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: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-154.451240
Energy at 298.15K-154.456156
HF Energy-154.451240
Nuclear repulsion energy74.996543
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 B3LYPultrafine/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 3827 3702 60.05      
2 A 3138 3036 35.55      
3 A 3096 2996 10.24      
4 A 3035 2936 17.16      
5 A 2945 2849 48.77      
6 A 1487 1439 1.60      
7 A 1463 1416 10.09      
8 A 1445 1398 17.33      
9 A 1395 1350 0.24      
10 A 1270 1229 114.26      
11 A 1204 1165 51.53      
12 A 1058 1023 34.49      
13 A 1019 986 4.77      
14 A 927 897 10.60      
15 A 538 520 17.66      
16 A 408 394 8.85      
17 A 364 352 121.37      
18 A 176 170 3.62      

Unscaled Zero Point Vibrational Energy (zpe) 14396.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 13928.7 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 B3LYPultrafine/aug-cc-pVTZ
ABC
1.55187 0.31444 0.27609

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.089 0.503 -0.093
C2 1.228 -0.163 0.011
O3 -1.170 -0.339 0.019
H4 -0.235 1.528 0.228
H5 1.311 -0.981 -0.709
H6 2.028 0.550 -0.187
H7 1.403 -0.595 1.007
H8 -1.985 0.171 -0.002

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.47961.37511.08402.13152.11972.15411.9271
C21.47962.40462.24731.09281.08961.09983.2304
O31.37512.40462.09862.66443.32582.76750.9615
H41.08402.24732.09863.09312.50082.79272.2263
H52.13151.09282.66443.09311.76931.76133.5625
H62.11971.08963.32582.50081.76931.76854.0352
H72.15411.09982.76752.79271.76131.76853.6165
H81.92713.23040.96152.22633.56254.03523.6165

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 111.016 C1 C2 H6 110.261
C1 C2 H7 112.417 C1 O3 H8 109.861
C2 C1 O3 114.727 C2 C1 H4 121.705
O3 C1 H4 116.672 H5 C2 H6 108.333
H5 C2 H7 106.889 H6 C2 H7 107.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.285      
2 C -0.482      
3 O -0.352      
4 H 0.353      
5 H 0.221      
6 H 0.201      
7 H 0.203      
8 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.458 1.148 0.313 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.737 -1.976 -0.106
y -1.976 -19.911 0.643
z -0.106 0.643 -20.901
Traceless
 xyz
x 4.669 -1.976 -0.106
y -1.976 -1.592 0.643
z -0.106 0.643 -3.077
Polar
3z2-r2-6.154
x2-y24.174
xy-1.976
xz-0.106
yz0.643


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.809 -0.144 0.080
y -0.144 4.985 -0.165
z 0.080 -0.165 4.485


<r2> (average value of r2) Å2
<r2> 51.859
(<r2>)1/2 7.201