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

using model chemistry: MP2/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 MP2/TZVP
 hartrees
Energy at 0K-342.800597
Energy at 298.15K-342.810501
HF Energy-341.773730
Nuclear repulsion energy271.081165
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 MP2/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 3227 3059 6.32      
2 A1 3017 2860 166.32      
3 A1 1556 1475 4.22      
4 A1 1273 1207 21.53      
5 A1 1008 956 79.42      
6 A1 772 732 0.49      
7 A1 497 471 17.77      
8 A2 1448 1373 0.00      
9 A2 1291 1224 0.00      
10 A2 1000 947 0.00      
11 E 3224 3056 24.88      
11 E 3224 3056 24.88      
12 E 3005 2848 19.71      
12 E 3005 2848 19.71      
13 E 1539 1459 2.01      
13 E 1539 1459 2.01      
14 E 1497 1419 29.09      
14 E 1497 1419 29.09      
15 E 1371 1300 1.24      
15 E 1371 1300 1.24      
16 E 1221 1157 207.86      
16 E 1221 1157 207.86      
17 E 1108 1051 74.83      
17 E 1108 1051 74.83      
18 E 974 923 51.06      
18 E 974 923 51.06      
19 E 536 508 7.77      
19 E 536 508 7.77      
20 E 323 306 0.21      
20 E 323 306 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 22342.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 21178.7 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 MP2/TZVP
ABC
0.17656 0.17656 0.09838

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.322 0.185
C2 -1.145 -0.661 0.185
C3 1.145 -0.661 0.185
O4 -1.164 0.672 -0.271
O5 1.164 0.672 -0.271
O6 0.000 -1.344 -0.271
H7 0.000 2.324 -0.229
H8 0.000 1.346 1.286
H9 -2.012 -1.162 -0.229
H10 -1.166 -0.673 1.286
H11 2.012 -1.162 -0.229
H12 1.166 -0.673 1.286

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.28912.28911.40871.40872.70421.08421.10143.22312.55943.22312.5594
C22.28912.28911.40872.70421.40873.22312.55941.08421.10143.22312.5594
C32.28912.28912.70421.40871.40873.22312.55943.22312.55941.08421.1014
O41.40871.40872.70422.32782.32782.02102.05742.02102.05743.66793.1081
O51.40872.70421.40872.32782.32782.02102.05743.66793.10812.02102.0574
O62.70421.40871.40872.32782.32783.66793.10812.02102.05742.02102.0574
H71.08423.22313.22312.02102.02103.66791.80314.02483.55464.02483.5546
H81.10142.55942.55942.05742.05743.10811.80313.55462.33173.55462.3317
H93.22311.08423.22312.02103.66792.02104.02483.55461.80314.02483.5546
H102.55941.10142.55942.05743.10812.05743.55462.33171.80313.55462.3317
H113.22313.22311.08423.66792.02102.02104.02483.55464.02483.55461.8031
H122.55942.55941.10143.10812.05742.05743.55462.33173.55462.33171.8031

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 108.682 C1 O5 C3 108.682
C2 O6 C3 108.682 O4 C1 O5 111.432
O4 C1 H7 107.620 O4 C1 H8 109.493
O4 C2 O6 111.432 O4 C2 H9 107.620
O4 C2 H10 109.493 O5 C1 H7 107.620
O5 C1 H8 109.493 O5 C3 O6 111.432
O5 C3 H11 107.620 O5 C3 H12 109.493
O6 C2 H9 107.620 O6 C2 H10 109.493
O6 C3 H11 107.620 O6 C3 H12 109.493
H7 C1 H8 111.167 H9 C2 H10 111.167
H11 C3 H12 111.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability