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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-153.394950
Energy at 298.15K-153.399090
Nuclear repulsion energy69.794651
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3832 3676 31.64      
2 A' 3288 3154 9.04      
3 A' 3229 3098 6.80      
4 A' 3177 3048 5.51      
5 A' 1736 1666 140.42      
6 A' 1456 1397 17.74      
7 A' 1381 1325 1.04      
8 A' 1332 1278 5.26      
9 A' 1142 1096 169.34      
10 A' 968 928 9.19      
11 A' 485 465 13.54      
12 A" 997 956 29.87      
13 A" 811 778 52.66      
14 A" 712 683 0.06      
15 A" 460 441 105.96      

Unscaled Zero Point Vibrational Energy (zpe) 12502.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11994.6 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/cc-pVDZ
ABC
1.99211 0.34686 0.29542

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.222 -0.123 0.000
C2 0.000 0.443 0.000
O3 -1.205 -0.200 0.000
H4 1.358 -1.212 0.000
H5 2.114 0.508 0.000
H6 -0.140 1.531 0.000
H7 -1.024 -1.150 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.34682.42781.09741.09312.14212.4692
C21.34681.36572.14142.11481.09611.8942
O32.42781.36572.75573.39332.03180.9679
H41.09742.14142.75571.87933.12512.3826
H51.09312.11483.39331.87932.47443.5490
H62.14211.09612.03183.12512.47442.8229
H72.46921.89420.96792.38263.54902.8229

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.030 C1 C2 H6 122.203
C2 C1 H4 122.020 C2 C1 H5 119.810
C2 O3 H7 107.299 O3 C2 H6 110.767
H4 C1 H5 118.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability