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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-342.857168
Energy at 298.15K 
HF Energy-341.688994
Nuclear repulsion energy272.073184
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/6-31G(2df,p)
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 3196 3022 8.31      
2 A1 3019 2854 136.35      
3 A1 1564 1479 4.45      
4 A1 1285 1215 22.28      
5 A1 1024 968 68.04      
6 A1 779 737 0.92      
7 A1 486 459 19.08      
8 A2 1433 1355 0.00      
9 A2 1285 1215 0.00      
10 A2 1059 1002 0.00      
11 E 3192 3018 30.12      
11 E 3192 3018 30.12      
12 E 3003 2839 18.24      
12 E 3003 2839 18.24      
13 E 1543 1459 0.94      
13 E 1543 1459 0.94      
14 E 1485 1404 30.67      
14 E 1485 1404 30.67      
15 E 1369 1294 2.16      
15 E 1369 1294 2.16      
16 E 1241 1173 237.65      
16 E 1241 1173 237.65      
17 E 1117 1056 34.80      
17 E 1117 1056 34.80      
18 E 1007 952 29.22      
18 E 1007 952 29.22      
19 E 541 512 8.34      
19 E 541 512 8.34      
20 E 308 291 0.12      
20 E 308 291 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 22370.8 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 21151.6 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/6-31G(2df,p)
ABC
0.17797 0.17797 0.09913

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.318 0.182
C2 -1.141 -0.659 0.182
C3 1.141 -0.659 0.182
O4 -1.157 0.668 -0.268
O5 1.157 0.668 -0.268
O6 0.000 -1.336 -0.268
H7 0.000 2.322 -0.235
H8 0.000 1.355 1.285
H9 -2.011 -1.161 -0.235
H10 -1.173 -0.677 1.285
H11 2.011 -1.161 -0.235
H12 1.173 -0.677 1.285

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28242.28241.40151.40152.69201.08771.10303.21902.56383.21902.5638
C22.28242.28241.40152.69201.40153.21902.56381.08771.10303.21902.5638
C32.28242.28242.69201.40151.40153.21902.56383.21902.56381.08771.1030
O41.40151.40152.69202.31462.31462.01882.05492.01882.05493.65843.1072
O51.40152.69201.40152.31462.31462.01882.05493.65843.10722.01882.0549
O62.69201.40151.40152.31462.31463.65843.10722.01882.05492.01882.0549
H71.08773.21903.21902.01882.01883.65841.80174.02173.56154.02173.5615
H81.10302.56382.56382.05492.05493.10721.80173.56152.34693.56152.3469
H93.21901.08773.21902.01883.65842.01884.02173.56151.80174.02173.5615
H102.56381.10302.56382.05493.10722.05493.56152.34691.80173.56152.3469
H113.21903.21901.08773.65842.01882.01884.02173.56154.02173.56151.8017
H122.56382.56381.10303.10722.05492.05493.56152.34693.56152.34691.8017

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 109.028 C1 O5 C3 109.028
C2 O6 C3 109.028 O4 C1 O5 111.329
O4 C1 H7 107.723 O4 C1 H8 109.688
O4 C2 O6 111.329 O4 C2 H9 107.723
O4 C2 H10 109.688 O5 C1 H7 107.723
O5 C1 H8 109.688 O5 C3 O6 111.329
O5 C3 H11 107.723 O5 C3 H12 109.688
O6 C2 H9 107.723 O6 C2 H10 109.688
O6 C3 H11 107.723 O6 C3 H12 109.688
H7 C1 H8 110.658 H9 C2 H10 110.658
H11 C3 H12 110.658
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability