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 C3H5OH (Cyclopropanol)

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-191.753139
Energy at 298.15K-191.760097
HF Energy-191.623641
Nuclear repulsion energy122.901112
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 B2PLYP/3-21G
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 3482 3482 0.53      
2 A 3301 3301 8.59      
3 A 3284 3284 1.99      
4 A 3203 3203 3.93      
5 A 3193 3193 8.59      
6 A 3165 3165 35.52      
7 A 1538 1538 6.15      
8 A 1516 1516 4.94      
9 A 1451 1451 2.93      
10 A 1318 1318 60.80      
11 A 1227 1227 0.36      
12 A 1194 1194 4.89      
13 A 1182 1182 58.42      
14 A 1172 1172 0.90      
15 A 1118 1118 4.29      
16 A 1092 1092 28.97      
17 A 963 963 11.18      
18 A 917 917 22.71      
19 A 841 841 9.95      
20 A 816 816 3.48      
21 A 763 763 5.74      
22 A 396 396 25.44      
23 A 375 375 12.87      
24 A 341 341 121.81      

Unscaled Zero Point Vibrational Energy (zpe) 18923.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18923.5 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 B2PLYP/3-21G
ABC
0.54693 0.22494 0.19437

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.229 -0.003 0.499
C2 0.909 -0.757 -0.137
C3 0.906 0.777 -0.149
O4 -1.480 -0.111 -0.200
H5 -0.282 0.005 1.583
H6 1.613 -1.273 0.501
H7 0.663 -1.242 -1.071
H8 1.603 1.300 0.492
H9 0.683 1.247 -1.097
H10 -1.956 0.754 -0.093

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50641.52241.43651.08562.23752.19022.24842.22271.9758
C21.50641.53462.47502.22661.08071.08082.26042.23363.2392
C31.52241.53462.54642.23802.26332.23331.08131.08132.8628
O41.43652.47502.54642.15133.37692.57433.46022.70650.9935
H51.08562.22662.23802.15132.52853.08092.53443.10762.4845
H62.23751.08072.26333.37692.52851.83702.57233.12474.1467
H72.19021.08082.23332.57433.08091.83703.12862.48913.4349
H82.24842.26041.08133.46022.53442.57233.12861.83673.6478
H92.22272.23361.08132.70653.10763.12472.48911.83672.8661
H101.97583.23922.86280.99352.48454.14673.43493.64782.8661

picture of Cyclopropanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.072 C1 C2 H6 118.812
C1 C2 H7 114.682 C1 C3 C2 59.045
C1 C3 H8 118.452 C1 C3 H9 116.201
C1 O4 H10 107.394 C2 C1 C3 60.883
C2 C1 O4 114.475 C2 C1 H5 117.492
C2 C3 H8 118.536 C2 C3 H9 116.187
C3 C1 O4 118.742 C3 C1 H5 117.236
C3 C2 H6 118.830 C3 C2 H7 116.201
O4 C1 H5 116.386 H6 C2 H7 116.396
H8 C3 H9 116.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 C -0.401      
3 C -0.426      
4 O -0.554      
5 H 0.188      
6 H 0.203      
7 H 0.228      
8 H 0.199      
9 H 0.214      
10 H 0.341      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.381 1.478 0.729 1.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.850 -3.473 0.014
y -3.473 -24.342 -0.166
z 0.014 -0.166 -24.187
Traceless
 xyz
x -0.585 -3.473 0.014
y -3.473 0.176 -0.166
z 0.014 -0.166 0.409
Polar
3z2-r20.818
x2-y2-0.508
xy-3.473
xz0.014
yz-0.166


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.910 -0.288 0.208
y -0.288 4.562 0.022
z 0.208 0.022 4.140


<r2> (average value of r2) Å2
<r2> 74.528
(<r2>)1/2 8.633