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

using model chemistry: CCSD(T)/6-311G**

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)/6-311G**
 hartrees
Energy at 0K-342.835478
Energy at 298.15K 
HF Energy-341.741039
Nuclear repulsion energy270.684086
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)/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3170 3058        
2 A1 2973 2868        
3 A1 1540 1486        
4 A1 1263 1219        
5 A1 1015 979        
6 A1 769 741        
7 A1 487 470        
8 A2 1420 1369        
9 A2 1272 1227        
10 A2 1002 966        
11 E 3167 3055        
11 E 3167 3055        
12 E 2955 2851        
12 E 2955 2851        
13 E 1523 1469        
13 E 1523 1469        
14 E 1475 1423        
14 E 1475 1423        
15 E 1355 1307        
15 E 1355 1307        
16 E 1213 1170        
16 E 1213 1170        
17 E 1096 1057        
17 E 1096 1057        
18 E 983 949        
18 E 983 949        
19 E 531 512        
19 E 531 512        
20 E 311 300        
20 E 310 299        

Unscaled Zero Point Vibrational Energy (zpe) 22062.5 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 21283.7 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)/6-311G**
ABC
0.17610 0.17610 0.09814

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.322 0.184
C2 -1.145 -0.661 0.184
C3 1.145 -0.661 0.184
O4 -1.166 0.673 -0.271
O5 1.166 0.673 -0.271
O6 0.000 -1.346 -0.271
H7 0.000 2.329 -0.233
H8 0.000 1.348 1.292
H9 -2.017 -1.165 -0.233
H10 -1.167 -0.674 1.292
H11 2.017 -1.165 -0.233
H12 1.167 -0.674 1.292

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28952.28951.40981.40982.70681.09011.10753.22862.56343.22862.5634
C22.28952.28951.40982.70681.40983.22862.56341.09011.10753.22862.5634
C32.28952.28952.70681.40981.40983.22862.56343.22862.56341.09011.1075
O41.40981.40982.70682.33202.33202.02552.06302.02552.06303.67563.1144
O51.40982.70681.40982.33202.33202.02552.06303.67563.11442.02552.0630
O62.70681.40981.40982.33202.33203.67563.11442.02552.06302.02552.0630
H71.09013.22863.22862.02552.02553.67561.81284.03393.56414.03393.5641
H81.10752.56342.56342.06302.06303.11441.81283.56412.33443.56412.3344
H93.22861.09013.22862.02553.67562.02554.03393.56411.81284.03403.5641
H102.56341.10752.56342.06303.11442.06303.56412.33441.81283.56412.3344
H113.22863.22861.09013.67562.02552.02554.03393.56414.03403.56411.8128
H122.56342.56341.10753.11442.06302.06303.56412.33443.56412.33441.8128

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 108.581 C1 O5 C3 108.581
C2 O6 C3 108.581 O4 C1 O5 111.597
O4 C1 H7 107.551 O4 C1 H8 109.487
O4 C2 O6 111.596 O4 C2 H9 107.551
O4 C2 H10 109.487 O5 C1 H7 107.551
O5 C1 H8 109.487 O5 C3 O6 111.596
O5 C3 H11 107.551 O5 C3 H12 109.487
O6 C2 H9 107.551 O6 C2 H10 109.487
O6 C3 H11 107.551 O6 C3 H12 109.487
H7 C1 H8 111.152 H9 C2 H10 111.152
H11 C3 H12 111.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability