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: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-191.810487
Energy at 298.15K-191.817432
HF Energy-191.810487
Nuclear repulsion energy123.373765
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 PBE1PBE/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 3530 3388 1.13      
2 A 3299 3166 5.83      
3 A 3281 3149 1.74      
4 A 3197 3069 3.16      
5 A 3187 3059 7.42      
6 A 3153 3026 35.09      
7 A 1516 1455 9.55      
8 A 1485 1426 8.44      
9 A 1445 1387 1.94      
10 A 1309 1257 60.41      
11 A 1212 1164 0.52      
12 A 1202 1154 66.30      
13 A 1191 1143 5.27      
14 A 1155 1108 0.51      
15 A 1099 1055 6.50      
16 A 1071 1028 41.00      
17 A 985 946 10.46      
18 A 925 888 24.41      
19 A 843 809 9.21      
20 A 817 784 4.42      
21 A 773 742 4.42      
22 A 396 380 26.10      
23 A 374 359 13.05      
24 A 339 325 127.04      

Unscaled Zero Point Vibrational Energy (zpe) 18891.3 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 18131.8 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 PBE1PBE/3-21G*
ABC
0.55123 0.22703 0.19628

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.232 -0.003 0.495
C2 0.905 -0.753 -0.136
C3 0.902 0.773 -0.148
O4 -1.471 -0.111 -0.198
H5 -0.279 0.003 1.583
H6 1.608 -1.270 0.505
H7 0.657 -1.237 -1.073
H8 1.599 1.296 0.496
H9 0.679 1.242 -1.099
H10 -1.948 0.752 -0.093

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.50131.51661.42441.08872.23432.18492.24482.21841.9653
C21.50131.52622.46192.22061.08311.08332.25442.22643.2259
C31.51661.52622.53272.23212.25812.22631.08381.08382.8505
O41.42442.46192.53272.14633.36452.56153.44792.69530.9918
H51.08872.22062.23212.14632.51953.07762.52593.10582.4811
H62.23431.08312.25813.36452.51951.84312.56643.12164.1346
H72.18491.08332.22632.56153.07761.84313.12542.47873.4208
H82.24482.25441.08383.44792.52592.56643.12541.84253.6367
H92.21842.22641.08382.69533.10583.12162.47871.84252.8555
H101.96533.22592.85050.99182.48114.13463.42083.63672.8555

picture of Cyclopropanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.118 C1 C2 H6 118.762
C1 C2 H7 114.451 C1 C3 C2 59.127
C1 C3 H8 118.418 C1 C3 H9 116.100
C1 O4 H10 107.506 C2 C1 C3 60.755
C2 C1 O4 114.563 C2 C1 H5 117.153
C2 C3 H8 118.501 C2 C3 H9 116.054
C3 C1 O4 118.860 C3 C1 H5 116.955
C3 C2 H6 118.876 C3 C2 H7 116.083
O4 C1 H5 116.679 H6 C2 H7 116.586
H8 C3 H9 116.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.029      
2 C -0.454      
3 C -0.479      
4 O -0.560      
5 H 0.215      
6 H 0.230      
7 H 0.256      
8 H 0.226      
9 H 0.241      
10 H 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.354 1.494 0.715 1.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.537 -3.514 0.101
y -3.514 -24.120 -0.175
z 0.101 -0.175 -23.872
Traceless
 xyz
x -0.541 -3.514 0.101
y -3.514 0.084 -0.175
z 0.101 -0.175 0.457
Polar
3z2-r20.913
x2-y2-0.417
xy-3.514
xz0.101
yz-0.175


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.919 -0.279 0.194
y -0.279 4.580 0.021
z 0.194 0.021 4.165


<r2> (average value of r2) Å2
<r2> 73.859
(<r2>)1/2 8.594