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

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-342.632718
Energy at 298.15K 
HF Energy-341.650084
Nuclear repulsion energy269.495701
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 QCISD(T)/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 A1 3176 3046        
2 A1 2976 2855        
3 A1 1566 1502        
4 A1 1267 1216        
5 A1 1013 972        
6 A1 761 730        
7 A1 480 461        
8 A2 1408 1351        
9 A2 1262 1210        
10 A2 998 957        
11 E 3172 3043        
11 E 3172 3043        
12 E 2959 2839        
12 E 2959 2839        
13 E 1545 1483        
13 E 1545 1483        
14 E 1464 1404        
14 E 1464 1404        
15 E 1346 1292        
15 E 1346 1291        
16 E 1212 1163        
16 E 1212 1162        
17 E 1101 1056        
17 E 1100 1056        
18 E 975 935        
18 E 975 935        
19 E 528 506        
19 E 527 506        
20 E 305 293        
20 E 304 292        

Unscaled Zero Point Vibrational Energy (zpe) 22058.7 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 21160.9 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 QCISD(T)/6-31G*
ABC
0.17453 0.17453 0.09719

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.330 0.185
C2 -1.152 -0.665 0.185
C3 1.152 -0.665 0.185
O4 -1.170 0.675 -0.271
O5 1.170 0.675 -0.271
O6 0.000 -1.351 -0.271
H7 0.000 2.337 -0.238
H8 0.000 1.366 1.293
H9 -2.024 -1.169 -0.238
H10 -1.183 -0.683 1.293
H11 2.024 -1.169 -0.238
H12 1.183 -0.683 1.293

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30442.30441.41611.41612.71981.09221.10873.24372.58453.24372.5845
C22.30442.30441.41612.71981.41613.24372.58451.09221.10873.24372.5845
C32.30442.30442.71981.41611.41613.24372.58453.24372.58451.09221.1087
O41.41611.41612.71982.33982.33982.03262.07142.03262.07143.68833.1345
O51.41612.71981.41612.33982.33982.03262.07143.68833.13452.03262.0714
O62.71981.41611.41612.33982.33983.68833.13452.03262.07142.03262.0714
H71.09223.24373.24372.03262.03263.68831.81364.04833.58674.04833.5867
H81.10872.58452.58452.07142.07143.13451.81363.58672.36533.58672.3653
H93.24371.09223.24372.03263.68832.03264.04833.58671.81364.04833.5867
H102.58451.10872.58452.07143.13452.07143.58672.36531.81363.58672.3653
H113.24373.24371.09223.68832.03262.03264.04833.58674.04833.58671.8136
H122.58452.58451.10873.13452.07142.07143.58672.36533.58672.36531.8136

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 108.905 C1 O5 C3 108.905
C2 O6 C3 108.905 O4 C1 O5 111.411
O4 C1 H7 107.562 O4 C1 H8 109.651
O4 C2 O6 111.411 O4 C2 H9 107.562
O4 C2 H10 109.651 O5 C1 H7 107.562
O5 C1 H8 109.651 O5 C3 O6 111.411
O5 C3 H11 107.562 O5 C3 H12 109.651
O6 C2 H9 107.562 O6 C2 H10 109.651
O6 C3 H11 107.562 O6 C3 H12 109.651
H7 C1 H8 110.976 H9 C2 H10 110.976
H11 C3 H12 110.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability