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 CH3CHOHCH3 (Isopropyl alcohol)

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-193.811679
Energy at 298.15K-193.820730
HF Energy-193.133333
Nuclear repulsion energy134.247317
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/cc-pVDZ
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 3848 3692 15.15      
2 A 3157 3029 25.07      
3 A 3151 3023 52.18      
4 A 3144 3017 2.65      
5 A 3128 3001 33.62      
6 A 3063 2938 13.18      
7 A 3048 2924 22.81      
8 A 2998 2876 66.56      
9 A 1509 1447 4.40      
10 A 1500 1439 5.01      
11 A 1488 1428 3.49      
12 A 1481 1421 1.03      
13 A 1453 1394 18.81      
14 A 1421 1363 19.33      
15 A 1399 1342 1.73      
16 A 1382 1326 12.83      
17 A 1302 1249 58.23      
18 A 1208 1159 34.83      
19 A 1176 1129 12.41      
20 A 1115 1070 19.88      
21 A 995 955 31.03      
22 A 956 917 1.39      
23 A 929 892 0.05      
24 A 842 808 3.76      
25 A 484 465 7.69      
26 A 415 399 10.45      
27 A 360 345 1.59      
28 A 319 306 104.23      
29 A 276 265 1.43      
30 A 225 216 3.44      

Unscaled Zero Point Vibrational Energy (zpe) 23885.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 22915.6 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/cc-pVDZ
ABC
0.28847 0.26615 0.15850

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 0.045 0.368
C2 -1.202 -0.777 -0.104
C3 1.327 -0.556 -0.089
O4 -0.041 1.368 -0.167
H5 -0.007 0.084 1.480
H6 -2.150 -0.317 0.236
H7 -1.217 -0.822 -1.208
H8 -1.164 -1.807 0.295
H9 2.168 0.074 0.250
H10 1.458 -1.575 0.319
H11 1.356 -0.608 -1.193
H12 -0.880 1.755 0.113

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53141.52601.42791.11292.18532.17262.18922.16982.17922.16701.9405
C21.53142.53892.43962.16281.10691.10541.10553.49322.80932.78482.5611
C31.52602.53892.36272.15683.50052.79252.81391.10361.10471.10533.2027
O41.42792.43962.36272.08882.72952.69513.39942.59393.33842.62810.9659
H51.11292.16282.15682.08882.50993.08422.51372.49822.49953.07872.3285
H62.18531.10693.50052.72952.50991.79201.78724.33513.82183.79662.4330
H72.17261.10542.79252.69513.08421.79201.79813.79293.17112.58182.9155
H82.18921.10552.81393.39942.51371.78721.79813.82602.63263.16233.5776
H92.16983.49321.10362.59392.49824.33513.79293.82601.79591.79043.4838
H102.17922.80931.10473.33842.49953.82183.17112.63261.79591.79704.0741
H112.16702.78481.10532.62813.07873.79662.58183.16231.79041.79703.5055
H121.94052.56113.20270.96592.32852.43302.91553.57763.48384.07413.5055

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 110.816 C1 C2 H7 109.915
C1 C2 H8 111.216 C1 C3 H9 110.166
C1 C3 H10 110.849 C1 C3 H11 109.846
C1 O4 H12 106.725 C2 C1 C3 112.275
C2 C1 O4 111.007 C2 C1 H5 108.723
C3 C1 O4 106.187 C3 C1 H5 108.621
O4 C1 H5 109.980 H6 C2 H7 108.197
H6 C2 H8 107.769 H7 C2 H8 108.839
H9 C3 H10 108.826 H9 C3 H11 108.293
H10 C3 H11 108.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability