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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-270.549493
Energy at 298.15K-270.558966
HF Energy-270.549493
Nuclear repulsion energy233.330525
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/TZVP
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 3025 3018 7.77      
2 A 3014 3007 25.72      
3 A 2961 2953 24.99      
4 A 2951 2943 3.30      
5 A 1726 1721 235.28      
6 A 1479 1476 1.50      
7 A 1420 1416 0.20      
8 A 1305 1302 0.22      
9 A 1270 1267 2.08      
10 A 1189 1186 0.09      
11 A 1139 1137 0.36      
12 A 998 996 0.76      
13 A 943 941 0.17      
14 A 861 859 0.42      
15 A 777 775 2.18      
16 A 684 683 2.35      
17 A 556 554 4.93      
18 A 222 221 0.16      
19 B 3026 3019 30.26      
20 B 3018 3011 31.77      
21 B 2968 2961 43.17      
22 B 2951 2943 6.90      
23 B 1468 1464 4.26      
24 B 1419 1415 18.78      
25 B 1309 1305 2.27      
26 B 1262 1259 3.46      
27 B 1221 1218 0.94      
28 B 1138 1135 0.25      
29 B 1090 1087 80.66      
30 B 942 939 11.20      
31 B 904 902 1.25      
32 B 813 811 13.28      
33 B 576 574 2.52      
34 B 459 458 2.98      
35 B 439 438 2.84      
36 B 104 104 5.07      

Unscaled Zero Point Vibrational Energy (zpe) 25812.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 25748.1 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 BLYP/TZVP
ABC
0.21748 0.10958 0.07855

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.152
C2 0.000 0.000 0.934
C3 0.000 1.251 0.031
C4 0.000 -1.251 0.031
C5 0.292 0.722 -1.392
C6 -0.292 -0.722 -1.392
H7 -1.007 1.696 0.093
H8 1.007 -1.696 0.093
H9 0.705 2.002 0.407
H10 -0.705 -2.002 0.407
H11 -0.139 1.349 -2.182
H12 0.139 -1.349 -2.182
H13 1.378 0.684 -1.562
H14 -1.378 -0.684 -1.562

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21822.46312.46313.62893.62892.85132.85132.74762.74764.54164.54164.02004.0200
C21.21821.54321.54322.45302.45302.14432.14432.18682.18683.39853.39852.93182.9318
C32.46311.54322.50211.54562.44981.10273.11521.09683.34972.21933.41682.18102.8596
C42.46311.54322.50212.44981.54563.11521.10273.34971.09683.41682.21932.85962.1810
C53.62892.45301.54562.44981.55742.20062.92682.24653.41331.09672.22151.10022.1893
C63.62892.45302.44981.54561.55742.92682.20063.41332.24652.22151.09672.18931.1002
H72.85132.14431.10273.11522.20062.92683.94531.76723.72372.46033.97043.07472.9225
H82.85132.14433.11521.10272.92682.20063.94533.72371.76723.97042.46032.92253.0747
H92.74762.18681.09683.34972.24653.41331.76723.72374.24482.80104.27232.46333.9280
H102.74762.18683.34971.09683.41332.24653.72371.76724.24484.27232.80103.92802.4633
H114.54163.39852.21933.41681.09672.22152.46033.97042.80104.27232.71161.76902.4597
H124.54163.39853.41682.21932.22151.09673.97042.46034.27232.80102.71162.45971.7690
H134.02002.93182.18102.85961.10022.18933.07472.92252.46333.92801.76902.45973.0768
H144.02002.93182.85962.18102.18931.10022.92253.07473.92802.46332.45971.76903.0768

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.838 O1 C2 C4 125.838
C2 C3 C5 105.154 C2 C3 H7 107.097
C2 C3 H9 110.719 C2 C4 C6 105.154
C2 C4 H8 107.097 C2 C4 H10 110.719
C3 C2 C4 108.323 C3 C5 C6 104.277
C3 C5 H11 113.167 C3 C5 H13 109.897
C4 C6 C5 104.277 C4 C6 H12 113.167
C4 C6 H14 109.897 C5 C3 H7 111.293
C5 C3 H9 115.411 C5 C6 H12 112.490
C5 C6 H14 109.733 C6 C4 H8 111.293
C6 C4 H10 115.411 C6 C5 H11 112.490
C6 C5 H13 109.733 H7 C3 H9 106.920
H8 C4 H10 106.920 H11 C5 H13 107.265
H12 C6 H14 107.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.230      
2 C 0.096      
3 C -0.239      
4 C -0.239      
5 C -0.247      
6 C -0.247      
7 H 0.144      
8 H 0.144      
9 H 0.148      
10 H 0.148      
11 H 0.134      
12 H 0.134      
13 H 0.128      
14 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.079 3.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.862 -0.209 0.000
y -0.209 -35.851 0.000
z 0.000 0.000 -45.675
Traceless
 xyz
x 4.901 -0.209 0.000
y -0.209 4.918 0.000
z 0.000 0.000 -9.819
Polar
3z2-r2-19.638
x2-y2-0.011
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.397 0.076 0.000
y 0.076 9.350 0.000
z 0.000 0.000 10.007


<r2> (average value of r2) Å2
<r2> 156.009
(<r2>)1/2 12.490