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

using model chemistry: TPSSh/STO-3G

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/STO-3G
 hartrees
Energy at 0K-339.129318
Energy at 298.15K 
HF Energy-339.129318
Nuclear repulsion energy260.139158
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/STO-3G
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 3385 3385 6.50      
2 A1 3170 3170 63.31      
3 A1 1614 1614 3.15      
4 A1 1252 1252 5.21      
5 A1 957 957 22.15      
6 A1 694 694 6.55      
7 A1 463 463 11.39      
8 A2 1398 1398 0.00      
9 A2 1272 1272 0.00      
10 A2 1008 1008 0.00      
11 E 3380 3380 0.19      
11 E 3380 3380 0.19      
12 E 3168 3168 16.01      
12 E 3168 3168 16.01      
13 E 1610 1610 1.55      
13 E 1610 1610 1.55      
14 E 1497 1497 33.88      
14 E 1497 1497 33.88      
15 E 1361 1361 2.43      
15 E 1361 1361 2.43      
16 E 1157 1157 71.76      
16 E 1157 1157 71.76      
17 E 1080 1080 8.71      
17 E 1080 1080 8.71      
18 E 962 962 9.11      
18 E 962 962 9.11      
19 E 508 508 5.69      
19 E 508 508 5.69      
20 E 300 300 0.41      
20 E 300 300 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 22628.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22628.3 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 TPSSh/STO-3G
ABC
0.16224 0.16224 0.09110

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.349 0.210
C2 -1.168 -0.675 0.210
C3 1.168 -0.675 0.210
O4 -1.229 0.710 -0.304
O5 1.229 0.710 -0.304
O6 0.000 -1.420 -0.304
H7 0.000 2.397 -0.165
H8 0.000 1.343 1.336
H9 -2.076 -1.199 -0.165
H10 -1.163 -0.672 1.336
H11 2.076 -1.199 -0.165
H12 1.163 -0.672 1.336

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.33662.33661.47821.47822.81611.11341.12593.30762.58913.30762.5891
C22.33662.33661.47822.81611.47823.30762.58911.11341.12593.30762.5891
C32.33662.33662.81611.47821.47823.30762.58913.30762.58911.11341.1259
O41.47821.47822.81612.45892.45892.09232.14572.09232.14573.81933.2132
O51.47822.81611.47822.45892.45892.09232.14573.81933.21322.09232.1457
O62.81611.47821.47822.45892.45893.81933.21322.09232.14572.09232.1457
H71.11343.30763.30762.09232.09233.81931.83454.15183.60904.15183.6090
H81.12592.58912.58912.14572.14573.21321.83453.60902.32653.60902.3265
H93.30761.11343.30762.09233.81932.09234.15183.60901.83454.15183.6090
H102.58911.12592.58912.14573.21322.14573.60902.32651.83453.60902.3265
H113.30763.30761.11343.81932.09232.09234.15183.60904.15183.60901.8345
H122.58912.58911.12593.21322.14572.14573.60902.32653.60902.32651.8345

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 104.437 C1 O5 C3 104.437
C2 O6 C3 104.437 O4 C1 O5 112.558
O4 C1 H7 106.832 O4 C1 H8 110.238
O4 C2 O6 112.558 O4 C2 H9 106.832
O4 C2 H10 110.238 O5 C1 H7 106.832
O5 C1 H8 110.238 O5 C3 O6 112.558
O5 C3 H11 106.832 O5 C3 H12 110.238
O6 C2 H9 106.832 O6 C2 H10 110.238
O6 C3 H11 106.832 O6 C3 H12 110.238
H7 C1 H8 110.017 H9 C2 H10 110.017
H11 C3 H12 110.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.032      
2 C 0.032      
3 C 0.032      
4 O -0.179      
5 O -0.179      
6 O -0.179      
7 H 0.087      
8 H 0.059      
9 H 0.087      
10 H 0.059      
11 H 0.087      
12 H 0.059      


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 1.909 1.909
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 4.131 0.000 0.000
y 0.000 4.131 0.000
z 0.000 0.000 2.622


<r2> (average value of r2) Å2
<r2> 132.645
(<r2>)1/2 11.517