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All results from a given calculation for C4H8O2 (1,3-Dioxane)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-307.535027
Energy at 298.15K-307.546358
HF Energy-307.160770
Nuclear repulsion energy265.368798
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 B2PLYP/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' 3155 3027 27.85      
2 A' 3127 3000 26.73      
3 A' 3112 2985 25.99      
4 A' 3062 2938 20.69      
5 A' 2993 2872 103.23      
6 A' 2948 2828 76.43      
7 A' 1528 1466 5.26      
8 A' 1515 1453 0.35      
9 A' 1482 1421 4.84      
10 A' 1419 1361 13.71      
11 A' 1329 1275 5.72      
12 A' 1220 1170 53.55      
13 A' 1186 1138 120.00      
14 A' 1118 1073 25.49      
15 A' 1012 970 35.62      
16 A' 922 884 12.38      
17 A' 849 815 12.67      
18 A' 653 627 4.03      
19 A' 494 474 0.53      
20 A' 436 418 10.07      
21 A' 267 256 1.79      
22 A" 3124 2997 40.28      
23 A" 2987 2865 17.83      
24 A" 1511 1449 3.97      
25 A" 1448 1389 9.36      
26 A" 1394 1338 1.67      
27 A" 1381 1325 0.01      
28 A" 1342 1287 1.66      
29 A" 1263 1212 29.18      
30 A" 1238 1188 0.06      
31 A" 1074 1031 37.13      
32 A" 1032 990 91.11      
33 A" 922 885 24.33      
34 A" 900 864 2.94      
35 A" 464 445 6.91      
36 A" 263 253 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 27083.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 25984.3 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 B2PLYP/cc-pVTZ
ABC
0.16736 0.16096 0.09216

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.620 -1.205 0.000
O2 0.017 -0.763 1.170
O3 0.017 -0.763 -1.170
C4 0.017 0.659 1.237
C5 0.017 0.659 -1.237
C6 0.683 1.246 0.000
H7 -0.574 -2.289 0.000
H8 -1.665 -0.859 0.000
H9 0.544 0.925 2.149
H10 -1.017 1.022 1.317
H11 0.544 0.925 -2.149
H12 -1.017 1.022 -1.317
H13 1.740 0.981 0.000
H14 0.599 2.333 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40341.40342.32602.32602.77541.08471.10143.24202.61733.24202.61733.21733.7421
O21.40342.34071.42412.79632.41872.01112.05142.02172.06783.76163.23132.71773.3612
O31.40342.34072.79631.42412.41872.01112.05143.76163.23132.02172.06782.71773.3612
C42.32601.42412.79632.47421.52283.25092.58161.08681.09793.43772.77902.14622.1614
C52.32602.79631.42412.47421.52283.25092.58163.43772.77901.08681.09792.14622.1614
C62.77542.41872.41871.52281.52283.75113.15372.17772.16212.17772.16211.08961.0910
H71.08472.01112.01113.25093.25093.75111.79894.02453.59024.02453.59024.00614.7682
H81.10142.05142.05142.58162.58163.15371.79893.56142.38593.56142.38593.87143.9136
H93.24202.02173.76161.08683.43772.17774.02453.56141.77134.29893.80282.46082.5703
H102.61732.06783.23131.09792.77902.16213.59022.38591.77133.80282.63423.05582.4625
H113.24203.76162.02173.43771.08682.17774.02453.56144.29893.80281.77132.46082.5703
H122.61733.23132.06782.77901.09792.16213.59022.38593.80282.63421.77133.05582.4625
H133.21732.71772.71772.14622.14621.08964.00613.87142.46083.05582.46083.05581.7695
H143.74213.36123.36122.16142.16141.09104.76823.91362.57032.46252.57032.46251.7695

picture of 1,3-Dioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 C4 110.694 C1 O3 C5 110.694
O2 C1 O3 113.006 O2 C1 H7 107.163
O2 C1 H8 109.369 O2 C4 C6 110.278
O2 C4 H9 106.479 O2 C4 H10 109.467
O3 C1 H7 107.163 O3 C1 H8 109.369
O3 C5 C6 110.278 O3 C5 H11 106.479
O3 C5 H12 109.467 C4 C6 C5 108.663
C4 C6 H13 109.358 C4 C6 H14 110.481
C5 C6 H13 109.358 C5 C6 H14 110.481
C6 C4 H9 112.051 C6 C4 H10 110.126
C6 C5 H11 112.051 C6 C5 H12 110.126
H7 C1 H8 110.741 H9 C4 H10 108.340
H11 C5 H12 108.340 H13 C6 H14 108.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.166      
2 O -0.332      
3 O -0.332      
4 C -0.004      
5 C -0.004      
6 C -0.172      
7 H 0.106      
8 H 0.035      
9 H 0.107      
10 H 0.067      
11 H 0.107      
12 H 0.067      
13 H 0.096      
14 H 0.094      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.282 0.508 0.000
y 0.508 8.263 0.000
z 0.000 0.000 7.870


<r2> (average value of r2) Å2
<r2> 139.066
(<r2>)1/2 11.793