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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-652.605565
Energy at 298.15K-652.611548
HF Energy-652.605565
Nuclear repulsion energy211.700981
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 BLYP/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 3103 3078 33.90      
2 A 3089 3064 8.90      
3 A 3048 3023 14.04      
4 A 3028 3003 11.80      
5 A 3021 2997 25.11      
6 A 1509 1497 1.44      
7 A 1475 1463 3.80      
8 A 1406 1394 4.77      
9 A 1276 1266 32.66      
10 A 1243 1233 4.82      
11 A 1179 1170 3.71      
12 A 1138 1128 0.88      
13 A 1110 1101 0.84      
14 A 1077 1068 3.72      
15 A 1040 1032 0.35      
16 A 945 938 23.60      
17 A 866 859 2.57      
18 A 815 808 24.57      
19 A 776 770 13.64      
20 A 686 680 66.22      
21 A 392 389 0.12      
22 A 355 352 3.52      
23 A 201 200 12.07      
24 A 88 87 6.50      

Unscaled Zero Point Vibrational Energy (zpe) 16431.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 16298.3 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 BLYP/6-31G*
ABC
0.43209 0.06444 0.06010

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.401 0.682 0.304
Cl2 -1.945 -0.217 -0.046
C3 0.769 0.057 -0.443
C4 1.753 -0.816 0.231
O5 2.075 0.560 -0.075
H6 -0.234 0.668 1.391
H7 -0.546 1.731 -0.002
H8 0.600 -0.075 -1.521
H9 1.622 -1.063 1.295
H10 2.294 -1.585 -0.341

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 O5 H6 H7 H8 H9 H10
C11.82011.52212.62482.50751.10041.10242.21472.84943.5796
Cl21.82012.75653.75644.09422.40252.39842.94533.90324.4635
C31.52212.75651.47771.44712.17802.17451.09962.23602.2423
C42.62483.75641.47771.44612.73863.43952.22461.10031.0999
O52.50754.09421.44711.44612.73742.87182.16122.17122.1722
H61.10042.40252.17802.73862.73741.77983.11932.53973.8035
H71.10242.39842.17453.43952.87181.77982.62393.76674.3788
H82.21472.94531.09962.22462.16123.11932.62393.15472.5572
H92.84943.90322.23601.10032.17122.53973.76673.15471.8444
H103.57964.46352.24231.09992.17223.80354.37882.55721.8444

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 122.080 C1 C3 O5 115.217
C1 C3 H8 114.319 Cl2 C1 C3 110.807
Cl2 C1 H6 108.156 Cl2 C1 H7 107.763
C3 C1 H6 111.285 C3 C1 H7 110.888
C3 C4 O5 59.318 C3 C4 H9 119.586
C3 C4 H10 120.183 C3 O5 C4 61.430
C4 C3 O5 59.252 C4 C3 H8 118.602
O5 C3 H8 115.454 O5 C4 H9 116.345
O5 C4 H10 116.465 H6 C1 H7 107.801
H9 C4 H10 113.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.354      
2 Cl -0.093      
3 C 0.133      
4 C -0.087      
5 O -0.407      
6 H 0.185      
7 H 0.191      
8 H 0.143      
9 H 0.143      
10 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.626 -0.337 0.115 0.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.163 -4.282 -0.248
y -4.282 -35.123 -0.147
z -0.248 -0.147 -34.909
Traceless
 xyz
x -8.147 -4.282 -0.248
y -4.282 3.913 -0.147
z -0.248 -0.147 4.234
Polar
3z2-r28.468
x2-y2-8.040
xy-4.282
xz-0.248
yz-0.147


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.254 -0.132 0.297
y -0.132 5.948 -0.108
z 0.297 -0.108 5.412


<r2> (average value of r2) Å2
<r2> 177.872
(<r2>)1/2 13.337