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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-192.491878
Energy at 298.15K-192.500879
HF Energy-192.044954
Nuclear repulsion energy132.679563
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 MP4/3-21G
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 3438 3334        
2 A 3120 3026        
3 A 3116 3022        
4 A 3109 3015        
5 A 3087 2994        
6 A 3040 2948        
7 A 3021 2930        
8 A 2979 2889        
9 A 1588 1540        
10 A 1574 1526        
11 A 1569 1521        
12 A 1561 1514        
13 A 1475 1430        
14 A 1458 1414        
15 A 1455 1411        
16 A 1413 1370        
17 A 1311 1272        
18 A 1220 1183        
19 A 1171 1136        
20 A 1101 1067        
21 A 986 957        
22 A 953 925        
23 A 942 913        
24 A 800 776        
25 A 461 447        
26 A 388 376        
27 A 359 348        
28 A 329 319        
29 A 268 260        
30 A 227 220        

Unscaled Zero Point Vibrational Energy (zpe) 23759.7 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 23042.1 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 MP4/3-21G
ABC
0.27929 0.26148 0.15493

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 0.025 0.393
C2 -1.246 -0.743 -0.113
C3 1.312 -0.616 -0.095
O4 0.025 1.396 -0.169
H5 -0.011 0.052 1.498
H6 -2.172 -0.261 0.237
H7 -1.239 -0.738 -1.212
H8 -1.235 -1.781 0.249
H9 2.164 -0.014 0.247
H10 1.408 -1.641 0.289
H11 1.311 -0.632 -1.193
H12 -0.815 1.845 0.125

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54751.54081.48191.10502.19472.16562.19152.17072.18472.16122.0112
C21.54752.56062.48912.18011.10141.09861.09913.50502.83002.77742.6346
C31.54082.56062.38912.17533.51742.78702.82131.09751.09881.09843.2597
O41.48192.48912.38912.14182.78222.69093.44312.59493.36802.61030.9968
H51.10502.18012.17532.14182.52153.07812.53272.50982.51753.07502.3976
H62.19471.10143.51742.78222.52151.78851.78524.34273.83673.78322.5083
H72.16561.09862.78702.69093.07811.78851.79503.77193.17372.55162.9392
H82.19151.09912.82133.44312.53271.78521.79503.83022.64663.14333.6521
H92.17073.50501.09752.59492.50984.34273.77193.83021.79421.78373.5131
H102.18472.83001.09883.36802.51753.83673.17372.64661.79421.79594.1373
H112.16122.77741.09842.61033.07503.78322.55163.14331.78371.79593.5198
H122.01122.63463.25970.99682.39762.50832.93923.65213.51314.13733.5198

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 110.770 C1 C2 H7 108.661
C1 C2 H8 110.652 C1 C3 H9 109.578
C1 C3 H10 110.601 C1 C3 H11 108.788
C1 O4 H12 106.827 C2 C1 C3 112.019
C2 C1 O4 110.478 C2 C1 H5 109.421
C3 C1 O4 104.423 C3 C1 H5 109.496
O4 C1 H5 110.932 H6 C2 H7 108.767
H6 C2 H8 108.441 H7 C2 H8 109.521
H9 C3 H10 109.559 H9 C3 H11 108.641
H10 C3 H11 109.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability