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All results from a given calculation for C4H6 (Methylenecyclopropane)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-155.890807
Energy at 298.15K-155.896387
Nuclear repulsion energy108.092143
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 BLYP/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 A1 3049 3043 15.42      
2 A1 3027 3022 17.64      
3 A1 1761 1758 9.20      
4 A1 1431 1428 0.22      
5 A1 1394 1391 0.33      
6 A1 1019 1017 3.24      
7 A1 977 975 2.65      
8 A1 701 699 4.25      
9 A2 3100 3094 0.00      
10 A2 1115 1113 0.00      
11 A2 918 916 0.00      
12 A2 590 589 0.00      
13 B1 3112 3106 18.64      
14 B1 1045 1043 2.33      
15 B1 887 885 41.69      
16 B1 724 722 2.07      
17 B1 257 256 4.34      
18 B2 3133 3127 14.24      
19 B2 3027 3022 19.20      
20 B2 1399 1396 2.06      
21 B2 1099 1097 4.77      
22 B2 1008 1007 0.71      
23 B2 865 864 14.89      
24 B2 344 343 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17991.3 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 17957.1 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 BLYP/aug-cc-pVDZ
ABC
0.63454 0.22480 0.17802

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.654
C2 0.000 0.000 0.318
H3 0.000 0.938 2.227
H4 0.000 -0.938 2.227
C5 0.000 0.781 -0.940
C6 0.000 -0.781 -0.940
H7 0.923 1.291 -1.251
H8 -0.923 1.291 -1.251
H9 -0.923 -1.291 -1.251
H10 0.923 -1.291 -1.251

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10
C11.33641.09851.09852.70942.70943.31013.31013.31013.3101
C21.33642.12652.12651.48081.48082.23122.23122.23122.2312
H31.09852.12651.87533.17053.60313.61503.61504.23194.2319
H41.09852.12651.87533.60313.17054.23194.23193.61503.6150
C52.70941.48083.17053.60311.56241.09881.09882.28932.2893
C62.70941.48083.60313.17051.56242.28932.28931.09881.0988
H73.31012.23123.61504.23191.09882.28931.84523.17312.5815
H83.31012.23123.61504.23191.09882.28931.84522.58153.1731
H93.31012.23124.23193.61502.28931.09883.17312.58151.8452
H103.31012.23124.23193.61502.28931.09882.58153.17311.8452

picture of Methylenecyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 148.160 C1 C2 C6 148.160
C2 C1 H3 121.398 C2 C1 H4 121.398
C2 C5 C6 58.160 C2 C5 H7 119.007
C2 C5 H8 119.007 C2 C6 C5 58.160
C2 C6 H9 119.007 C2 C6 H10 119.007
H3 C1 H4 117.204 C5 C2 C6 63.681
C5 C6 H9 117.627 C5 C6 H10 117.627
C6 C5 H7 117.627 C6 C5 H8 117.627
H7 C5 H8 114.202 H9 C6 H10 114.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.807      
2 C 0.439      
3 H -0.616      
4 H -0.616      
5 C 1.274      
6 C 1.274      
7 H -0.641      
8 H -0.641      
9 H -0.641      
10 H -0.641      


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 -0.461 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.042 0.000 0.000
y 0.000 -25.135 0.000
z 0.000 0.000 -25.493
Traceless
 xyz
x -0.727 0.000 0.000
y 0.000 0.632 0.000
z 0.000 0.000 0.096
Polar
3z2-r20.191
x2-y2-0.906
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.993 0.000 0.000
y 0.000 7.474 0.000
z 0.000 0.000 10.301


<r2> (average value of r2) Å2
<r2> 78.918
(<r2>)1/2 8.884