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All results from a given calculation for C3H6O3 (1,3,5-Trioxane)

using model chemistry: CCSD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-342.674972
Energy at 298.15K 
HF Energy-341.670825
Nuclear repulsion energy270.071238
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 CCSD/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3243 3028 7.39      
2 A1 3050 2848 165.55      
3 A1 1577 1473 2.75      
4 A1 1272 1188 23.47      
5 A1 1003 937 77.78      
6 A1 769 718 0.83      
7 A1 473 442 21.09      
8 A2 1427 1333 0.00      
9 A2 1277 1193 0.00      
10 A2 1045 976 0.00      
11 E 3240 3025 25.45      
11 E 3240 3025 25.45      
12 E 3035 2834 20.24      
12 E 3035 2834 20.24      
13 E 1557 1454 0.16      
13 E 1557 1454 0.16      
14 E 1476 1378 38.83      
14 E 1476 1378 38.83      
15 E 1359 1269 2.23      
15 E 1359 1269 2.23      
16 E 1229 1148 245.64      
16 E 1229 1148 245.63      
17 E 1105 1032 46.17      
17 E 1105 1032 46.17      
18 E 981 916 44.77      
18 E 981 916 44.77      
19 E 530 495 9.88      
19 E 530 495 9.88      
20 E 300 280 0.21      
20 E 300 280 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 22380.5 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 20898.9 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 CCSD/6-31+G**
ABC
0.17521 0.17521 0.09739

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.334 0.183
C2 -1.155 -0.667 0.183
C3 1.155 -0.667 0.183
O4 -1.166 0.673 -0.267
O5 1.166 0.673 -0.267
O6 0.000 -1.346 -0.267
H7 0.000 2.330 -0.246
H8 0.000 1.373 1.282
H9 -2.018 -1.165 -0.246
H10 -1.189 -0.687 1.282
H11 2.018 -1.165 -0.246
H12 1.189 -0.687 1.282

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.31022.31021.41331.41332.71721.08451.10043.24032.58963.24032.5896
C22.31022.31021.41332.71721.41333.24032.58961.08451.10043.24032.5896
C32.31022.31022.71721.41331.41333.24032.58963.24032.58961.08451.1004
O41.41331.41332.71722.33132.33132.02602.06142.02602.06143.67603.1296
O51.41332.71721.41332.33132.33132.02602.06143.67603.12962.02602.0614
O62.71721.41331.41332.33132.33133.67603.12962.02602.06142.02602.0614
H71.08453.24033.24032.02602.02603.67601.80314.03563.58474.03563.5847
H81.10042.58962.58962.06142.06143.12961.80313.58472.37863.58472.3786
H93.24031.08453.24032.02603.67602.02604.03563.58471.80314.03563.5847
H102.58961.10042.58962.06143.12962.06143.58472.37861.80313.58472.3786
H113.24033.24031.08453.67602.02602.02604.03563.58474.03563.58471.8031
H122.58962.58961.10043.12962.06142.06143.58472.37863.58472.37861.8031

picture of 1,3,5-Trioxane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C2 109.630 C1 O5 C3 109.630
C2 O6 C3 109.630 O4 C1 O5 111.126
O4 C1 H7 107.681 O4 C1 H8 109.552
O4 C2 O6 111.126 O4 C2 H9 107.681
O4 C2 H10 109.552 O5 C1 H7 107.681
O5 C1 H8 109.552 O5 C3 O6 111.126
O5 C3 H11 107.681 O5 C3 H12 109.552
O6 C2 H9 107.681 O6 C2 H10 109.552
O6 C3 H11 107.681 O6 C3 H12 109.552
H7 C1 H8 111.230 H9 C2 H10 111.230
H11 C3 H12 111.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability