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All results from a given calculation for C5H6 (Cyclopropylacetylene)

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-194.010816
Energy at 298.15K-194.015969
Nuclear repulsion energy147.269144
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
(Å4/u)
Dep P Dep U
1 A 3506 3360 79.46      
2 A 3276 3139 9.18      
3 A 3186 3053 4.70      
4 A 3173 3040 6.06      
5 A 2237 2144 31.14      
6 A 1503 1440 1.23      
7 A 1381 1323 2.74      
8 A 1230 1179 1.01      
9 A 1134 1087 0.48      
10 A 1051 1007 5.29      
11 A 984 943 23.81      
12 A 814 780 1.26      
13 A 763 731 2.31      
14 A 657 630 47.47      
15 A 493 472 7.87      
16 A 196 188 1.59      
17 A 3262 3126 0.20      
18 A 3168 3036 15.26      
19 A 1456 1396 3.62      
20 A 1191 1141 0.92      
21 A 1100 1055 1.95      
22 A 1063 1018 4.21      
23 A 912 874 4.53      
24 A 824 790 6.11      
25 A 588 563 57.00      
26 A 490 470 0.02      
27 A 198 190 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 19917.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19086.5 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 mPW1PW91/aug-cc-pVDZ
ABC
0.53017 0.11137 0.10580

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.618 0.153 0.000
C2 -0.562 0.973 0.000
H3 1.556 0.707 0.000
C4 0.618 -1.165 0.748
C5 0.618 -1.165 -0.748
C6 -1.557 1.665 0.000
H7 -2.433 2.276 0.000
H8 1.534 -1.437 1.268
H9 -0.301 -1.438 1.260
H10 1.534 -1.437 -1.268
H11 -0.301 -1.438 -1.260

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43671.08951.51601.51602.64893.71732.23042.22822.23042.2282
C21.43672.13462.55422.55421.21232.28063.43612.73303.43612.7330
H31.08952.13462.22372.22373.25744.28712.49063.10462.49063.1046
C41.51602.55422.22371.49683.64714.65991.08771.08702.23162.2260
C51.51602.55422.22371.49683.64714.65992.23162.22601.08771.0870
C62.64891.21233.25743.64713.64711.06844.55893.57704.55893.5770
H73.71732.28064.28714.65994.65991.06845.57974.46435.57974.4643
H82.23043.43612.49061.08772.23164.55895.57971.83522.53663.1246
H92.22822.73303.10461.08702.22603.57704.46431.83523.12462.5210
H102.23043.43612.49062.23161.08774.55895.57972.53663.12461.8352
H112.22822.73303.10462.22601.08703.57704.46433.12462.52101.8352

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.991 C1 C4 C5 60.417
C1 C4 H8 116.931 C1 C4 H9 116.792
C1 C5 C4 60.417 C1 C5 H10 116.931
C1 C5 H11 116.792 C2 C1 H3 114.651
C2 C1 C4 119.759 C2 C1 C5 119.759
C2 C6 H7 179.913 H3 C1 C4 116.231
H3 C1 C5 116.231 C4 C1 C5 59.166
C4 C5 H10 118.556 C4 C5 H11 118.107
C5 C4 H8 118.556 C5 C4 H9 118.107
H8 C4 H9 115.114 H10 C5 H11 115.114
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 1.018      
2 C -0.898      
3 H -0.419      
4 C 0.844      
5 C 0.844      
6 C 1.028      
7 H -0.665      
8 H -0.420      
9 H -0.456      
10 H -0.420      
11 H -0.456      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.668 -0.774 0.000 1.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.445 -1.937 0.000
y -1.937 -30.480 0.000
z 0.000 0.000 -31.701
Traceless
 xyz
x 4.646 -1.937 0.000
y -1.937 -1.407 0.000
z 0.000 0.000 -3.239
Polar
3z2-r2-6.478
x2-y24.036
xy-1.937
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.208 -2.383 0.000
y -2.383 9.555 0.000
z 0.000 0.000 7.334


<r2> (average value of r2) Å2
<r2> 120.806
(<r2>)1/2 10.991