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: CCD/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 CCD/cc-pVDZ
 hartrees
Energy at 0K-153.953240
Energy at 298.15K-153.958247
HF Energy-153.468648
Nuclear repulsion energy74.610373
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 CCD/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 3897 3728 52.15      
2 A 3169 3032 36.48      
3 A 3148 3012 26.91      
4 A 3119 2984 20.93      
5 A 3032 2901 31.31      
6 A 1500 1435 9.98      
7 A 1482 1418 13.17      
8 A 1469 1405 4.41      
9 A 1399 1338 0.61      
10 A 1320 1262 155.28      
11 A 1230 1177 19.57      
12 A 1078 1031 20.36      
13 A 1039 994 6.12      
14 A 945 904 9.83      
15 A 645 617 12.92      
16 A 411 393 9.36      
17 A 365 349 123.90      
18 A 183 175 3.48      

Unscaled Zero Point Vibrational Energy (zpe) 14714.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14077.0 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 CCD/cc-pVDZ
ABC
1.50333 0.31392 0.27515

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.099 0.512 -0.113
C2 1.232 -0.164 0.013
O3 -1.167 -0.346 0.024
H4 -0.231 1.532 0.282
H5 1.285 -1.033 -0.668
H6 2.046 0.535 -0.243
H7 1.410 -0.539 1.043
H8 -1.972 0.183 -0.005

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.49811.37681.10152.14702.14882.17221.9049
C21.49812.40522.25591.10491.10331.11043.2225
O31.37682.40522.11372.63853.34172.77750.9639
H41.10152.25592.11373.12692.54052.74962.2210
H52.14701.10492.63853.12691.79321.78543.5391
H62.14881.10333.34172.54051.79321.79224.0402
H72.17221.11042.77752.74961.78541.79223.6134
H81.90493.22250.96392.22103.53914.04023.6134

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 110.229 C1 C2 H6 110.464
C1 C2 H7 111.910 C1 O3 H8 107.637
C2 C1 O3 113.511 C2 C1 H4 119.630
O3 C1 H4 116.624 H5 C2 H6 108.598
H5 C2 H7 107.405 H6 C2 H7 108.117
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability