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All results from a given calculation for C3H8O3 (1,2,3-Propanetriol)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-341.539930
Energy at 298.15K-341.550403
HF Energy-340.912466
Nuclear repulsion energy263.552692
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 MP2/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3556 3395 6.03      
2 A 3532 3371 1.20      
3 A 3471 3313 28.48      
4 A 3169 3025 20.10      
5 A 3160 3016 39.93      
6 A 3127 2985 25.95      
7 A 3084 2944 27.73      
8 A 3078 2938 38.33      
9 A 1621 1547 8.05      
10 A 1605 1532 8.57      
11 A 1501 1433 27.07      
12 A 1470 1403 44.68      
13 A 1461 1394 2.11      
14 A 1428 1363 25.24      
15 A 1369 1307 30.34      
16 A 1315 1255 19.08      
17 A 1264 1207 15.68      
18 A 1247 1190 1.25      
19 A 1211 1156 33.96      
20 A 1158 1105 4.03      
21 A 1089 1040 21.39      
22 A 1040 993 74.03      
23 A 1023 976 75.26      
24 A 981 936 10.11      
25 A 956 912 17.96      
26 A 834 796 18.23      
27 A 652 622 34.88      
28 A 598 571 143.05      
29 A 486 464 12.56      
30 A 399 381 13.18      
31 A 312 298 2.25      
32 A 273 261 103.64      
33 A 260 249 52.85      
34 A 248 236 128.43      
35 A 188 180 14.48      
36 A 113 108 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 26139.1 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 24949.8 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 MP2/3-21G
ABC
0.15460 0.09239 0.07085

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.461 -0.732 1.493
H2 0.031 -1.550 0.896
C3 -0.722 -0.788 0.685
H4 0.341 0.944 1.450
C5 -0.036 0.570 0.496
H6 1.571 1.417 -0.667
H7 0.715 0.044 -1.435
C8 1.123 0.432 -0.495
H9 2.775 -0.719 -0.516
O10 2.060 -0.516 0.139
H11 -1.938 -1.821 -0.576
O12 -1.385 -1.002 -0.628
H13 -1.551 0.980 -0.649
O14 -1.009 1.537 -0.025

Atom - Atom Distances (Å)
  H1 H2 C3 H4 C5 H6 H7 C8 H9 O10 H11 O12 H13 O14
H11.80331.09662.46142.17234.29823.72973.46124.68843.77822.38602.13982.74342.7672
H21.80331.09202.57342.15853.69012.90562.65563.19592.39952.47342.15163.36003.3855
C31.09661.09202.17201.53343.45662.69282.50653.69822.84792.03301.48612.36462.4483
H42.46142.57342.17201.09172.49343.04552.15773.54342.60844.11623.32952.82652.0859
C52.17232.15851.53341.09172.15692.13821.53113.25422.38733.23782.35691.94291.4677
H64.29823.69013.45662.49342.15691.79151.09632.45702.15044.77553.81953.15232.6613
H73.72972.90562.69283.04552.13821.79151.09592.38112.14423.35472.48052.57452.6820
C83.46122.65562.50652.15771.53111.09631.09592.01361.47533.80112.89132.73362.4472
H94.68843.19593.69823.54343.25422.45702.38112.01360.99104.84054.17084.64944.4332
O103.77822.39952.84792.60842.38732.15042.14421.47530.99104.26553.56193.98663.6959
H112.38602.47342.03304.11623.23784.77553.35473.80114.84054.26550.98982.82803.5276
O122.13982.15161.48613.32952.35693.81952.48052.89134.17083.56190.98981.98852.6369
H132.74343.36002.36462.82651.94293.15232.57452.73364.64943.98662.82801.98850.9974
O142.76723.38552.44832.08591.46772.66132.68202.44724.43323.69593.52762.63690.9974

picture of 1,2,3-Propanetriol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 110.965 H1 C3 C5 110.266
H1 C3 O12 110.998 H2 C3 C5 109.452
H2 C3 O12 112.243 C3 C5 H4 110.532
C3 C5 C8 109.749 C3 C5 O14 109.316
C3 O12 H11 108.731 H4 C5 C8 109.567
H4 C5 O14 108.283 C5 C3 O12 102.611
C5 C8 H6 109.238 C5 C8 H7 107.814
C5 C8 O10 105.119 C5 O14 H13 102.350
H6 C8 H7 109.613 H6 C8 O10 112.656
H7 C8 O10 112.169 C8 C5 O14 109.366
C8 O10 H9 107.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.181     0.027
2 H 0.206     0.049
3 C -0.156     0.094
4 H 0.211     0.041
5 C 0.007     0.283
6 H 0.181     0.019
7 H 0.182     0.013
8 C -0.131     0.175
9 H 0.349     0.425
10 O -0.578     -0.672
11 H 0.360     0.424
12 O -0.582     -0.627
13 H 0.357     0.404
14 O -0.586     -0.655


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.023 -2.783 -0.837 2.906
CHELPG        
AIM        
ESP 0.033 -2.795 -0.851 2.922


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.910 5.312 -3.412
y 5.312 -37.791 -0.109
z -3.412 -0.109 -35.710
Traceless
 xyz
x 5.840 5.312 -3.412
y 5.312 -4.480 -0.109
z -3.412 -0.109 -1.359
Polar
3z2-r2-2.719
x2-y26.880
xy5.312
xz-3.412
yz-0.109


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.181 0.099 0.168
y 0.099 5.608 -0.040
z 0.168 -0.040 5.290


<r2> (average value of r2) Å2
<r2> 173.132
(<r2>)1/2 13.158