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All results from a given calculation for C3H8 (Propane)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-21.750059
Energy at 298.15K-21.758408
HF Energy-21.750059
Nuclear repulsion energy49.253028
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3065 2987 92.28 94.84 0.60 0.75
2 A1 2981 2905 2.72 357.42 0.03 0.07
3 A1 2974 2898 69.56 60.06 0.11 0.20
4 A1 1535 1496 8.22 2.88 0.75 0.86
5 A1 1516 1478 0.00 42.53 0.75 0.85
6 A1 1437 1401 4.55 1.16 0.60 0.75
7 A1 1180 1150 1.93 3.95 0.40 0.57
8 A1 866 844 1.15 15.80 0.24 0.38
9 A1 363 354 0.12 0.46 0.10 0.18
10 A2 3052 2974 0.00 8.28 0.75 0.86
11 A2 1513 1475 0.00 32.36 0.75 0.86
12 A2 1312 1279 0.00 13.64 0.75 0.86
13 A2 917 893 0.00 0.00 0.75 0.86
14 A2 210 205 0.00 0.02 0.75 0.86
15 B1 3068 2989 167.24 33.04 0.75 0.86
16 B1 3011 2934 5.27 184.02 0.75 0.86
17 B1 1529 1490 16.36 0.01 0.75 0.86
18 B1 1220 1189 0.16 0.13 0.75 0.86
19 B1 757 738 4.45 0.35 0.75 0.86
20 B1 259 253 0.00 0.00 0.75 0.86
21 B2 3060 2982 47.82 63.24 0.75 0.86
22 B2 2972 2896 56.21 3.02 0.75 0.86
23 B2 1519 1481 3.42 0.51 0.75 0.86
24 B2 1420 1384 6.78 1.62 0.75 0.86
25 B2 1372 1337 4.00 0.07 0.75 0.86
26 B2 1066 1039 1.62 9.57 0.75 0.86
27 B2 935 911 2.57 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22554.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 21979.4 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 B3LYP/CEP-121G
ABC
0.96607 0.27347 0.24217

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.595
C2 0.000 1.292 -0.264
C3 0.000 -1.292 -0.264
H4 0.881 0.000 1.255
H5 -0.881 0.000 1.255
H6 0.000 2.192 0.366
H7 0.000 -2.192 0.366
H8 0.888 1.334 -0.912
H9 -0.888 1.334 -0.912
H10 -0.888 -1.334 -0.912
H11 0.888 -1.334 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.55101.55101.10131.10132.20402.20402.19932.19932.19932.1993
C21.55102.58342.18002.18001.09893.54031.09981.09982.84632.8463
C31.55102.58342.18002.18003.54031.09892.84632.84631.09981.0998
H41.10132.18002.18001.76262.52442.52442.54453.09903.09902.5445
H51.10132.18002.18001.76262.52442.52443.09902.54452.54453.0990
H62.20401.09893.54032.52442.52444.38431.77701.77703.85413.8541
H72.20403.54031.09892.52442.52444.38433.85413.85411.77701.7770
H82.19931.09982.84632.54453.09901.77703.85411.77543.20462.6678
H92.19931.09982.84633.09902.54451.77703.85411.77542.66783.2046
H102.19932.84631.09983.09902.54453.85411.77703.20462.66781.7754
H112.19932.84631.09982.54453.09903.85411.77702.66783.20461.7754

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.413 C1 C2 H8 110.981
C1 C2 H9 110.981 C1 C3 H7 111.413
C1 C3 H10 110.981 C1 C3 H11 110.981
C2 C1 C3 112.781 C2 C1 H4 109.387
C2 C1 H5 109.387 C3 C1 H4 109.387
C3 C1 H5 109.387 H4 C1 H5 106.306
H6 C2 H8 107.834 H6 C2 H9 107.834
H7 C3 H10 107.834 H7 C3 H11 107.834
H8 C2 H9 107.633 H10 C3 H11 107.633
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 C -0.458      
3 C -0.458      
4 H 0.129      
5 H 0.129      
6 H 0.144      
7 H 0.144      
8 H 0.138      
9 H 0.138      
10 H 0.138      
11 H 0.138      


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 0.068 0.068
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.646 0.000 0.000
y 0.000 -22.375 0.000
z 0.000 0.000 -22.098
Traceless
 xyz
x 0.590 0.000 0.000
y 0.000 -0.503 0.000
z 0.000 0.000 -0.088
Polar
3z2-r2-0.175
x2-y20.729
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.278 0.000 0.000
y 0.000 5.984 0.000
z 0.000 0.000 5.403


<r2> (average value of r2) Å2
<r2> 57.262
(<r2>)1/2 7.567