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

using model chemistry: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-342.835421
Energy at 298.15K 
HF Energy-341.774598
Nuclear repulsion energy271.292616
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/TZVP
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 3205 3059 7.08      
2 A1 3011 2873 168.61      
3 A1 1567 1495 3.10      
4 A1 1288 1230 24.08      
5 A1 1018 972 79.93      
6 A1 786 750 0.74      
7 A1 491 469 18.63      
8 A2 1453 1387 0.00      
9 A2 1297 1238 0.00      
10 A2 1043 996 0.00      
11 E 3202 3056 29.90      
11 E 3202 3056 29.90      
12 E 2995 2858 19.14      
12 E 2995 2858 19.14      
13 E 1549 1478 1.72      
13 E 1549 1478 1.72      
14 E 1508 1439 36.85      
14 E 1508 1439 36.85      
15 E 1379 1316 1.96      
15 E 1379 1316 1.96      
16 E 1237 1180 224.18      
16 E 1237 1180 224.17      
17 E 1117 1066 60.21      
17 E 1117 1066 60.22      
18 E 990 945 40.17      
18 E 990 945 40.17      
19 E 544 519 7.60      
19 E 544 519 7.60      
20 E 318 303 0.28      
20 E 318 303 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 22417.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 21395.0 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/TZVP
ABC
0.17688 0.17688 0.09844

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.324 0.183
C2 -1.147 -0.662 0.183
C3 1.147 -0.662 0.183
O4 -1.161 0.670 -0.268
O5 1.161 0.670 -0.268
O6 0.000 -1.340 -0.268
H7 0.000 2.325 -0.237
H8 0.000 1.360 1.284
H9 -2.013 -1.162 -0.237
H10 -1.178 -0.680 1.284
H11 2.013 -1.162 -0.237
H12 1.178 -0.680 1.284

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.29312.29311.40631.40632.70211.08521.10183.22672.57183.22672.5718
C22.29312.29311.40632.70211.40633.22672.57181.08521.10183.22672.5718
C32.29312.29312.70211.40631.40633.22672.57183.22672.57181.08521.1018
O41.40631.40632.70212.32162.32162.02152.05672.02152.05673.66543.1141
O51.40632.70211.40632.32162.32162.02152.05673.66543.11412.02152.0567
O62.70211.40631.40632.32162.32163.66543.11412.02152.05672.02152.0567
H71.08523.22673.22672.02152.02153.66541.80104.02673.56754.02673.5675
H81.10182.57182.57182.05672.05673.11411.80103.56752.35513.56752.3551
H93.22671.08523.22672.02153.66542.02154.02673.56751.80104.02673.5675
H102.57181.10182.57182.05673.11412.05673.56752.35511.80103.56752.3551
H113.22673.22671.08523.66542.02152.02154.02673.56754.02673.56751.8010
H122.57182.57181.10183.11412.05672.05673.56752.35513.56752.35511.8010

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 109.235 C1 O5 C3 109.235
C2 O6 C3 109.235 O4 C1 O5 111.268
O4 C1 H7 107.759 O4 C1 H8 109.581
O4 C2 O6 111.268 O4 C2 H9 107.759
O4 C2 H10 109.581 O5 C1 H7 107.759
O5 C1 H8 109.581 O5 C3 O6 111.268
O5 C3 H11 107.759 O5 C3 H12 109.581
O6 C2 H9 107.759 O6 C2 H10 109.581
O6 C3 H11 107.759 O6 C3 H12 109.581
H7 C1 H8 110.871 H9 C2 H10 110.871
H11 C3 H12 110.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability