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All results from a given calculation for C3H8O2 (1,3-Propanediol)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-268.986227
Energy at 298.15K-268.996272
Nuclear repulsion energy195.200932
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 QCISD/6-31G(2df,p)
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 3914 3708 31.34      
2 A 3870 3666 116.97      
3 A 3142 2977 25.15      
4 A 3124 2959 42.63      
5 A 3091 2928 47.23      
6 A 3080 2918 14.49      
7 A 3044 2884 47.35      
8 A 3016 2857 54.64      
9 A 1560 1478 2.37      
10 A 1547 1465 0.86      
11 A 1503 1424 73.00      
12 A 1495 1417 19.48      
13 A 1484 1406 6.65      
14 A 1427 1352 1.39      
15 A 1405 1331 0.12      
16 A 1334 1264 31.50      
17 A 1309 1240 3.73      
18 A 1253 1187 11.58      
19 A 1225 1161 49.46      
20 A 1159 1098 29.40      
21 A 1137 1077 51.29      
22 A 1127 1068 66.17      
23 A 987 935 1.91      
24 A 933 884 10.04      
25 A 927 878 1.90      
26 A 838 794 6.75      
27 A 532 504 139.81      
28 A 507 480 3.41      
29 A 389 369 3.78      
30 A 333 316 16.98      
31 A 283 268 64.78      
32 A 219 207 2.97      
33 A 103 97 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 25647.0 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 24298.0 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 QCISD/6-31G(2df,p)
ABC
0.25792 0.13188 0.09650

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.025 1.037 -0.351
C2 1.283 0.467 0.179
C3 -1.255 0.403 0.302
H4 -0.080 0.883 -1.432
H5 -0.025 2.116 -0.165
O6 1.302 -0.932 -0.096
O7 -1.493 -0.917 -0.136
H8 2.065 -1.314 0.338
H9 -0.649 -1.371 -0.069
H10 2.138 0.962 -0.299
H11 1.350 0.645 1.260
H12 -1.147 0.450 1.398
H13 -2.148 0.979 0.043

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.52171.53011.09411.09552.38822.45303.22012.50362.16432.15412.15852.1598
C21.52172.54222.15102.13281.42643.11751.95172.67841.09701.09842.71863.4715
C31.53012.54222.14972.16012.91261.41123.73861.91203.49072.78681.10171.0933
H41.09412.15102.14971.76972.64412.63003.54442.69542.49143.05843.05542.5420
H51.09552.13282.16011.76973.32583.36984.04833.54442.45492.46692.54452.4172
O62.38821.42642.91262.64413.32582.79500.95751.99982.08052.08153.18453.9464
O72.45303.11751.41122.63003.36982.79503.61120.96074.09093.53172.08342.0139
H83.22011.95173.73863.54444.04830.95753.61122.74512.36462.28063.81494.8057
H92.50362.67841.91202.69543.54441.99980.96072.74513.64173.13562.39132.7899
H102.16431.09703.49072.49142.45492.08054.09092.36463.64171.77543.73204.2989
H112.15411.09842.78683.05842.46692.08153.53172.28063.13561.77542.50863.7190
H122.15852.71861.10173.05542.54453.18452.08343.81492.39133.73202.50861.7655
H132.15983.47151.09332.54202.41723.94642.01394.80572.78994.29893.71901.7655

picture of 1,3-Propanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O6 108.162 C1 C2 H10 110.424
C1 C2 H11 109.539 C1 C3 O7 112.958
C1 C3 H12 109.115 C1 C3 H13 109.704
C2 C1 C3 112.814 C2 C1 H4 109.544
C2 C1 H5 108.057 C2 O6 H8 108.305
C3 C1 H4 108.865 C3 C1 H5 109.597
C3 O7 H9 105.862 H4 C1 H5 107.844
O6 C2 H10 110.391 O6 C2 H11 110.388
O7 C3 H12 111.413 O7 C3 H13 106.354
H10 C2 H11 107.939 H12 C3 H13 107.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability