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

using model chemistry: CCSD(T)/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(T)/6-31+G**
 hartrees
Energy at 0K-342.706272
Energy at 298.15K 
HF Energy-341.669257
Nuclear repulsion energy269.336062
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)/6-31+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 3224 3094        
2 A1 3024 2902        
3 A1 1561 1498        
4 A1 1257 1206        
5 A1 1004 963        
6 A1 755 724        
7 A1 473 454        
8 A2 1410 1353        
9 A2 1262 1211        
10 A2 986 946        
11 E 3221 3091        
11 E 3221 3091        
12 E 3010 2888        
12 E 3010 2888        
13 E 1542 1479        
13 E 1542 1479        
14 E 1458 1399        
14 E 1458 1399        
15 E 1344 1290        
15 E 1344 1289        
16 E 1205 1156        
16 E 1205 1156        
17 E 1088 1044        
17 E 1088 1044        
18 E 961 922        
18 E 960 922        
19 E 521 500        
19 E 521 500        
20 E 301 289        
20 E 300 288        

Unscaled Zero Point Vibrational Energy (zpe) 22127.9 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 21234.0 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)/6-31+G**
ABC
0.17423 0.17423 0.09694

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.335 0.185
C2 -1.157 -0.668 0.185
C3 1.157 -0.668 0.185
O4 -1.170 0.675 -0.270
O5 1.170 0.675 -0.270
O6 0.000 -1.351 -0.270
H7 0.000 2.335 -0.239
H8 0.000 1.366 1.287
H9 -2.022 -1.167 -0.239
H10 -1.183 -0.683 1.287
H11 2.022 -1.167 -0.239
H12 1.183 -0.683 1.287

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.31302.31301.41831.41832.72461.08601.10233.24562.58583.24562.5858
C22.31302.31301.41832.72461.41833.24562.58581.08601.10233.24562.5858
C32.31302.31302.72461.41831.41833.24562.58583.24562.58581.08601.1023
O41.41831.41832.72462.33992.33992.03072.06632.03072.06633.68603.1313
O51.41832.72461.41832.33992.33992.03072.06633.68603.13132.03072.0663
O62.72461.41831.41832.33992.33993.68603.13132.03072.06632.03072.0663
H71.08603.24563.24562.03072.03073.68601.80824.04433.58284.04433.5828
H81.10232.58582.58582.06632.06633.13131.80823.58282.36553.58282.3655
H93.24561.08603.24562.03073.68602.03074.04433.58281.80824.04433.5828
H102.58581.10232.58582.06633.13132.06633.58282.36551.80823.58282.3655
H113.24563.24561.08603.68602.03072.03074.04433.58284.04433.58281.8082
H122.58582.58581.10233.13132.06632.06633.58282.36553.58282.36551.8082

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 109.260 C1 O5 C3 109.260
C2 O6 C3 109.260 O4 C1 O5 111.157
O4 C1 H7 107.628 O4 C1 H8 109.489
O4 C2 O6 111.157 O4 C2 H9 107.628
O4 C2 H10 109.489 O5 C1 H7 107.628
O5 C1 H8 109.489 O5 C3 O6 111.157
O5 C3 H11 107.628 O5 C3 H12 109.489
O6 C2 H9 107.628 O6 C2 H10 109.489
O6 C3 H11 107.628 O6 C3 H12 109.489
H7 C1 H8 111.435 H9 C2 H10 111.435
H11 C3 H12 111.435
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability