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: BLYP/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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-343.521097
Energy at 298.15K 
HF Energy-343.521097
Nuclear repulsion energy266.243373
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 BLYP/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 3076 3071 6.52      
2 A1 2872 2866 186.16      
3 A1 1452 1450 6.12      
4 A1 1184 1181 17.23      
5 A1 921 919 65.42      
6 A1 711 710 0.01      
7 A1 449 448 18.28      
8 A2 1330 1327 0.00      
9 A2 1185 1183 0.00      
10 A2 816 814 0.00      
11 E 3074 3068 24.24      
11 E 3074 3068 24.26      
12 E 2856 2850 27.59      
12 E 2856 2850 27.59      
13 E 1434 1431 1.30      
13 E 1434 1431 1.30      
14 E 1363 1360 13.38      
14 E 1363 1360 13.39      
15 E 1265 1263 0.39      
15 E 1265 1263 0.39      
16 E 1111 1109 150.29      
16 E 1111 1109 150.29      
17 E 1013 1011 90.80      
17 E 1013 1011 90.82      
18 E 874 872 71.28      
18 E 874 872 71.27      
19 E 503 502 6.80      
19 E 503 502 6.80      
20 E 282 282 0.09      
20 E 282 282 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 20773.1 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 20733.6 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 BLYP/aug-cc-pVDZ
ABC
0.17026 0.17026 0.09460

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.351 0.185
C2 -1.170 -0.676 0.185
C3 1.170 -0.676 0.185
O4 -1.184 0.684 -0.269
O5 1.184 0.684 -0.269
O6 0.000 -1.368 -0.269
H7 0.000 2.358 -0.260
H8 0.000 1.396 1.300
H9 -2.042 -1.179 -0.260
H10 -1.209 -0.698 1.300
H11 2.042 -1.179 -0.260
H12 1.209 -0.698 1.300

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 O6 H7 H8 H9 H10 H11 H12
C12.34082.34081.43341.43342.75681.10001.11603.28162.62753.28162.6275
C22.34082.34081.43342.75681.43343.28162.62751.10001.11603.28162.6275
C32.34082.34082.75681.43341.43343.28162.62753.28162.62751.10001.1160
O41.43341.43342.75682.36892.36892.05052.09082.05052.09083.72533.1777
O51.43342.75681.43342.36892.36892.05052.09083.72533.17772.05052.0908
O62.75681.43341.43342.36892.36893.72533.17772.05052.09082.05052.0908
H71.10003.28163.28162.05052.05053.72531.83274.08353.63724.08353.6372
H81.11602.62752.62752.09082.09083.17771.83273.63722.41723.63722.4172
H93.28161.10003.28162.05053.72532.05054.08353.63721.83274.08353.6372
H102.62751.11602.62752.09083.17772.09083.63722.41721.83273.63722.4172
H113.28163.28161.10003.72532.05052.05054.08353.63724.08353.63721.8327
H122.62752.62751.11603.17772.09082.09083.63722.41723.63722.41721.8327

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 109.473 C1 O5 C3 109.473
C2 O6 C3 109.473 O4 C1 O5 111.438
O4 C1 H7 107.333 O4 C1 H8 109.566
O4 C2 O6 111.438 O4 C2 H9 107.333
O4 C2 H10 109.566 O5 C1 H7 107.333
O5 C1 H8 109.566 O5 C3 O6 111.438
O5 C3 H11 107.333 O5 C3 H12 109.566
O6 C2 H9 107.333 O6 C2 H10 109.566
O6 C3 H11 107.333 O6 C3 H12 109.566
H7 C1 H8 111.584 H9 C2 H10 111.584
H11 C3 H12 111.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.357      
2 C 1.357      
3 C 1.357      
4 O -0.406      
5 O -0.406      
6 O -0.406      
7 H -0.584      
8 H -0.367      
9 H -0.584      
10 H -0.367      
11 H -0.584      
12 H -0.367      


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 1.984 1.984
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.862 0.000 0.000
y 0.000 -35.862 0.000
z 0.000 0.000 -36.870
Traceless
 xyz
x 0.504 0.000 0.000
y 0.000 0.504 0.000
z 0.000 0.000 -1.008
Polar
3z2-r2-2.017
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.243 0.000 0.000
y 0.000 8.244 0.000
z 0.000 0.000 7.118


<r2> (average value of r2) Å2
<r2> 130.521
(<r2>)1/2 11.425