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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-194.727021
Energy at 298.15K-194.735146
HF Energy-193.960545
Nuclear repulsion energy161.593622
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 QCISD/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' 3249 3147 19.11      
2 A' 3246 3144 17.44      
3 A' 3171 3072 8.74      
4 A' 3158 3059 1.89      
5 A' 3150 3052 16.52      
6 A' 3145 3047 6.27      
7 A' 1709 1655 25.46      
8 A' 1513 1465 1.24      
9 A' 1470 1424 0.23      
10 A' 1356 1313 1.18      
11 A' 1312 1270 2.97      
12 A' 1236 1198 3.41      
13 A' 1219 1181 1.97      
14 A' 1048 1015 1.66      
15 A' 1001 969 1.56      
16 A' 964 934 34.21      
17 A' 823 797 1.52      
18 A' 761 737 0.28      
19 A' 440 427 1.00      
20 A' 265 257 1.09      
21 A" 3231 3130 0.18      
22 A" 3143 3044 19.57      
23 A" 1464 1418 0.88      
24 A" 1191 1154 0.79      
25 A" 1121 1086 1.62      
26 A" 1063 1030 3.01      
27 A" 1001 969 14.70      
28 A" 921 892 7.71      
29 A" 917 889 39.82      
30 A" 825 799 4.88      
31 A" 667 646 6.01      
32 A" 312 302 0.87      
33 A" 109 106 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 25098.4 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 24312.8 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 QCISD/aug-cc-pVDZ
ABC
0.49578 0.10030 0.09646

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.398 0.292 0.000
C2 0.259 -1.044 0.000
C3 -0.399 -2.224 0.000
C4 0.259 1.442 0.759
C5 0.259 1.442 -0.759
H6 -1.494 0.275 0.000
H7 1.358 -1.041 0.000
H8 0.140 -3.176 0.000
H9 -1.494 -2.266 0.000
H10 -0.396 2.149 1.276
H11 1.202 1.229 1.270
H12 -0.396 2.149 -1.276
H13 1.202 1.229 -1.270

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48942.51621.52641.52641.09532.20573.50972.78312.25252.24752.25252.2475
C21.48941.35072.59972.59972.19341.09962.13492.13683.50012.76923.50012.7692
C32.51621.35073.80133.80132.72812.11821.09401.09604.55494.01214.55494.0121
C41.52642.59973.80131.51712.23822.82024.68164.17141.09321.09402.25092.2473
C51.52642.59973.80131.51712.23822.82024.68164.17142.25092.24731.09321.0940
H61.09532.19342.72812.23822.23823.14113.81802.54092.51873.12882.51873.1288
H72.20571.09962.11822.82022.82023.14112.45763.10433.85762.60593.85762.6059
H83.50972.13491.09404.68164.68163.81802.45761.87065.50144.70535.50144.7053
H92.78312.13681.09604.17144.17142.54093.10431.87064.72484.59304.72484.5930
H102.25253.50014.55491.09322.25092.51873.85765.50144.72481.84372.55183.1434
H112.24752.76924.01211.09402.24733.12882.60594.70534.59301.84373.14342.5400
H122.25253.50014.55492.25091.09322.51873.85765.50144.72482.55183.14341.8437
H132.24752.76924.01212.24731.09403.12882.60594.70534.59303.14342.54001.8437

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.669 C1 C2 H7 116.039
C1 C4 C5 60.202 C1 C4 H10 117.652
C1 C4 H11 117.157 C1 C5 C4 60.202
C1 C5 H12 117.652 C1 C5 H13 117.157
C2 C1 C4 119.083 C2 C1 C5 119.083
C2 C1 H6 115.276 C2 C3 H8 121.322
C2 C3 H9 121.346 C3 C2 H7 119.292
C4 C1 H6 116.263 C4 C5 H12 118.246
C4 C5 H13 117.871 C5 C1 H6 116.263
C5 C4 H10 118.246 C5 C4 H11 117.871
H8 C3 H9 117.332 H10 C4 H11 114.911
H12 C5 H13 114.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability