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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-153.144004
Energy at 298.15K-153.148041
Nuclear repulsion energy68.287095
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/LANL2DZ
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' 3650 3515 23.71      
2 A' 3288 3166 25.25      
3 A' 3253 3133 2.02      
4 A' 3160 3043 4.40      
5 A' 1639 1579 102.94      
6 A' 1469 1415 19.82      
7 A' 1351 1301 1.18      
8 A' 1318 1269 4.99      
9 A' 1071 1032 171.11      
10 A' 920 886 44.33      
11 A' 471 453 12.93      
12 A" 959 924 79.69      
13 A" 784 755 72.98      
14 A" 678 653 0.17      
15 A" 440 424 178.45      

Unscaled Zero Point Vibrational Energy (zpe) 12225.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 11774.3 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/LANL2DZ
ABC
1.91633 0.33008 0.28158

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.255 -0.075 0.000
C2 0.000 0.464 0.000
O3 -1.224 -0.257 0.000
H4 1.431 -1.155 0.000
H5 2.125 0.582 0.000
H6 -0.208 1.533 0.000
H7 -1.081 -1.232 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.36532.48551.09431.09042.17352.6065
C21.36531.42072.16072.12791.08912.0110
O32.48551.42072.80333.45242.05820.9854
H41.09432.16072.80331.87043.14822.5136
H51.09042.12793.45241.87042.51883.6834
H62.17351.08912.05823.14822.51882.8993
H72.60652.01100.98542.51363.68342.8993

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 126.277 C1 C2 H6 124.249
C2 C1 H4 122.534 C2 C1 H5 119.693
C2 O3 H7 112.129 O3 C2 H6 109.474
H4 C1 H5 117.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability