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

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-342.762240
Energy at 298.15K 
HF Energy-341.701208
Nuclear repulsion energy269.056135
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 QCISD/aug-cc-pVDZ
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 3180 3080 6.59      
2 A1 2990 2896 159.22      
3 A1 1522 1475 4.70      
4 A1 1248 1209 21.13      
5 A1 985 954 68.43      
6 A1 754 731 0.59      
7 A1 475 460 18.37      
8 A2 1391 1347 0.00      
9 A2 1245 1206 0.00      
10 A2 1003 971 0.00      
11 E 3176 3077 26.90      
11 E 3176 3077 26.90      
12 E 2976 2883 20.63      
12 E 2976 2883 20.63      
13 E 1500 1453 0.60      
13 E 1500 1453 0.60      
14 E 1435 1390 25.16      
14 E 1435 1390 25.16      
15 E 1329 1287 2.58      
15 E 1329 1287 2.58      
16 E 1198 1160 229.27      
16 E 1198 1160 229.26      
17 E 1079 1045 45.66      
17 E 1079 1045 45.66      
18 E 964 934 42.58      
18 E 964 934 42.58      
19 E 528 511 7.94      
19 E 528 511 7.94      
20 E 300 291 0.12      
20 E 300 291 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 21879.1 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 21194.3 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 QCISD/aug-cc-pVDZ
ABC
0.17400 0.17400 0.09689

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.334 0.185
C2 -1.156 -0.667 0.185
C3 1.156 -0.667 0.185
O4 -1.170 0.676 -0.271
O5 1.170 0.676 -0.271
O6 0.000 -1.351 -0.271
H7 0.000 2.345 -0.240
H8 0.000 1.363 1.296
H9 -2.031 -1.173 -0.240
H10 -1.181 -0.682 1.296
H11 2.031 -1.173 -0.240
H12 1.181 -0.682 1.296

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.31112.31111.41811.41812.72411.09671.11203.25452.58713.25452.5871
C22.31112.31111.41812.72411.41813.25452.58711.09671.11203.25452.5871
C32.31112.31112.72411.41811.41813.25452.58713.25452.58711.09671.1120
O41.41811.41812.72412.34072.34072.03932.07332.03932.07333.69703.1345
O51.41812.72411.41812.34072.34072.03932.07333.69703.13452.03932.0733
O62.72411.41811.41812.34072.34073.69703.13452.03932.07332.03932.0733
H71.09673.25453.25452.03932.03933.69701.82354.06243.59414.06243.5941
H81.11202.58712.58712.07332.07333.13451.82353.59412.36123.59412.3612
H93.25451.09673.25452.03933.69702.03934.06243.59411.82354.06243.5941
H102.58711.11202.58712.07333.13452.07333.59412.36121.82353.59412.3612
H113.25453.25451.09673.69702.03932.03934.06243.59414.06243.59411.8235
H122.58712.58711.11203.13452.07332.07333.59412.36123.59412.36121.8235

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 109.143 C1 O5 C3 109.143
C2 O6 C3 109.143 O4 C1 O5 111.234
O4 C1 H7 107.682 O4 C1 H8 109.467
O4 C2 O6 111.234 O4 C2 H9 107.682
O4 C2 H10 109.466 O5 C1 H7 107.682
O5 C1 H8 109.467 O5 C3 O6 111.234
O5 C3 H11 107.682 O5 C3 H12 109.466
O6 C2 H9 107.683 O6 C2 H10 109.467
O6 C3 H11 107.683 O6 C3 H12 109.467
H7 C1 H8 111.296 H9 C2 H10 111.296
H11 C3 H12 111.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability