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: B2PLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-652.327517
Energy at 298.15K 
HF Energy-652.097100
Nuclear repulsion energy214.710369
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/6-31G*
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 3242 3077 23.06      
2 A 3208 3045 7.55      
3 A 3178 3017 10.33      
4 A 3150 2990 17.55      
5 A 3142 2982 11.69      
6 A 1573 1493 1.53      
7 A 1535 1457 6.28      
8 A 1476 1401 3.40      
9 A 1343 1274 32.78      
10 A 1303 1236 2.18      
11 A 1237 1174 4.21      
12 A 1193 1133 1.10      
13 A 1169 1110 0.85      
14 A 1132 1075 4.34      
15 A 1095 1039 0.10      
16 A 1002 951 26.54      
17 A 905 859 2.75      
18 A 880 835 20.97      
19 A 828 786 15.21      
20 A 765 726 59.63      
21 A 414 393 0.12      
22 A 375 356 4.00      
23 A 214 203 12.60      
24 A 92 87 7.37      

Unscaled Zero Point Vibrational Energy (zpe) 17224.8 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 16349.8 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 B2PLYP/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.390 -0.718 -0.266
Cl2 -1.898 0.226 0.033
C3 0.769 -0.103 0.468
C4 1.663 0.848 -0.195
O5 2.055 -0.524 -0.008
H6 -0.203 -0.723 -1.340
H7 -0.578 -1.737 0.072
H8 0.671 -0.065 1.552
H9 1.466 1.138 -1.225
H10 2.214 1.573 0.399

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 O5 H6 H7 H8 H9 H10
C11.80451.50342.58272.46621.08951.09002.20412.79413.5309
Cl21.80452.72233.62154.02392.37872.36572.99853.70534.3417
C31.50342.72231.46411.43432.14442.15431.08872.21202.2136
C42.58273.62151.46411.43982.69463.43162.20631.08781.0870
O52.46624.02391.43431.43982.62962.90042.13502.14292.1418
H61.08952.37872.14442.69462.62961.77813.09182.50263.7598
H71.09002.36572.15433.43162.90041.77812.55873.75844.3422
H82.20412.99851.08872.20632.13503.09182.55873.12862.5275
H92.79413.70532.21201.08782.14292.50263.75843.12861.8401
H103.53094.34172.21361.08702.14183.75984.34222.52751.8401

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 120.984 C1 C3 O5 114.149
C1 C3 H8 115.558 Cl2 C1 C3 110.436
Cl2 C1 H6 108.001 Cl2 C1 H7 107.037
C3 C1 H6 110.568 C3 C1 H7 111.337
C3 C4 O5 59.191 C3 C4 H9 119.449
C3 C4 H10 119.659 C3 O5 C4 61.247
C4 C3 O5 59.562 C4 C3 H8 118.860
O5 C3 H8 114.911 O5 C4 H9 115.235
O5 C4 H10 115.199 H6 C1 H7 109.339
H9 C4 H10 115.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 Cl -0.089      
3 C 0.111      
4 C -0.100      
5 O -0.495      
6 H 0.214      
7 H 0.219      
8 H 0.186      
9 H 0.173      
10 H 0.177      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.592 0.086 -0.325
y 0.086 5.732 -0.116
z -0.325 -0.116 5.211


<r2> (average value of r2) Å2
<r2> 173.354
(<r2>)1/2 13.166