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All results from a given calculation for C5H10 (Cyclopentane)

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-196.534562
Energy at 298.15K-196.546165
HF Energy-196.534562
Nuclear repulsion energy187.654383
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 mPW1PW91/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 3139 3008 103.32      
2 A 3125 2994 24.52      
3 A 3123 2993 22.48      
4 A 3117 2987 13.43      
5 A 3107 2978 30.36      
6 A 3083 2955 52.33      
7 A 3068 2940 43.41      
8 A 3065 2937 16.03      
9 A 3058 2930 39.32      
10 A 3053 2926 23.85      
11 A 1514 1451 0.20      
12 A 1485 1423 4.78      
13 A 1485 1423 3.74      
14 A 1476 1415 4.80      
15 A 1472 1411 0.29      
16 A 1342 1286 0.12      
17 A 1340 1284 0.09      
18 A 1337 1282 0.01      
19 A 1320 1265 0.61      
20 A 1287 1233 0.07      
21 A 1280 1227 0.84      
22 A 1234 1183 0.15      
23 A 1227 1176 0.26      
24 A 1204 1154 0.18      
25 A 1183 1134 0.01      
26 A 1075 1030 0.05      
27 A 1050 1007 0.00      
28 A 1001 959 0.49      
29 A 966 926 1.24      
30 A 930 891 1.84      
31 A 921 882 2.04      
32 A 909 871 0.83      
33 A 873 837 0.76      
34 A 824 790 0.15      
35 A 771 739 0.66      
36 A 621 595 0.07      
37 A 550 527 1.17      
38 A 264 253 0.01      
39 A 14 14 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 30946.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 29656.3 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 mPW1PW91/aug-cc-pVDZ
ABC
0.21736 0.21727 0.12554

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.913 -0.857 0.254
C2 -0.201 1.270 0.123
C3 -1.288 0.173 0.017
C4 -0.531 -1.164 -0.155
C5 1.118 0.575 -0.239
H6 -0.146 1.647 1.153
H7 -0.411 2.133 -0.520
H8 -1.963 0.355 -0.829
H9 -1.914 0.158 0.918
H10 -0.551 -1.475 -1.209
H11 -0.975 -1.979 0.428
H12 1.637 -1.569 -0.163
H13 1.011 -0.890 1.350
H14 1.257 0.571 -1.330
H15 1.994 1.066 0.202

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C12.40542.44211.53181.52882.86443.36103.30333.07662.16012.20301.09731.10032.16032.2072
C22.40541.54842.47181.53451.09831.09672.20142.19143.07143.35403.39422.76392.17462.2064
C32.44211.54841.54572.45312.18452.21401.09691.09702.18192.21313.40932.86252.90733.4070
C41.53182.47181.54572.39773.12463.31912.19302.19361.09871.09682.20562.17232.75403.3876
C51.52881.53452.45312.39772.16452.20093.14413.27202.81613.36892.20712.16321.10011.0969
H62.86441.09832.18453.12462.16451.76262.98332.32413.93633.79023.90582.79543.04892.4131
H73.36101.09672.21403.31912.20091.76262.38012.86863.67614.25784.24563.82832.42502.7284
H83.30332.20141.09692.19303.14412.98332.38011.75852.34192.82914.13533.89093.26564.1501
H93.07662.19141.09702.19363.27202.32412.86861.75853.00782.38524.09413.13753.90914.0759
H102.16013.07142.18191.09872.81613.93633.67612.34193.00781.76462.42733.05462.73313.8636
H112.20303.35402.21311.09683.36893.79024.25782.82912.38521.76462.70952.44573.81774.2592
H121.09733.39423.40932.20562.20713.90584.24564.13534.09412.42732.70951.77212.46622.6838
H131.10032.76392.86252.17232.16322.79543.82833.89093.13753.05462.44571.77213.06152.4714
H142.16032.17462.90732.75401.10013.04892.42503.26563.90912.73313.81772.46623.06151.7708
H152.20722.20643.40703.38761.09692.41312.72844.15014.07593.86364.25922.68382.47141.7708

picture of Cyclopentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C3 105.034 C1 C4 H10 109.295
C1 C4 H11 112.828 C1 C5 C2 103.484
C1 C5 H14 109.441 C1 C5 H15 113.387
C2 C3 C4 106.043 C2 C3 H8 111.511
C2 C3 H9 110.709 C2 C5 H14 110.174
C2 C5 H15 112.908 C3 C2 C5 105.446
C3 C2 H6 110.081 C3 C2 H7 112.536
C3 C4 H10 110.052 C3 C4 H11 112.653
C4 C1 C5 103.142 C4 C1 H12 113.010
C4 C1 H13 110.157 C4 C3 H8 111.030
C4 C3 H9 111.071 C5 C1 H12 113.351
C5 C1 H13 109.656 C5 C2 H6 109.482
C5 C2 H7 112.475 H6 C2 H7 106.831
H8 C3 H9 106.553 H10 C4 H11 106.973
H12 C1 H13 107.489 H14 C5 H15 107.414
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.546      
2 C 0.510      
3 C 0.544      
4 C 0.509      
5 C 0.539      
6 H -0.299      
7 H -0.262      
8 H -0.232      
9 H -0.240      
10 H -0.303      
11 H -0.261      
12 H -0.212      
13 H -0.313      
14 H -0.302      
15 H -0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.021 -0.006 0.000 0.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.953 0.005 0.004
y 0.005 -33.933 -0.037
z 0.004 -0.037 -32.547
Traceless
 xyz
x -0.713 0.005 0.004
y 0.005 -0.683 -0.037
z 0.004 -0.037 1.396
Polar
3z2-r22.792
x2-y2-0.020
xy0.005
xz0.004
yz-0.037


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.266 0.001 -0.001
y 0.001 9.269 0.011
z -0.001 0.011 7.956


<r2> (average value of r2) Å2
<r2> 115.527
(<r2>)1/2 10.748