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All results from a given calculation for CH2CH2OH (2-hydroxy ethyl radical)

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C1 2A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-153.684450
Energy at 298.15K-153.689083
HF Energy-153.408647
Nuclear repulsion energy72.782276
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 MP2/SDD
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' 3628 3502 6.01      
2 A' 3175 3065 14.44      
3 A' 3036 2930 72.29      
4 A' 1553 1499 0.10      
5 A' 1514 1462 3.44      
6 A' 1447 1396 6.93      
7 A' 1233 1191 48.14      
8 A' 1046 1010 44.78      
9 A' 905 874 74.83      
10 A' 663 640 29.64      
11 A' 380 367 36.31      
12 A" 3305 3191 21.41      
13 A" 3099 2991 60.67      
14 A" 1306 1261 0.00      
15 A" 1173 1132 1.49      
16 A" 842 812 0.09      
17 A" 258 249 191.25      
18 A" 101 97 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 14331.8 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 13834.4 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 MP2/SDD
ABC
1.17270 0.31381 0.27512

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.126 -0.430 0.000
C2 0.000 0.574 0.000
C3 1.296 -0.209 0.000
H4 -1.995 0.039 0.000
H5 -0.077 1.208 0.902
H6 -0.077 1.208 -0.902
H7 1.692 -0.605 -0.937
H8 1.692 -0.605 0.937

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.50872.43200.98712.14452.14452.97462.9746
C21.50871.51392.06551.10541.10542.26492.2649
C32.43201.51393.30002.16922.16921.09161.0916
H40.98712.06553.30002.42092.42093.85793.8579
H52.14451.10542.16922.42091.80423.13002.5330
H62.14451.10542.16922.42091.80422.53303.1300
H72.97462.26491.09163.85793.13002.53301.8741
H82.97462.26491.09163.85792.53303.13001.8741

picture of 2-hydroxy ethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 107.147 O1 C2 H5 109.267
O1 C2 H6 109.267 C2 O1 H4 109.936
C2 C3 H7 119.869 C2 C3 H8 119.869
C3 C2 H5 110.861 C3 C2 H6 110.861
H5 C2 H6 109.390 H7 C3 H8 118.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-153.684386
Energy at 298.15K-153.688891
HF Energy-153.409521
Nuclear repulsion energy73.052493
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 MP2/SDD
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 3656 3529 7.65      
2 A 3317 3202 12.41      
3 A 3179 3068 13.78      
4 A 3047 2942 67.95      
5 A 2979 2876 70.17      
6 A 1542 1488 1.56      
7 A 1488 1436 5.72      
8 A 1443 1393 4.63      
9 A 1260 1216 47.62      
10 A 1205 1163 4.55      
11 A 1098 1060 3.68      
12 A 1057 1020 60.55      
13 A 965 931 9.47      
14 A 847 818 25.50      
15 A 444 429 41.73      
16 A 377 364 66.16      
17 A 258 249 159.97      
18 A 114 110 18.05      

Unscaled Zero Point Vibrational Energy (zpe) 14137.0 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 13646.4 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 MP2/SDD
ABC
1.24209 0.32004 0.26974

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.147 -0.376 -0.056
C2 0.007 0.545 0.036
C3 1.281 -0.272 -0.017
H4 -2.011 0.066 0.092
H5 -0.041 1.132 0.984
H6 -0.007 1.285 -0.792
H7 2.239 0.209 -0.228
H8 1.262 -1.321 0.278

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.47922.43060.98242.13932.14553.44022.6087
C21.47921.51452.07491.11571.11132.27262.2618
C32.43061.51453.31172.17292.16421.09201.0906
H40.98242.07493.31172.41052.50734.26473.5598
H52.13931.11572.17292.41051.78332.74232.8658
H62.14551.11132.16422.50731.78332.55343.0903
H73.44022.27261.09204.26472.74232.55341.8850
H82.60872.26181.09063.55982.86583.09031.8850

picture of 2-hydroxy ethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 108.562 O1 C2 H5 110.273
O1 C2 H6 111.040 C2 O1 H4 113.356
C2 C3 H7 120.490 C2 C3 H8 119.615
C3 C2 H5 110.488 C3 C2 H6 110.072
H5 C2 H6 106.405 H7 C3 H8 119.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability