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All results from a given calculation for C3H8 (Propane)

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-119.056352
Energy at 298.15K-119.064732
HF Energy-119.056352
Nuclear repulsion energy82.695491
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 B1B95/6-31G**
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 3153 3010 48.47 86.19 0.61 0.76
2 A1 3071 2933 35.47 111.89 0.01 0.02
3 A1 3070 2931 12.66 196.59 0.07 0.13
4 A1 1543 1473 4.30 8.86 0.74 0.85
5 A1 1520 1451 0.00 39.08 0.75 0.86
6 A1 1447 1381 2.70 2.48 0.74 0.85
7 A1 1192 1138 1.34 3.22 0.49 0.65
8 A1 900 859 1.05 10.06 0.28 0.44
9 A1 362 346 0.13 0.22 0.14 0.24
10 A2 3141 2999 0.00 7.53 0.75 0.86
11 A2 1520 1451 0.00 37.72 0.75 0.86
12 A2 1332 1271 0.00 11.93 0.75 0.86
13 A2 918 876 0.00 0.01 0.75 0.86
14 A2 227 217 0.00 0.00 0.75 0.86
15 B1 3150 3008 93.44 35.33 0.75 0.86
16 B1 3102 2962 5.07 146.87 0.75 0.86
17 B1 1538 1468 13.25 0.11 0.75 0.86
18 B1 1226 1171 0.30 0.85 0.75 0.86
19 B1 754 720 4.20 0.15 0.75 0.86
20 B1 276 264 0.00 0.00 0.75 0.86
21 B2 3151 3008 27.57 56.36 0.75 0.86
22 B2 3068 2930 34.48 1.73 0.75 0.86
23 B2 1528 1459 1.94 0.45 0.75 0.86
24 B2 1434 1369 5.38 5.10 0.75 0.86
25 B2 1383 1320 2.74 0.02 0.75 0.86
26 B2 1091 1042 0.28 6.38 0.75 0.86
27 B2 939 897 2.92 0.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23016.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 21976.5 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 B1B95/6-31G**
ABC
0.98755 0.28304 0.25060

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.585
C2 0.000 1.267 -0.259
C3 0.000 -1.267 -0.259
H4 0.875 0.000 1.244
H5 -0.875 0.000 1.244
H6 0.000 2.166 0.363
H7 0.000 -2.166 0.363
H8 0.882 1.309 -0.905
H9 -0.882 1.309 -0.905
H10 -0.882 -1.309 -0.905
H11 0.882 -1.309 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52201.52201.09541.09542.17712.17712.17032.17032.17032.1703
C21.52202.53372.15122.15121.09313.48851.09421.09422.79832.7983
C31.52202.53372.15122.15123.48851.09312.79832.79831.09421.0942
H41.09542.15122.15121.75022.49632.49632.51593.06873.06872.5159
H51.09542.15122.15121.75022.49632.49633.06872.51592.51593.0687
H62.17711.09313.48852.49632.49634.33151.76631.76633.80263.8026
H72.17713.48851.09312.49632.49634.33153.80263.80261.76631.7663
H82.17031.09422.79832.51593.06871.76633.80261.76413.15682.6180
H92.17031.09422.79833.06872.51591.76633.80261.76412.61803.1568
H102.17032.79831.09423.06872.51593.80261.76633.15682.61801.7641
H112.17032.79831.09422.51593.06873.80261.76632.61803.15681.7641

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.667 C1 C2 H8 111.058
C1 C2 H9 111.058 C1 C3 H7 111.667
C1 C3 H10 111.058 C1 C3 H11 111.058
C2 C1 C3 112.687 C2 C1 H4 109.473
C2 C1 H5 109.473 C3 C1 H4 109.473
C3 C1 H5 109.473 H4 C1 H5 106.044
H6 C2 H8 107.716 H6 C2 H9 107.716
H7 C3 H10 107.716 H7 C3 H11 107.716
H8 C2 H9 107.437 H10 C3 H11 107.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.297      
2 C -0.484      
3 C -0.484      
4 H 0.155      
5 H 0.155      
6 H 0.160      
7 H 0.160      
8 H 0.158      
9 H 0.158      
10 H 0.158      
11 H 0.158      


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 0.058 0.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.069 0.000 0.000
y 0.000 -21.709 0.000
z 0.000 0.000 -21.417
Traceless
 xyz
x 0.494 0.000 0.000
y 0.000 -0.466 0.000
z 0.000 0.000 -0.028
Polar
3z2-r2-0.056
x2-y20.641
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.690 0.000 0.000
y 0.000 5.325 0.000
z 0.000 0.000 4.803


<r2> (average value of r2) Å2
<r2> 62.989
(<r2>)1/2 7.937