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

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-268.922008
Energy at 298.15K-268.932311
HF Energy-268.922008
Nuclear repulsion energy243.056801
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/TZVP
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 3366 3058 23.90      
2 A 3333 3028 4.09      
3 A 3258 2960 51.82      
4 A 3222 2928 67.98      
5 A 3196 2904 50.92      
6 A 3177 2887 17.71      
7 A 3161 2872 53.50      
8 A 3154 2866 35.37      
9 A 1855 1686 100.14      
10 A 1641 1491 1.50      
11 A 1621 1473 2.71      
12 A 1605 1458 2.72      
13 A 1561 1419 4.19      
14 A 1530 1390 8.16      
15 A 1500 1363 1.29      
16 A 1474 1340 3.65      
17 A 1413 1284 7.93      
18 A 1387 1261 129.64      
19 A 1361 1236 9.07      
20 A 1318 1198 2.15      
21 A 1209 1098 14.24      
22 A 1203 1093 93.98      
23 A 1135 1031 17.50      
24 A 1123 1020 3.45      
25 A 1088 989 0.31      
26 A 1010 918 28.09      
27 A 971 882 8.84      
28 A 964 876 14.20      
29 A 901 818 3.40      
30 A 842 765 26.92      
31 A 807 733 9.78      
32 A 552 501 7.35      
33 A 535 486 2.90      
34 A 485 441 14.34      
35 A 302 274 0.66      
36 A 196 178 4.25      

Unscaled Zero Point Vibrational Energy (zpe) 28726.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 26101.1 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/TZVP
ABC
0.17486 0.16185 0.09146

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.121 1.196 -0.088
C2 1.207 0.704 -0.038
H3 0.094 2.396 -0.324
C4 0.072 1.394 -0.046
H5 -2.055 1.335 -0.032
H6 -1.263 0.552 1.331
C7 -1.200 0.730 0.262
H8 -1.041 -0.557 -1.473
H9 -2.052 -1.219 -0.170
C10 -1.158 -0.644 -0.398
H11 0.178 -2.348 -0.130
H12 -0.074 -1.357 1.304
C13 0.061 -1.331 0.227
O14 1.274 -0.640 -0.058

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.03852.36622.05844.17863.72473.37123.87134.82213.77264.04213.64263.27552.0220
C21.03852.04481.32873.32332.82852.42622.95003.78702.74633.22252.77312.35101.3458
H32.36622.04481.03952.41482.82462.18953.36564.20683.28854.74854.09373.76743.2676
C42.05841.32871.03952.12842.09411.46772.66163.37012.40683.74493.06772.73902.3630
H54.17863.32332.41482.12841.76041.08872.58612.55802.20394.30883.60003.41403.8717
H63.72472.82852.82462.09411.76041.08493.02372.45242.10493.55282.24942.55313.1286
C73.37122.42622.18951.46771.08871.08492.16662.17071.52503.39512.58992.41632.8462
H83.87132.95003.36562.66162.58613.02372.16661.77741.08542.54913.04732.16842.7146
H94.82213.78704.20683.37012.55802.45242.17071.77741.08712.50022.47132.15303.3786
C103.77262.74633.28852.40682.20392.10491.52501.08541.08712.18182.13981.53212.4560
H114.04213.22254.74853.74494.30883.55283.39512.54912.50022.18181.76101.08412.0311
H123.64262.77314.09373.06773.60002.24942.58993.04732.47132.13981.76101.08562.0458
C133.27552.35103.76742.73903.41402.55312.41632.16842.15301.53211.08411.08561.4254
O142.02201.34583.26762.36303.87173.12862.84622.71463.37862.45602.03112.04581.4254

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 120.322 H1 C2 O14 115.397
C2 C4 H3 118.907 C2 C4 C7 120.282
C2 O14 C13 116.041 H3 C4 C7 120.722
C4 C2 O14 124.139 C4 C7 H5 111.873
C4 C7 H6 109.329 C4 C7 C10 107.053
H5 C7 H6 108.170 H5 C7 C10 113.926
H6 C7 C10 106.285 C7 C10 H8 111.076
C7 C10 H9 111.301 C7 C10 C13 104.444
H8 C10 H9 109.794 H8 C10 C13 110.720
H9 C10 C13 109.396 C10 C13 H11 111.877
C10 C13 H12 108.451 C10 C13 O14 112.238
H11 C13 H12 108.506 H11 C13 O14 107.290
H12 C13 O14 108.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.095      
2 C 0.002      
3 H 0.120      
4 C -0.216      
5 H 0.090      
6 H 0.082      
7 C -0.087      
8 H 0.088      
9 H 0.094      
10 C -0.172      
11 H 0.102      
12 H 0.072      
13 C 0.009      
14 O -0.279      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.354 -0.401 0.349 1.455
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.451 1.281 0.249
y 1.281 -33.928 -0.567
z 0.249 -0.567 -38.216
Traceless
 xyz
x -2.379 1.281 0.249
y 1.281 4.405 -0.567
z 0.249 -0.567 -2.027
Polar
3z2-r2-4.053
x2-y2-4.523
xy1.281
xz0.249
yz-0.567


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.229 -0.323 -0.154
y -0.323 8.575 -0.029
z -0.154 -0.029 6.658


<r2> (average value of r2) Å2
<r2> 139.827
(<r2>)1/2 11.825