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 CH3CHOH (1-hydroxy-ethyl radical)

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-154.251459
Energy at 298.15K-154.256435
HF Energy-154.091737
Nuclear repulsion energy74.682981
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 B2PLYP=FULL/aug-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 3842 3695 59.19      
2 A 3171 3050 40.92      
3 A 3142 3022 8.12      
4 A 3086 2969 16.89      
5 A 2994 2879 39.45      
6 A 1474 1418 2.55      
7 A 1453 1397 15.01      
8 A 1443 1388 11.42      
9 A 1377 1325 0.19      
10 A 1276 1227 109.19      
11 A 1202 1156 58.24      
12 A 1064 1023 23.51      
13 A 1014 975 4.40      
14 A 929 893 12.99      
15 A 581 559 17.03      
16 A 409 393 9.38      
17 A 385 370 118.72      
18 A 182 175 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 14511.1 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 13956.8 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
1.51913 0.31363 0.27495

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.089 0.511 -0.102
C2 1.230 -0.166 0.012
O3 -1.171 -0.342 0.022
H4 -0.234 1.533 0.255
H5 1.298 -1.005 -0.696
H6 2.038 0.543 -0.209
H7 1.403 -0.576 1.025
H8 -1.986 0.172 -0.006

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48681.38311.09262.13832.12932.16271.9293
C21.48682.40692.25621.09941.09731.10613.2333
O31.38312.40692.10892.65473.33592.77190.9639
H41.09262.25622.10893.11332.52112.77882.2336
H52.13831.09942.65473.11331.78341.77613.5556
H62.12931.09733.33592.52111.78341.78224.0454
H72.16271.10612.77192.77881.77611.78223.6198
H81.92933.23330.96392.23363.55564.04543.6198

picture of 1-hydroxy-ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.654 C1 C2 H6 110.059
C1 C2 H7 112.207 C1 O3 H8 109.275
C2 C1 O3 113.947 C2 C1 H4 121.261
O3 C1 H4 116.334 H5 C2 H6 108.551
H5 C2 H7 107.275 H6 C2 H7 107.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability