return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: TPSSh/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-343.715190
Energy at 298.15K 
HF Energy-343.715190
Nuclear repulsion energy270.265518
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 TPSSh/aug-cc-pVTZ
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 3143 3033 5.98      
2 A1 2941 2839 184.19      
3 A1 1520 1467 5.43      
4 A1 1237 1194 21.49      
5 A1 973 939 73.95      
6 A1 741 716 0.70      
7 A1 446 431 16.20      
8 A2 1394 1345 0.00      
9 A2 1242 1199 0.00      
10 A2 913 881 0.00      
11 E 3140 3030 27.20      
11 E 3140 3030 27.20      
12 E 2927 2826 22.07      
12 E 2927 2826 22.06      
13 E 1504 1452 1.32      
13 E 1504 1452 1.32      
14 E 1430 1380 17.49      
14 E 1430 1380 17.49      
15 E 1325 1279 1.18      
15 E 1325 1279 1.18      
16 E 1172 1131 201.49      
16 E 1172 1131 201.50      
17 E 1069 1031 72.33      
17 E 1069 1031 72.33      
18 E 941 908 61.09      
18 E 941 908 61.08      
19 E 517 499 7.79      
19 E 517 499 7.79      
20 E 290 280 0.03      
20 E 290 280 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 21590.4 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 20839.0 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 TPSSh/aug-cc-pVTZ
ABC
0.17549 0.17549 0.09768

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.329 0.184
C2 -1.151 -0.664 0.184
C3 1.151 -0.664 0.184
O4 -1.166 0.673 -0.269
O5 1.166 0.673 -0.269
O6 0.000 -1.347 -0.269
H7 0.000 2.331 -0.236
H8 0.000 1.354 1.287
H9 -2.018 -1.165 -0.236
H10 -1.173 -0.677 1.287
H11 2.018 -1.165 -0.236
H12 1.173 -0.677 1.287

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.30172.30171.41271.41272.71391.08621.10293.23592.57183.23592.5718
C22.30172.30171.41272.71391.41273.23592.57181.08631.10293.23592.5718
C32.30172.30172.71391.41271.41273.23592.57183.23592.57181.08631.1029
O41.41271.41272.71392.33282.33282.02672.06042.02672.06043.67753.1170
O51.41272.71391.41272.33282.33282.02672.06043.67753.11702.02672.0604
O62.71391.41271.41272.33282.33283.67753.11702.02672.06042.02672.0604
H71.08623.23593.23592.02672.02673.67751.80924.03653.56924.03653.5692
H81.10292.57182.57182.06042.06043.11701.80923.56922.34513.56922.3451
H93.23591.08633.23592.02673.67752.02674.03653.56921.80924.03653.5692
H102.57181.10292.57182.06043.11702.06043.56922.34511.80923.56922.3451
H113.23593.23591.08633.67752.02672.02674.03653.56924.03653.56921.8092
H122.57182.57181.10293.11702.06042.06043.56922.34513.56922.34511.8092

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 109.102 C1 O5 C3 109.102
C2 O6 C3 109.101 O4 C1 O5 111.305
O4 C1 H7 107.673 O4 C1 H8 109.359
O4 C2 O6 111.305 O4 C2 H9 107.673
O4 C2 H10 109.359 O5 C1 H7 107.673
O5 C1 H8 109.359 O5 C3 O6 111.305
O5 C3 H11 107.673 O5 C3 H12 109.359
O6 C2 H9 107.673 O6 C2 H10 109.359
O6 C3 H11 107.673 O6 C3 H12 109.359
H7 C1 H8 111.468 H9 C2 H10 111.468
H11 C3 H12 111.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.213      
2 C 0.213      
3 C 0.213      
4 O -0.553      
5 O -0.553      
6 O -0.553      
7 H 0.184      
8 H 0.156      
9 H 0.184      
10 H 0.156      
11 H 0.184      
12 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.025 2.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.684 0.000 0.000
y 0.000 7.684 0.000
z 0.000 0.000 6.645


<r2> (average value of r2) Å2
<r2> 126.687
(<r2>)1/2 11.256