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All results from a given calculation for C3H8 (Propane)

using model chemistry: MP2=FULL/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-118.977832
Energy at 298.15K-118.986243
HF Energy-118.315583
Nuclear repulsion energy83.198638
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 MP2=FULL/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3176 3040 33.25 80.08 0.59 0.75
2 A1 3092 2959 32.52 63.91 0.21 0.34
3 A1 3081 2949 7.60 371.90 0.00 0.00
4 A1 1532 1466 5.63 2.12 0.75 0.86
5 A1 1511 1446 0.05 13.90 0.75 0.86
6 A1 1429 1367 3.81 0.20 0.02 0.04
7 A1 1194 1143 0.93 2.66 0.11 0.20
8 A1 904 865 0.91 11.14 0.14 0.24
9 A1 370 354 0.06 0.39 0.28 0.44
10 A2 3165 3029 0.00 7.57 0.75 0.86
11 A2 1511 1446 0.00 11.36 0.75 0.86
12 A2 1333 1276 0.00 2.82 0.75 0.86
13 A2 919 879 0.00 0.15 0.75 0.86
14 A2 224 214 0.00 0.01 0.75 0.86
15 B1 3173 3037 66.48 24.04 0.75 0.86
16 B1 3132 2997 2.18 133.78 0.75 0.86
17 B1 1530 1464 14.46 0.01 0.75 0.86
18 B1 1226 1173 0.13 0.11 0.75 0.86
19 B1 759 726 2.97 0.07 0.75 0.86
20 B1 283 271 0.00 0.01 0.75 0.86
21 B2 3175 3038 21.14 46.34 0.75 0.86
22 B2 3081 2949 28.50 1.41 0.75 0.86
23 B2 1517 1452 2.20 0.14 0.75 0.86
24 B2 1415 1354 5.59 0.00 0.75 0.86
25 B2 1374 1315 1.11 0.36 0.75 0.86
26 B2 1096 1049 0.54 4.82 0.75 0.86
27 B2 941 900 1.87 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23069.3 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 22079.6 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 MP2=FULL/cc-pVQZ
ABC
0.99138 0.28759 0.25399

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.589
C2 0.000 1.257 -0.259
C3 0.000 -1.257 -0.259
H4 0.870 0.000 1.240
H5 -0.870 0.000 1.240
H6 0.000 2.155 0.351
H7 0.000 -2.155 0.351
H8 0.877 1.289 -0.900
H9 -0.877 1.289 -0.900
H10 -0.877 -1.289 -0.900
H11 0.877 -1.289 -0.900

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.51641.51641.08731.08732.16782.16782.15532.15532.15532.1553
C21.51642.51462.14162.14161.08503.46611.08631.08632.76792.7679
C31.51642.51462.14162.14163.46611.08502.76792.76791.08631.0863
H41.08732.14162.14161.74092.48832.48832.49823.04853.04852.4982
H51.08732.14162.14161.74092.48832.48833.04852.49822.49823.0485
H62.16781.08503.46612.48832.48834.30941.75581.75583.76693.7669
H72.16783.46611.08502.48832.48834.30943.76693.76691.75581.7558
H82.15531.08632.76792.49823.04851.75583.76691.75313.11712.5774
H92.15531.08632.76793.04852.49821.75583.76691.75312.57743.1171
H102.15532.76791.08633.04852.49823.76691.75583.11712.57741.7531
H112.15532.76791.08632.49823.04853.76691.75582.57743.11711.7531

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.806 C1 C2 H8 110.722
C1 C2 H9 110.722 C1 C3 H7 111.806
C1 C3 H10 110.722 C1 C3 H11 110.722
C2 C1 C3 112.015 C2 C1 H4 109.573
C2 C1 H5 109.573 C3 C1 H4 109.573
C3 C1 H5 109.573 H4 C1 H5 106.374
H6 C2 H8 107.920 H6 C2 H9 107.920
H7 C3 H10 107.920 H7 C3 H11 107.920
H8 C2 H9 107.590 H10 C3 H11 107.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability