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

using model chemistry: CCSD/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/6-31G*
 hartrees
Energy at 0K-342.603599
Energy at 298.15K 
HF Energy-341.651777
Nuclear repulsion energy270.216529
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*
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 3198 3020 12.07      
2 A1 3007 2840 161.67      
3 A1 1581 1493 3.92      
4 A1 1281 1209 23.02      
5 A1 1015 958 81.93      
6 A1 775 732 0.91      
7 A1 479 452 22.67      
8 A2 1424 1344 0.00      
9 A2 1276 1205 0.00      
10 A2 1055 997 0.00      
11 E 3194 3016 32.56      
11 E 3194 3016 32.56      
12 E 2990 2824 19.07      
12 E 2990 2824 19.07      
13 E 1560 1473 0.14      
13 E 1560 1473 0.14      
14 E 1481 1398 39.95      
14 E 1481 1398 39.95      
15 E 1361 1285 2.09      
15 E 1361 1285 2.09      
16 E 1236 1167 241.55      
16 E 1236 1167 241.55      
17 E 1116 1054 43.20      
17 E 1116 1054 43.20      
18 E 995 940 32.70      
18 E 995 940 32.70      
19 E 536 506 10.21      
19 E 536 506 10.21      
20 E 303 287 0.18      
20 E 303 287 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 22315.6 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 21072.6 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*
ABC
0.17548 0.17548 0.09762

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.329 0.183
C2 -1.151 -0.665 0.183
C3 1.151 -0.665 0.183
O4 -1.166 0.673 -0.267
O5 1.166 0.673 -0.267
O6 0.000 -1.346 -0.267
H7 0.000 2.332 -0.245
H8 0.000 1.374 1.288
H9 -2.020 -1.166 -0.245
H10 -1.190 -0.687 1.288
H11 2.020 -1.166 -0.245
H12 1.190 -0.687 1.288

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30222.30221.41131.41132.71281.09041.10633.23862.58883.23862.5888
C22.30222.30221.41132.71281.41133.23862.58881.09041.10633.23862.5888
C32.30222.30222.71281.41131.41133.23862.58883.23862.58881.09041.1063
O41.41131.41132.71282.33142.33142.02782.06612.02782.06613.67823.1331
O51.41132.71281.41132.33142.33142.02782.06613.67823.13312.02782.0661
O62.71281.41131.41132.33142.33143.67823.13312.02782.06612.02782.0661
H71.09043.23863.23862.02782.02783.67821.80824.03943.58904.03943.5890
H81.10632.58882.58882.06612.06613.13311.80823.58902.37943.58902.3794
H93.23861.09043.23862.02783.67822.02784.03943.58901.80824.03943.5890
H102.58881.10632.58882.06613.13312.06613.58902.37941.80823.58902.3794
H113.23863.23861.09043.67822.02782.02784.03943.58904.03943.58901.8082
H122.58882.58881.10633.13312.06612.06613.58902.37943.58902.37941.8082

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 109.300 C1 O5 C3 109.300
C2 O6 C3 109.300 O4 C1 O5 111.374
O4 C1 H7 107.612 O4 C1 H8 109.707
O4 C2 O6 111.374 O4 C2 H9 107.612
O4 C2 H10 109.707 O5 C1 H7 107.612
O5 C1 H8 109.707 O5 C3 O6 111.374
O5 C3 H11 107.612 O5 C3 H12 109.707
O6 C2 H9 107.612 O6 C2 H10 109.707
O6 C3 H11 107.612 O6 C3 H12 109.707
H7 C1 H8 110.795 H9 C2 H10 110.795
H11 C3 H12 110.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability