04      
31 A 714 712 25.93      
32 A 499 498 4.12      
33 A 482 481 1.82      
34 A 437 436 12.48      
35 A 269 268 0.43      
36 A 174 173 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 26018.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 25940.6 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/cc-pVTZ
ABC
0.16997 0.15637 0.08855

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.690 1.831 -0.197
C2 0.912 1.080 -0.080
H3 -0.679 2.425 0.086
C4 -0.390 1.377 0.061
H5 -2.305 0.576 -0.518
H6 -1.870 0.225 1.146
C7 -1.456 0.306 0.128
H8 -0.783 -1.079 -1.414
H9 -1.510 -1.887 -0.019
C10 -0.865 -1.051 -0.319
H11 1.001 -2.172 -0.047
H12 0.474 -1.248 1.387
C13 0.529 -1.242 0.286
O14 1.450 -0.187 -0.110

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08792.45872.14494.20024.13033.51234.00814.90933.85394.06473.67033.32052.0340
C21.08792.08941.34253.28543.15822.50063.05163.83092.78513.25342.78662.38181.3770
H32.45872.08941.08752.53532.71692.25773.81264.39263.50394.89544.06303.86553.3751
C42.14491.34251.08752.15492.16681.51312.89113.45162.50243.81263.06472.78412.4206
H54.20023.28542.53532.15491.75531.09962.42042.63572.18104.32403.83043.46143.8536
H64.13033.15822.71692.16681.75531.10223.07192.43892.18713.92512.77812.94023.5735
C73.51232.50062.25771.51311.09961.10222.17892.19841.54553.49362.77922.52242.9579
H84.00813.05163.81262.89112.42043.07192.17891.76901.09832.49883.07412.15382.7357
H94.90933.83094.39263.45162.63572.43892.19841.76901.09802.52692.51362.16053.4153
C103.85392.78513.50392.50242.18102.18711.54551.09831.09802.19392.17751.53232.4806
H114.06473.25344.89543.81264.32403.92513.49362.49882.52692.19391.78491.09462.0363
H123.67032.78664.06303.06473.83042.77812.77923.07412.51362.17751.78491.10172.0783
C133.32052.38183.86552.78413.46142.94022.52242.15382.16051.53231.09461.10171.4556
O142.03401.37703.37512.42063.85363.57352.95792.73573.41532.48062.03632.07831.4556

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 123.556 H1 C2 O14 110.673
C2 C4 H3 118.218 C2 C4 C7 122.141
C2 O14 C13 114.434 H3 C4 C7 119.594
C4 C2 O14 125.769 C4 C7 H5 110.124
C4 C7 H6 110.916 C4 C7 C10 109.798
H5 C7 H6 105.731 H5 C7 C10 109.939
H6 C7 C10 110.265 C7 C10 H8 109.846
C7 C10 H9 111.406 C7 C10 C13 110.078
H8 C10 H9 107.301 H8 C10 C13 108.798
H9 C10 C13 109.338 C10 C13 H11 112.194
C10 C13 H12 110.456 C10 C13 O14 112.217
H11 C13 H12 108.719 H11 C13 O14 105.087
H12 C13 O14 107.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.101      
2 C -0.002      
3 H 0.098      
4 C -0.185      
5 H 0.079      
6 H 0.079      
7 C -0.118      
8 H 0.081      
9 H 0.076      
10 C -0.152      
11 H 0.085      
12 H 0.059      
13 C 0.037      
14 O -0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.130 -0.627 0.243 1.315
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.585 0.778 0.150
y 0.778 -34.599 -0.520
z 0.150 -0.520 -38.313
Traceless
 xyz
x -2.129 0.778 0.150
y 0.778 3.849 -0.520
z 0.150 -0.520 -1.720
Polar
3z2-r2-3.441
x2-y2-3.986
xy0.778
xz0.150
yz-0.520


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 143.703
(<r2>)1/2 11.988