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

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-153.954496
Energy at 298.15K 
HF Energy-153.475153
Nuclear repulsion energy74.636254
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 QCISD/6-311G*
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 3664 4.93      
2 A' 3151 3017 9.61      
3 A' 3005 2877 64.49      
4 A' 1558 1491 0.73      
5 A' 1514 1449 6.41      
6 A' 1466 1404 2.37      
7 A' 1273 1219 79.65      
8 A' 1088 1042 87.60      
9 A' 1021 977 15.92      
10 A' 628 601 19.51      
11 A' 379 363 37.66      
12 A" 3258 3119 15.08      
13 A" 3041 2911 60.73      
14 A" 1320 1263 0.38      
15 A" 1192 1141 1.51      
16 A" 819 784 0.59      
17 A" 273 262 148.77      
18 A" 94i 90i 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 14359.1 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 13747.4 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 QCISD/6-311G*
ABC
1.24922 0.32818 0.28980

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.111 -0.363 0.000
C2 0.000 0.541 0.000
C3 1.263 -0.258 0.000
H4 -1.914 0.164 0.000
H5 -0.032 1.187 0.891
H6 -0.032 1.187 -0.891
H7 1.647 -0.666 -0.930
H8 1.647 -0.666 0.930

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43282.37650.96062.08862.08862.92722.9272
C21.43281.49421.95121.10111.10112.24412.2441
C32.37651.49423.20512.13522.13521.08631.0863
H40.96061.95123.20512.32022.32023.77373.7737
H52.08861.10112.13522.32021.78193.09402.5013
H62.08861.10112.13522.32021.78192.50133.0940
H72.92722.24411.08633.77373.09402.50131.8609
H82.92722.24411.08633.77372.50133.09401.8609

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 108.553 O1 C2 H5 110.342
O1 C2 H6 110.342 C2 O1 H4 107.584
C2 C3 H7 119.999 C2 C3 H8 119.999
C3 C2 H5 109.790 C3 C2 H6 109.790
H5 C2 H6 108.019 H7 C3 H8 117.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-153.955746
Energy at 298.15K-153.960414
HF Energy-153.476181
Nuclear repulsion energy74.894770
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 QCISD/6-311G*
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 3853 3689 9.79      
2 A 3273 3134 8.65      
3 A 3160 3025 7.08      
4 A 2990 2863 65.00      
5 A 2931 2807 67.60      
6 A 1542 1476 3.76      
7 A 1505 1441 6.34      
8 A 1452 1390 0.55      
9 A 1312 1256 83.10      
10 A 1254 1200 9.60      
11 A 1147 1098 34.09      
12 A 1096 1049 31.07      
13 A 990 948 8.61      
14 A 885 847 14.16      
15 A 458 438 20.36      
16 A 393 376 56.26      
17 A 282 270 114.38      
18 A 149 143 24.29      

Unscaled Zero Point Vibrational Energy (zpe) 14335.0 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 13724.4 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 QCISD/6-311G*
ABC
1.32772 0.33449 0.28332

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.105 -0.383 -0.058
C2 -0.015 0.526 0.035
C3 1.251 -0.254 -0.019
H4 -1.909 0.112 0.106
H5 -0.075 1.101 0.981
H6 -0.043 1.265 -0.785
H7 2.195 0.245 -0.218
H8 1.250 -1.296 0.282

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.42252.35970.95912.08362.09053.36262.5478
C21.42251.48801.94071.10821.10392.24212.2317
C32.35971.48803.18422.14322.13701.08561.0848
H40.95911.94073.18422.26002.36804.11943.4630
H52.08361.10822.14322.26001.77392.70652.8263
H62.09051.10392.13702.36801.77392.52393.0602
H73.36262.24211.08564.11942.70652.52391.8753
H82.54782.23171.08483.46302.82633.06021.8753

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 108.318 O1 C2 H5 110.228
O1 C2 H6 111.056 C2 O1 H4 107.560
C2 C3 H7 120.386 C2 C3 H8 119.492
C3 C2 H5 110.429 C3 C2 H6 110.188
H5 C2 H6 106.630 H7 C3 H8 119.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability