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All results from a given calculation for CH3CHOH (1-hydroxy-ethyl radical)

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-154.027478
Energy at 298.15K-154.032485
HF Energy-153.514515
Nuclear repulsion energy74.957766
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 CCSD/TZVP
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 3892 3714 47.42      
2 A 3172 3028 49.94      
3 A 3150 3006 7.72      
4 A 3106 2965 19.69      
5 A 3022 2884 33.33      
6 A 1520 1450 2.41      
7 A 1491 1423 18.17      
8 A 1485 1417 7.26      
9 A 1426 1361 0.39      
10 A 1313 1253 119.26      
11 A 1229 1173 40.78      
12 A 1083 1034 28.92      
13 A 1058 1010 8.91      
14 A 945 902 10.04      
15 A 650 620 14.88      
16 A 420 401 10.12      
17 A 343 327 129.89      
18 A 186 178 7.12      

Unscaled Zero Point Vibrational Energy (zpe) 14744.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 14072.2 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 CCSD/TZVP
ABC
1.52963 0.31555 0.27690

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.092 0.510 -0.110
C2 1.228 -0.166 0.013
O3 -1.166 -0.342 0.024
H4 -0.228 1.516 0.275
H5 1.287 -1.013 -0.674
H6 2.031 0.533 -0.227
H7 1.398 -0.547 1.028
H8 -1.972 0.180 -0.008

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7 H8
C11.48731.37781.08642.12992.12572.15231.9118
C21.48732.40062.23991.09201.09081.09803.2185
O31.37782.40062.09692.63733.32402.76190.9606
H41.08642.23992.09693.09712.51432.73302.2152
H52.12991.09202.63733.09711.77231.76843.5337
H62.12571.09083.32402.51431.77231.77234.0242
H72.15231.09802.76192.73301.76841.77233.6003
H81.91183.21850.96062.21523.53374.02423.6003

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 110.388 C1 C2 H6 110.126
C1 C2 H7 111.834 C1 O3 H8 108.360
C2 C1 O3 113.774 C2 C1 H4 120.190
O3 C1 H4 116.128 H5 C2 H6 108.568
H5 C2 H7 107.694 H6 C2 H7 108.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability