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: TPSSh/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-154.451527
Energy at 298.15K-154.456452
HF Energy-154.451527
Nuclear repulsion energy74.866404
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 TPSSh/aug-cc-pVTZ
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 3796 3664 48.69      
2 A 3122 3013 45.92      
3 A 3097 2989 7.49      
4 A 3042 2936 18.23      
5 A 2947 2845 50.78      
6 A 1497 1444 1.32      
7 A 1474 1422 7.81      
8 A 1442 1392 17.25      
9 A 1394 1346 0.91      
10 A 1266 1222 100.42      
11 A 1195 1154 57.69      
12 A 1053 1016 32.86      
13 A 1019 984 6.28      
14 A 922 890 12.11      
15 A 571 551 18.31      
16 A 401 387 9.03      
17 A 353 341 115.27      
18 A 180 174 3.85      

Unscaled Zero Point Vibrational Energy (zpe) 14385.1 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 13884.5 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 TPSSh/aug-cc-pVTZ
ABC
1.53628 0.31424 0.27574

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.088 0.507 -0.101
C2 1.229 -0.165 0.012
O3 -1.170 -0.341 0.020
H4 -0.235 1.526 0.249
H5 1.302 -0.997 -0.693
H6 2.030 0.544 -0.206
H7 1.405 -0.576 1.018
H8 -1.983 0.176 0.002

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48281.38001.08702.13252.12112.15751.9265
C21.48282.40522.24851.09371.09121.10103.2301
O31.38002.40522.10102.65513.32762.77180.9639
H41.08702.24852.10103.10092.50982.77472.2234
H52.13251.09372.65513.10091.77271.76573.5569
H62.12111.09123.32762.50981.77271.77184.0354
H72.15751.10102.77182.77471.76571.77183.6169
H81.92653.23010.96392.22343.55694.03543.6169

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 110.816 C1 C2 H6 110.056
C1 C2 H7 112.396 C1 O3 H8 109.272
C2 C1 O3 114.268 C2 C1 H4 121.318
O3 C1 H4 116.280 H5 C2 H6 108.458
H5 C2 H7 107.122 H6 C2 H7 107.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.234      
2 C -0.141      
3 O -0.347      
4 H 0.209      
5 H 0.130      
6 H 0.119      
7 H 0.121      
8 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.445 1.133 0.337 1.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.835 -0.133 0.074
y -0.133 4.974 -0.161
z 0.074 -0.161 4.457


<r2> (average value of r2) Å2
<r2> 51.811
(<r2>)1/2 7.198