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 C3H5ClO (Oxirane, (chloromethyl)-)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-652.295418
Energy at 298.15K-652.301454
Nuclear repulsion energy213.469840
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 PBEPBE/cc-pVDZ
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 3103 3085 25.55      
2 A 3082 3064 6.71      
3 A 3042 3024 12.05      
4 A 3013 2996 11.75      
5 A 3007 2989 19.87      
6 A 1464 1455 3.40      
7 A 1411 1403 5.93      
8 A 1378 1370 3.24      
9 A 1245 1238 14.82      
10 A 1212 1205 9.95      
11 A 1155 1148 4.52      
12 A 1112 1105 1.16      
13 A 1088 1082 0.94      
14 A 1069 1063 6.93      
15 A 1017 1011 0.60      
16 A 949 943 26.57      
17 A 849 844 14.64      
18 A 843 838 11.89      
19 A 801 796 11.49      
20 A 724 719 56.18      
21 A 397 395 0.07      
22 A 359 357 3.30      
23 A 201 200 10.66      
24 A 87 87 5.60      

Unscaled Zero Point Vibrational Energy (zpe) 16303.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 16209.1 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 PBEPBE/cc-pVDZ
ABC
0.43212 0.06617 0.06159

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.389 -0.731 -0.258
Cl2 -1.902 0.231 0.031
C3 0.777 -0.121 0.476
C4 1.657 0.858 -0.188
O5 2.069 -0.516 -0.027
H6 -0.201 -0.748 -1.348
H7 -0.599 -1.760 0.092
H8 0.687 -0.093 1.578
H9 1.430 1.171 -1.224
H10 2.207 1.593 0.426

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 O5 H6 H7 H8 H9 H10
C11.81641.50752.59212.47801.10641.10692.22232.80403.5518
Cl21.81642.73873.62074.04092.39922.38083.03393.68274.3476
C31.50752.73871.47411.44162.16282.17491.10612.23252.2330
C42.59213.62071.47411.44332.71593.46762.22811.10541.1046
O52.47804.04091.44161.44332.63572.94602.16012.16442.1619
H61.10642.39922.16282.71592.63571.80493.12752.52153.7983
H71.10692.38082.17493.46762.94601.80492.57763.80034.3859
H82.22233.03391.10612.22812.16013.12752.57763.16232.5463
H92.80403.68272.23251.10542.16442.52153.80033.16231.8715
H103.55184.34762.23301.10462.16193.79834.38592.54631.8715

picture of Oxirane, (chloromethyl)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.757 C1 C3 O5 114.319
C1 C3 H8 115.628 Cl2 C1 C3 110.622
Cl2 C1 H6 107.862 Cl2 C1 H7 106.523
C3 C1 H6 110.730 C3 C1 H7 111.672
C3 C4 O5 59.212 C3 C4 H9 119.182
C3 C4 H10 119.284 C3 O5 C4 61.460
C4 C3 O5 59.329 C4 C3 H8 118.738
O5 C3 H8 115.330 O5 C4 H9 115.612
O5 C4 H10 115.454 H6 C1 H7 109.270
H9 C4 H10 115.732
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 Cl -0.128      
3 C 0.011      
4 C 0.120      
5 O -0.241      
6 H 0.074      
7 H 0.089      
8 H 0.023      
9 H 0.041      
10 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.510 0.298 -0.057 0.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.403 3.830 0.311
y 3.830 -35.080 -0.173
z 0.311 -0.173 -34.935
Traceless
 xyz
x -7.396 3.830 0.311
y 3.830 3.589 -0.173
z 0.311 -0.173 3.806
Polar
3z2-r27.613
x2-y2-7.323
xy3.830
xz0.311
yz-0.173


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.210 0.197 -0.251
y 0.197 6.153 -0.072
z -0.251 -0.072 5.620


<r2> (average value of r2) Å2
<r2> 174.270
(<r2>)1/2 13.201