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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-270.371114
Energy at 298.15K-270.380892
HF Energy-270.371114
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3159 3097 39.01      
2 A 3137 3075 5.87      
3 A 3066 3006 47.64      
4 A 3049 2989 47.23      
5 A 3006 2947 54.11      
6 A 2993 2934 16.50      
7 A 2965 2907 59.44      
8 A 2950 2892 45.39      
9 A 1684 1651 68.59      
10 A 1501 1472 1.03      
11 A 1487 1458 1.59      
12 A 1477 1448 1.68      
13 A 1417 1389 3.11      
14 A 1384 1357 5.94      
15 A 1356 1330 2.30      
16 A 1336 1310 4.90      
17 A 1286 1261 3.29      
18 A 1254 1230 63.88      
19 A 1236 1211 18.37      
20 A 1195 1172 3.97      
21 A 1092 1070 3.54      
22 A 1075 1054 78.36      
23 A 1044 1024 13.26      
24 A 1024 1004 2.01      
25 A 928 910 7.67      
26 A 897 879 0.89      
27 A 889 872 17.17      
28 A 876 859 3.40      
29 A 830 814 6.52      
30 A 750 735 2.35      
31 A 720 706 21.47      
32 A 501 491 3.91      
33 A 487 477 1.96      
34 A 434 425 15.43      
35 A 278 273 0.60      
36 A 177 174 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 26469.4 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 25950.6 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 B97D3/6-31G*
ABC
0.17191 0.15669 0.08936

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.645 1.865 -0.202
C2 0.882 1.095 -0.083
H3 -0.746 2.402 0.091
C4 -0.429 1.360 0.064
H5 -2.323 0.508 -0.517
H6 -1.871 0.159 1.150
C7 -1.463 0.262 0.128
H8 -0.728 -1.076 -1.423
H9 -1.452 -1.929 -0.043
C10 -0.830 -1.067 -0.327
H11 1.058 -2.140 -0.014
H12 0.487 -1.196 1.396
C13 0.560 -1.212 0.294
O14 1.451 -0.152 -0.112

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.09052.46842.15154.20544.13533.51293.97114.89983.83864.05203.64213.30012.0282
C21.09052.09551.34593.28723.15842.49783.01663.81992.76813.24042.75542.35961.3708
H32.46842.09551.09012.53822.72332.25783.79334.39003.49484.88864.02153.84863.3753
C42.15151.34591.09012.15592.16771.50952.86903.44532.48993.80343.02432.76522.4189
H54.20543.28722.53822.15591.76151.10252.42392.63112.17854.32443.80283.45433.8526
H64.13533.15842.72332.16771.76151.10533.07422.44102.18353.90192.73142.92003.5674
C73.51292.49782.25781.50951.10251.10532.17562.19691.53993.48502.74542.50882.9530
H83.97113.01663.79332.86902.42393.07422.17561.77631.10062.51133.07182.15082.7052
H94.89983.81994.39003.44532.63112.44102.19691.77631.10042.51932.52322.16253.4041
C103.83862.76813.49482.48992.17852.18351.53991.10061.10042.19442.17251.52972.4667
H114.05203.24044.88863.80344.32443.90193.48502.51132.51932.19441.79041.09722.0287
H123.64212.75544.02153.02433.80282.73142.74543.07182.52322.17251.79041.10442.0721
C133.30012.35963.84862.76523.45432.92002.50882.15082.16251.52971.09721.10441.4428
O142.02821.37083.37532.41893.85263.56742.95302.70523.40412.46672.02872.07211.4428

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 123.673 H1 C2 O14 110.601
C2 C4 H3 118.194 C2 C4 C7 121.953
C2 O14 C13 114.035 H3 C4 C7 119.797
C4 C2 O14 125.724 C4 C7 H5 110.278
C4 C7 H6 110.935 C4 C7 C10 109.508
H5 C7 H6 105.816 H5 C7 C10 110.118
H6 C7 C10 110.137 C7 C10 H8 109.757
C7 C10 H9 111.673 C7 C10 C13 109.652
H8 C10 H9 107.514 H8 C10 C13 108.405
H9 C10 C13 109.765 C10 C13 H11 112.384
C10 C13 H12 109.970 C10 C13 O14 112.077
H11 C13 H12 108.681 H11 C13 O14 105.481
H12 C13 O14 108.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.140      
2 C 0.102      
3 H 0.128      
4 C -0.178      
5 H 0.150      
6 H 0.148      
7 C -0.299      
8 H 0.160      
9 H 0.143      
10 C -0.306      
11 H 0.154      
12 H 0.146      
13 C -0.050      
14 O -0.438      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.079 -0.564 0.255 1.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.489 0.713 0.157
y 0.713 -33.268 -0.520
z 0.157 -0.520 -37.174
Traceless
 xyz
x -2.268 0.713 0.157
y 0.713 4.063 -0.520
z 0.157 -0.520 -1.796
Polar
3z2-r2-3.591
x2-y2-4.221
xy0.713
xz0.157
yz-0.520


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.038 -0.248 -0.232
y -0.248 8.785 -0.121
z -0.232 -0.121 5.795


<r2> (average value of r2) Å2
<r2> 142.080
(<r2>)1/2 11.920