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

using model chemistry: CCSD(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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-342.681515
Energy at 298.15K 
HF Energy-341.660013
Nuclear repulsion energy269.897873
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(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 3217 3051        
2 A1 3020 2865        
3 A1 1575 1494        
4 A1 1271 1205        
5 A1 1017 965        
6 A1 762 723        
7 A1 477 453        
8 A2 1415 1342        
9 A2 1266 1201        
10 A2 999 948        
11 E 3213 3047        
11 E 3213 3047        
12 E 3003 2848        
12 E 3003 2848        
13 E 1554 1474        
13 E 1554 1474        
14 E 1473 1397        
14 E 1473 1397        
15 E 1352 1282        
15 E 1351 1282        
16 E 1214 1151        
16 E 1214 1151        
17 E 1102 1045        
17 E 1102 1045        
18 E 978 927        
18 E 977 927        
19 E 528 501        
19 E 527 500        
20 E 303 288        
20 E 302 287        

Unscaled Zero Point Vibrational Energy (zpe) 22226.9 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 21082.2 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 CCSD(T)/6-31G**
ABC
0.17498 0.17498 0.09742

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.329 0.185
C2 -1.151 -0.664 0.185
C3 1.151 -0.664 0.185
O4 -1.169 0.675 -0.271
O5 1.169 0.675 -0.271
O6 0.000 -1.350 -0.271
H7 0.000 2.332 -0.232
H8 0.000 1.359 1.288
H9 -2.020 -1.166 -0.232
H10 -1.177 -0.680 1.288
H11 2.020 -1.166 -0.232
H12 1.177 -0.680 1.288

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30132.30131.41491.41492.71731.08651.10293.23662.57573.23662.5757
C22.30132.30131.41492.71731.41493.23662.57571.08651.10293.23662.5757
C32.30132.30132.71731.41491.41493.23662.57573.23662.57571.08651.1029
O41.41491.41492.71732.33842.33842.02832.06482.02832.06483.68233.1254
O51.41492.71731.41492.33842.33842.02832.06483.68233.12542.02832.0648
O62.71731.41491.41492.33842.33843.68233.12542.02832.06482.02832.0648
H71.08653.23663.23662.02832.02833.68231.80414.03913.57264.03913.5726
H81.10292.57572.57572.06482.06483.12541.80413.57262.35423.57262.3542
H93.23661.08653.23662.02833.68232.02834.03913.57261.80414.03913.5726
H102.57571.10292.57572.06483.12542.06483.57262.35421.80413.57262.3542
H113.23663.23661.08653.68232.02832.02834.03913.57264.03913.57261.8041
H122.57572.57571.10293.12542.06482.06483.57262.35423.57262.35421.8041

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 108.824 C1 O5 C3 108.824
C2 O6 C3 108.824 O4 C1 O5 111.450
O4 C1 H7 107.637 O4 C1 H8 109.560
O4 C2 O6 111.450 O4 C2 H9 107.637
O4 C2 H10 109.560 O5 C1 H7 107.637
O5 C1 H8 109.560 O5 C3 O6 111.450
O5 C3 H11 107.637 O5 C3 H12 109.560
O6 C2 H9 107.637 O6 C2 H10 109.560
O6 C3 H11 107.637 O6 C3 H12 109.560
H7 C1 H8 110.976 H9 C2 H10 110.976
H11 C3 H12 110.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability