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 C3H8O2 (1,3-Propanediol)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-268.369350
Energy at 298.15K-268.379407
Nuclear repulsion energy192.047603
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 MP2/6-31G
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 3667 3509 12.60      
2 A 3595 3440 82.73      
3 A 3141 3005 44.94      
4 A 3128 2993 34.26      
5 A 3092 2958 49.43      
6 A 3058 2926 23.39      
7 A 3038 2906 39.93      
8 A 3019 2888 62.43      
9 A 1593 1524 1.76      
10 A 1580 1512 0.36      
11 A 1546 1479 6.10      
12 A 1481 1417 43.06      
13 A 1469 1405 50.10      
14 A 1437 1374 0.88      
15 A 1423 1361 4.05      
16 A 1331 1274 17.01      
17 A 1292 1237 2.14      
18 A 1226 1173 7.93      
19 A 1219 1166 57.99      
20 A 1161 1111 16.39      
21 A 1093 1046 16.23      
22 A 1047 1002 89.38      
23 A 951 909 2.50      
24 A 928 888 13.53      
25 A 906 866 18.64      
26 A 823 787 18.97      
27 A 588 563 224.16      
28 A 515 493 3.38      
29 A 383 367 4.82      
30 A 331 317 34.06      
31 A 290 278 114.87      
32 A 218 209 9.43      
33 A 112 107 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 25339.8 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 24245.2 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 MP2/6-31G
ABC
0.24398 0.13108 0.09423

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 1.065 -0.350
C2 1.318 0.486 0.150
C3 -1.244 0.438 0.332
H4 -0.095 0.906 -1.434
H5 0.004 2.153 -0.170
O6 1.259 -0.985 -0.049
O7 -1.518 -0.920 -0.156
H8 2.082 -1.415 0.257
H9 -0.667 -1.414 -0.138
H10 2.167 0.907 -0.409
H11 1.455 0.706 1.222
H12 -1.110 0.441 1.428
H13 -2.146 1.014 0.097

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 O6 O7 H8 H9 H10 H11 H12 H13
C11.53301.54281.09911.10292.42932.50003.30102.57322.18352.17832.18162.1830
C21.53302.56902.16472.14711.48483.17972.05122.76261.10041.10222.74373.5047
C31.54282.56902.15792.17952.90431.46873.80861.99603.52182.85471.10471.0954
H41.09912.16472.15791.77842.70682.64383.60432.71832.48373.08173.07202.5616
H51.10292.14712.17951.77843.38153.42904.15123.62972.50782.47712.59312.4482
O62.42931.48482.90432.70683.38152.77960.97831.97542.12842.12423.13473.9508
O72.50003.17971.46872.64383.42902.77963.65750.98394.12023.65782.12832.0485
H83.30102.05123.80863.60434.15120.97833.65752.77772.41672.41313.87374.8789
H92.57322.76261.99602.71833.62971.97540.98392.77773.67283.29352.46802.8522
H102.18351.10043.52182.48372.50782.12844.12022.41673.67281.79053.78514.3440
H112.17831.10222.85473.08172.47712.12423.65782.41313.29351.79052.58653.7853
H122.18162.74371.10473.07202.59313.13472.12833.87372.46803.78512.58651.7816
H132.18303.50471.09542.56162.44823.95082.04854.87892.85224.34403.78531.7816

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 107.212 C1 C2 H10 110.957
C1 C2 H11 110.443 C1 C3 O7 112.202
C1 C3 H12 109.874 C1 C3 H13 110.530
C2 C1 C3 113.277 C2 C1 H4 109.550
C2 C1 H5 107.978 C2 O6 H8 111.100
C3 C1 H4 108.360 C3 C1 H5 109.812
C3 O7 H9 107.285 H4 C1 H5 107.724
O6 C2 H10 109.941 O6 C2 H11 109.506
O7 C3 H12 110.803 O7 C3 H13 105.122
H10 C2 H11 108.766 H12 C3 H13 108.150
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability