return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-153.831521
Energy at 298.15K-153.835695
Nuclear repulsion energy70.646067
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 mPW1PW91/cc-pVTZ
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 3696 37.69      
2 A' 3270 3137 6.65      
3 A' 3207 3076 5.63      
4 A' 3167 3037 5.64      
5 A' 1725 1654 179.29      
6 A' 1450 1391 14.16      
7 A' 1365 1309 4.73      
8 A' 1335 1281 4.60      
9 A' 1137 1091 192.60      
10 A' 969 930 6.54      
11 A' 491 471 12.87      
12 A" 1008 967 29.39      
13 A" 838 804 71.04      
14 A" 724 694 0.84      
15 A" 473 453 96.33      

Unscaled Zero Point Vibrational Energy (zpe) 12505.1 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 11994.9 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 mPW1PW91/cc-pVTZ
ABC
2.04272 0.35553 0.30282

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.207 -0.111 0.000
C2 0.000 0.438 0.000
O3 -1.187 -0.207 0.000
H4 1.353 -1.184 0.000
H5 2.083 0.518 0.000
H6 -0.147 1.510 0.000
H7 -1.030 -1.154 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.32542.39581.08311.07862.11162.4684
C21.32541.35102.11192.08481.08251.8964
O32.39581.35102.72183.34992.00770.9604
H41.08312.11192.72181.85153.08342.3836
H51.07862.08483.34991.85152.44113.5341
H62.11161.08252.00773.08342.44112.8072
H72.46841.89640.96042.38363.53412.8072

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.063 C1 C2 H6 122.237
C2 C1 H4 122.215 C2 C1 H5 119.932
C2 O3 H7 109.087 O3 C2 H6 110.700
H4 C1 H5 117.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.327      
2 C 0.059      
3 O -0.259      
4 H 0.089      
5 H 0.107      
6 H 0.125      
7 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.415 -0.812 0.000 0.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.841 1.291 0.000
y 1.291 -14.319 0.000
z 0.000 0.000 -20.680
Traceless
 xyz
x -2.342 1.291 0.000
y 1.291 5.942 0.000
z 0.000 0.000 -3.600
Polar
3z2-r2-7.200
x2-y2-5.522
xy1.291
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.623 -0.312 0.000
y -0.312 4.226 0.000
z 0.000 0.000 2.683


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000