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: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-652.710245
Energy at 298.15K-652.716438
Nuclear repulsion energy 
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 B1B95/aug-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 3230 3094 15.53      
2 A 3194 3059 4.87      
3 A 3166 3033 7.96      
4 A 3128 2996 19.52      
5 A 3119 2988 10.02      
6 A 1532 1467 6.06      
7 A 1469 1407 7.86      
8 A 1438 1378 2.87      
9 A 1297 1243 17.01      
10 A 1266 1213 8.08      
11 A 1205 1154 3.86      
12 A 1164 1115 1.90      
13 A 1146 1098 0.85      
14 A 1114 1067 7.01      
15 A 1063 1019 0.31      
16 A 997 955 33.08      
17 A 903 865 23.83      
18 A 878 841 2.76      
19 A 841 806 13.57      
20 A 766 734 55.15      
21 A 411 394 0.58      
22 A 370 354 3.15      
23 A 210 201 11.41      
24 A 88 84 6.64      

Unscaled Zero Point Vibrational Energy (zpe) 16996.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 16281.3 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 B1B95/aug-cc-pVDZ
ABC
0.44172 0.06759 0.06293

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.391 -0.726 -0.265
Cl2 -1.881 0.230 0.033
C3 0.764 -0.114 0.465
C4 1.646 0.846 -0.193
O5 2.044 -0.513 -0.011
H6 -0.207 -0.733 -1.342
H7 -0.593 -1.742 0.083
H8 0.671 -0.078 1.552
H9 1.443 1.133 -1.225
H10 2.194 1.571 0.408

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 O5 H6 H7 H8 H9 H10
C11.79571.49692.57372.45721.09201.09262.20192.78193.5223
Cl21.79572.70153.58723.99472.37082.35622.98503.66684.3056
C31.49692.70151.46071.42292.14262.15301.09102.20792.2106
C42.57373.58721.46071.42732.69163.43272.20231.09031.0893
O52.45723.99471.42291.42732.62432.91062.12522.13182.1301
H61.09202.37082.14262.69162.62431.78763.09382.49343.7590
H71.09262.35622.15303.43272.91061.78762.55393.75744.3407
H82.20192.98501.09102.20232.12523.09382.55393.12662.5193
H92.78193.66682.20791.09032.13182.49343.75743.12661.8499
H103.52234.30562.21061.08932.13013.75904.34072.51931.8499

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 120.953 C1 C3 O5 114.585
C1 C3 H8 115.709 Cl2 C1 C3 109.933
Cl2 C1 H6 107.875 Cl2 C1 H7 106.787
C3 C1 H6 110.734 C3 C1 H7 111.541
C3 C4 O5 59.023 C3 C4 H9 119.163
C3 C4 H10 119.488 C3 O5 C4 61.659
C4 C3 O5 59.318 C4 C3 H8 118.609
O5 C3 H8 114.779 O5 C4 H9 115.063
O5 C4 H10 114.987 H6 C1 H7 109.827
H9 C4 H10 116.152
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.020      
2 Cl -0.067      
3 C 1.086      
4 C 1.106      
5 O -0.609      
6 H -0.142      
7 H -0.035      
8 H -0.530      
9 H -0.423      
10 H -0.404      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.404 0.383 -0.102 0.566
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.349 4.477 0.295
y 4.477 -35.429 -0.238
z 0.295 -0.238 -35.027
Traceless
 xyz
x -8.121 4.477 0.295
y 4.477 3.759 -0.238
z 0.295 -0.238 4.362
Polar
3z2-r28.723
x2-y2-7.920
xy4.477
xz0.295
yz-0.238


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.495 0.068 -0.268
y 0.068 7.500 -0.036
z -0.268 -0.036 6.872


<r2> (average value of r2) Å2
<r2> 171.373
(<r2>)1/2 13.091