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

using model chemistry: MP2=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-307.004857
Energy at 298.15K-307.016272
Nuclear repulsion energy265.866752
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 MP2=FULL/6-311G**
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' 3201 3037 29.23      
2 A' 3170 3007 27.43      
3 A' 3161 2999 16.83      
4 A' 3097 2938 17.66      
5 A' 3032 2876 100.51      
6 A' 2984 2830 77.62      
7 A' 1534 1455 5.33      
8 A' 1520 1441 0.10      
9 A' 1483 1406 7.01      
10 A' 1436 1362 18.42      
11 A' 1344 1275 5.87      
12 A' 1230 1167 94.83      
13 A' 1208 1146 84.92      
14 A' 1130 1072 12.97      
15 A' 1025 973 39.61      
16 A' 944 896 8.87      
17 A' 866 821 11.66      
18 A' 659 625 5.22      
19 A' 485 460 1.44      
20 A' 458 434 9.43      
21 A' 277 263 1.79      
22 A" 3166 3003 37.46      
23 A" 3025 2869 18.66      
24 A" 1520 1442 5.05      
25 A" 1471 1396 12.95      
26 A" 1412 1340 1.05      
27 A" 1385 1314 0.12      
28 A" 1362 1292 1.85      
29 A" 1278 1212 34.29      
30 A" 1254 1190 0.05      
31 A" 1118 1060 59.84      
32 A" 1058 1004 69.35      
33 A" 938 890 19.01      
34 A" 917 870 0.00      
35 A" 465 441 6.27      
36 A" 281 266 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 27447.0 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 26036.2 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 MP2=FULL/6-311G**
ABC
0.16875 0.16103 0.09292

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.630 -1.184 0.000
O2 0.016 -0.764 1.171
O3 0.016 -0.764 -1.171
C4 0.016 0.656 1.233
C5 0.016 0.656 -1.233
C6 0.700 1.231 0.000
H7 -0.612 -2.272 0.000
H8 -1.669 -0.806 0.000
H9 0.532 0.927 2.155
H10 -1.022 1.023 1.290
H11 0.532 0.927 -2.155
H12 -1.022 1.023 -1.290
H13 1.749 0.923 0.000
H14 0.649 2.326 0.000

Atom - Atom Distances (Å)
  C1 O2 O3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.40171.40172.30782.30782.75781.08801.10573.23342.58693.23342.58693.17803.7357
O21.40172.34231.42192.79272.41312.00972.05212.02412.07033.76743.21412.68753.3645
O31.40172.34232.79271.42192.41312.00972.05213.76743.21412.02412.07032.68753.3645
C42.30781.42192.79272.46671.52333.23892.54921.09091.10223.43852.75322.14392.1700
C52.30782.79271.42192.46671.52333.23892.54923.43852.75321.09091.10222.14392.1700
C62.75782.41312.41311.52331.52333.74123.12492.18322.16192.18322.16191.09321.0954
H71.08802.00972.00973.23893.23893.74121.80744.02373.56284.02373.56283.97264.7675
H81.10572.05212.05212.54922.54923.12491.80743.53482.33043.53482.33043.83053.8963
H93.23342.02413.76741.09093.43852.18324.02373.53481.78114.31073.78102.47522.5718
H102.58692.07033.21411.10222.75322.16193.56282.33041.78113.78102.58053.05822.4805
H113.23343.76742.02413.43851.09092.18324.02373.53484.31073.78101.78112.47522.5718
H122.58693.21412.07032.75321.10222.16193.56282.33043.78102.58051.78113.05822.4805
H133.17802.68752.68752.14392.14391.09323.97263.83052.47523.05822.47523.05821.7826
H143.73573.36453.36452.17002.17001.09544.76753.89632.57182.48052.57182.48051.7826

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 109.633 C1 O3 C5 109.633
O2 C1 O3 113.337 O2 C1 H7 106.976
O2 C1 H8 109.287 O2 C4 C6 109.989
O2 C4 H9 106.572 O2 C4 H10 109.566
O3 C1 H7 106.976 O3 C1 H8 109.287
O3 C5 C6 109.989 O3 C5 H11 106.572
O3 C5 H12 109.566 C4 C6 C5 108.124
C4 C6 H13 108.934 C4 C6 H14 110.865
C5 C6 H13 108.934 C5 C6 H14 110.865
C6 C4 H9 112.200 C6 C4 H10 109.823
C6 C5 H11 112.200 C6 C5 H12 109.823
H7 C1 H8 110.953 H9 C4 H10 108.612
H11 C5 H12 108.612 H13 C6 H14 109.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability