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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-270.418238
Energy at 298.15K-270.428230
HF Energy-270.418238
Nuclear repulsion energy241.742739
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 M06-2X/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 3256 3083 22.36      
2 A 3233 3062 1.35      
3 A 3161 2994 32.67      
4 A 3146 2979 30.36      
5 A 3109 2944 30.70      
6 A 3091 2928 12.71      
7 A 3067 2905 45.00      
8 A 3061 2899 29.30      
9 A 1765 1672 75.15      
10 A 1534 1452 1.67      
11 A 1520 1439 2.34      
12 A 1505 1425 2.64      
13 A 1457 1380 3.95      
14 A 1423 1347 7.37      
15 A 1395 1321 1.71      
16 A 1369 1297 6.00      
17 A 1320 1250 7.44      
18 A 1310 1240 111.40      
19 A 1273 1206 3.28      
20 A 1226 1161 3.16      
21 A 1136 1076 50.80      
22 A 1117 1058 9.73      
23 A 1086 1029 14.81      
24 A 1050 995 2.11      
25 A 984 931 0.80      
26 A 972 920 17.37      
27 A 935 885 17.29      
28 A 902 854 0.98      
29 A 874 828 2.79      
30 A 781 740 14.67      
31 A 755 715 10.05      
32 A 515 488 6.55      
33 A 500 474 2.59      
34 A 452 428 14.08      
35 A 294 278 0.64      
36 A 194 184 3.26      

Unscaled Zero Point Vibrational Energy (zpe) 27383.0 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 25931.7 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 M06-2X/6-31G*
ABC
0.17444 0.15916 0.09093

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.035 1.362 -0.085
C2 1.155 0.796 -0.038
H3 -0.100 2.407 -0.331
C4 -0.041 1.400 -0.047
H5 -2.163 1.175 -0.030
H6 -1.304 0.451 1.339
C7 -1.257 0.637 0.265
H8 -0.996 -0.633 -1.481
H9 -1.960 -1.376 -0.171
C10 -1.108 -0.731 -0.400
H11 0.355 -2.336 -0.132
H12 0.026 -1.358 1.311
C13 0.162 -1.323 0.227
O14 1.330 -0.545 -0.057

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.04722.38942.07634.20203.74233.38833.88804.84383.78894.06113.65763.28792.0333
C21.04722.06331.34023.33942.83932.43572.95853.79972.75373.23302.78022.35451.3524
H32.38942.06331.04752.42172.83972.19703.37224.21893.29704.76874.10893.78073.2917
C42.07631.34021.04752.13392.10191.46912.66573.37762.40983.75803.07482.74492.3802
H54.20203.33942.42172.13391.77121.09442.59522.56282.20964.32153.60593.42253.8935
H63.74232.83932.83972.10191.77121.09173.03742.45982.11223.56142.24532.55683.1434
C73.38832.43572.19701.46911.09441.09172.17452.17631.52803.40452.59172.42012.8621
H83.88802.95853.37222.66572.59523.03742.17451.78801.09142.55853.06002.17612.7288
H94.84383.79974.21893.37762.56282.45982.17631.78801.09302.50692.47812.16043.3953
C103.78892.75373.29702.40982.20962.11221.52801.09141.09302.18802.14571.53532.4688
H114.06113.23304.76873.75804.32153.56143.40452.55852.50692.18801.77361.09122.0397
H123.65762.78024.10893.07483.60592.24532.59173.06002.47812.14571.77361.09322.0572
C133.28792.35453.78072.74493.42252.55682.42012.17612.16041.53531.09121.09321.4312
O142.03331.35243.29172.38023.89353.14342.86212.72883.39532.46882.03972.05721.4312

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 120.350 H1 C2 O14 115.257
C2 C4 H3 119.061 C2 C4 C7 120.156
C2 O14 C13 115.496 H3 C4 C7 120.694
C4 C2 O14 124.255 C4 C7 H5 111.869
C4 C7 H6 109.446 C4 C7 C10 107.017
H5 C7 H6 108.238 H5 C7 C10 113.806
H6 C7 C10 106.268 C7 C10 H8 111.130
C7 C10 H9 111.177 C7 C10 C13 104.375
H8 C10 H9 109.879 H8 C10 C13 110.747
H9 C10 C13 109.415 C10 C13 H11 111.713
C10 C13 H12 108.262 C10 C13 O14 112.609
H11 C13 H12 108.569 H11 C13 O14 107.158
H12 C13 O14 108.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.167      
2 C 0.112      
3 H 0.155      
4 C -0.213      
5 H 0.167      
6 H 0.164      
7 C -0.325      
8 H 0.174      
9 H 0.161      
10 C -0.339      
11 H 0.171      
12 H 0.155      
13 C -0.056      
14 O -0.491      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.158 -0.412 0.287 1.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.764 0.906 0.167
y 0.906 -33.276 -0.556
z 0.167 -0.556 -37.514
Traceless
 xyz
x -2.369 0.906 0.167
y 0.906 4.363 -0.556
z 0.167 -0.556 -1.994
Polar
3z2-r2-3.988
x2-y2-4.488
xy0.906
xz0.167
yz-0.556


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.720 -0.235 -0.248
y -0.235 8.392 -0.089
z -0.248 -0.089 5.700


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000