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All results from a given calculation for C3H5ClO (Oxirane, (chloromethyl)-)

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-50.379438
Energy at 298.15K-50.385625
HF Energy-49.708243
Nuclear repulsion energy93.110129
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 MP2/CEP-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 3276 3111 24.97      
2 A 3229 3065 10.60      
3 A 3191 3029 9.62      
4 A 3161 3001 25.93      
5 A 3142 2983 19.10      
6 A 1558 1480 1.60      
7 A 1519 1443 6.51      
8 A 1465 1391 1.07      
9 A 1340 1272 33.60      
10 A 1286 1221 1.45      
11 A 1240 1177 3.64      
12 A 1176 1117 0.59      
13 A 1156 1098 1.66      
14 A 1122 1065 3.58      
15 A 1084 1029 0.10      
16 A 996 945 30.26      
17 A 899 853 2.32      
18 A 873 829 25.29      
19 A 821 779 17.70      
20 A 793 753 54.76      
21 A 412 391 0.55      
22 A 372 354 4.04      
23 A 216 205 13.78      
24 A 93 89 8.11      

Unscaled Zero Point Vibrational Energy (zpe) 17210.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16339.3 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 MP2/CEP-31G*
ABC
0.43341 0.06558 0.06123

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.399 -0.714 0.283
Cl2 1.909 0.226 -0.037
C3 -0.763 -0.091 -0.474
C4 -1.685 0.854 0.207
O5 -2.067 -0.542 -0.009
H6 0.209 -0.700 1.366
H7 0.578 -1.747 -0.055
H8 -0.659 -0.043 -1.567
H9 -1.499 1.122 1.254
H10 -2.250 1.578 -0.393

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 O5 H6 H7 H8 H9 H10
C11.80691.51992.60862.48861.10011.10132.23342.81383.5671
Cl21.80692.72563.65624.04902.39032.37983.00093.75274.3873
C31.51992.72561.48531.45592.16862.17141.09842.23642.2366
C42.60863.65621.48531.46292.71043.45702.23651.09741.0971
O52.48864.04901.45591.46292.66382.90632.15802.16532.1621
H61.10012.39032.16862.71042.66381.80323.12832.50023.7857
H71.10132.37982.17143.45702.90631.80322.59173.77614.3776
H82.23343.00091.09842.23652.15803.12832.59173.16572.5564
H92.81383.75272.23641.09742.16532.50023.77613.16571.8672
H103.56714.38732.23661.09712.16213.78574.37762.55641.8672

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 120.457 C1 C3 O5 113.478
C1 C3 H8 116.148 Cl2 C1 C3 109.727
Cl2 C1 H6 108.146 Cl2 C1 H7 107.327
C3 C1 H6 110.703 C3 C1 H7 110.855
C3 C4 O5 59.178 C3 C4 H9 119.214
C3 C4 H10 119.253 C3 O5 C4 61.178
C4 C3 O5 59.644 C4 C3 H8 119.141
O5 C3 H8 114.582 O5 C4 H9 114.745
O5 C4 H10 114.500 H6 C1 H7 109.984
H9 C4 H10 116.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability