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All results from a given calculation for CH3CHOHCH3 (Isopropyl alcohol)

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-192.442709
Energy at 298.15K-192.451769
HF Energy-192.046044
Nuclear repulsion energy133.175634
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 3497 3327 1.59      
2 A 3181 3026 23.36      
3 A 3177 3023 37.27      
4 A 3171 3017 0.81      
5 A 3149 2996 24.88      
6 A 3096 2945 8.58      
7 A 3079 2929 15.31      
8 A 3044 2896 50.58      
9 A 1612 1533 8.89      
10 A 1598 1520 4.73      
11 A 1592 1515 0.26      
12 A 1585 1508 1.43      
13 A 1496 1423 7.68      
14 A 1479 1407 2.99      
15 A 1474 1402 20.75      
16 A 1435 1365 11.24      
17 A 1325 1260 41.36      
18 A 1239 1178 30.85      
19 A 1189 1131 8.08      
20 A 1117 1063 24.49      
21 A 1003 954 0.78      
22 A 972 924 0.14      
23 A 958 911 39.19      
24 A 817 777 2.46      
25 A 469 446 9.32      
26 A 394 375 9.95      
27 A 366 348 1.01      
28 A 334 317 138.56      
29 A 275 262 1.03      
30 A 234 223 3.17      

Unscaled Zero Point Vibrational Energy (zpe) 24177.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 23000.4 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
0.28137 0.26347 0.15608

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)
C1 -0.002 0.024 0.392
C2 -1.242 -0.738 -0.113
C3 1.306 -0.615 -0.094
O4 0.028 1.391 -0.169
H5 -0.011 0.051 1.492
H6 -2.164 -0.256 0.237
H7 -1.236 -0.732 -1.207
H8 -1.235 -1.773 0.246
H9 2.155 -0.018 0.249
H10 1.400 -1.638 0.285
H11 1.305 -0.629 -1.188
H12 -0.806 1.844 0.126

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54101.53411.47801.10012.18562.15672.18392.16142.17642.15192.0077
C21.54102.55092.47982.17121.09711.09421.09473.49122.81932.76762.6297
C31.53412.55092.37992.16613.50352.77692.81231.09331.09451.09403.2489
O41.47802.47982.37992.13372.77152.68003.43142.58533.35592.59820.9936
H51.10012.17122.16612.13372.51073.06552.52562.49772.50993.06202.3896
H62.18561.09713.50352.77152.51071.78121.77804.32503.82233.76902.5036
H72.15671.09422.77692.68003.06551.78121.78673.75843.16122.54372.9324
H82.18391.09472.81233.43142.52561.77801.78673.81682.63863.13343.6439
H92.16143.49121.09332.58532.49774.32503.75843.81681.78731.77723.4996
H102.17642.81931.09453.35592.50993.82233.16122.63861.78731.78804.1248
H112.15192.76761.09402.59823.06203.76902.54373.13341.77721.78803.5071
H122.00772.62973.24890.99362.38962.50362.93243.64393.49964.12483.5071

picture of Isopropyl alcohol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.769 C1 C2 H7 108.667
C1 C2 H8 110.774 C1 C3 H9 109.557
C1 C3 H10 110.667 C1 C3 H11 108.773
C1 O4 H12 107.008 C2 C1 C3 112.103
C2 C1 O4 110.439 C2 C1 H5 109.457
C3 C1 O4 104.377 C3 C1 H5 109.526
O4 C1 H5 110.862 H6 C2 H7 108.750
H6 C2 H8 108.429 H7 C2 H8 109.419
H9 C3 H10 109.559 H9 C3 H11 108.684
H10 C3 H11 109.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability