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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-249.413582
Energy at 298.15K-249.421502
Nuclear repulsion energy211.444166
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 mPW1PW91/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3176 3032 31.13      
2 A' 3154 3011 8.37      
3 A' 3107 2967 2.38      
4 A' 3101 2961 2.05      
5 A' 3096 2956 25.60      
6 A' 2381 2273 16.79      
7 A' 1512 1444 0.92      
8 A' 1487 1420 3.79      
9 A' 1361 1300 2.19      
10 A' 1286 1228 0.67      
11 A' 1245 1189 0.24      
12 A' 1130 1079 2.10      
13 A' 1096 1046 0.03      
14 A' 979 935 0.64      
15 A' 910 868 1.68      
16 A' 757 723 1.40      
17 A' 588 562 1.45      
18 A' 538 514 0.48      
19 A' 268 256 2.11      
20 A' 127 121 2.97      
21 A" 3167 3024 11.67      
22 A" 3103 2963 39.91      
23 A" 1479 1412 1.99      
24 A" 1284 1226 1.74      
25 A" 1261 1204 0.22      
26 A" 1247 1190 0.19      
27 A" 1216 1161 0.28      
28 A" 1047 1000 0.04      
29 A" 966 922 0.00      
30 A" 956 913 2.10      
31 A" 789 753 1.31      
32 A" 553 528 0.07      
33 A" 182 174 4.98      

Unscaled Zero Point Vibrational Energy (zpe) 24276.0 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 23176.3 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 mPW1PW91/6-31G(2df,p)
ABC
0.32900 0.07976 0.07042

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.609 2.116 0.000
C2 0.734 1.363 0.000
C3 -0.346 0.396 0.000
C4 -0.862 -1.696 0.000
C5 -0.346 -0.720 1.079
C6 -0.346 -0.720 -1.079
H7 -1.300 0.929 0.000
H8 -1.952 -1.756 0.000
H9 -0.456 -2.707 0.000
H10 0.673 -0.959 1.388
H11 -0.956 -0.549 1.966
H12 0.673 -0.959 -1.388
H13 -0.956 -0.549 -1.966

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.15462.60384.54243.61003.61003.14165.26055.24703.50124.18933.50124.1893
C21.15461.44933.44982.58302.58302.07924.11604.24092.70613.22162.70613.2216
C32.60381.44932.15431.55291.55291.09292.68533.10532.19122.26552.19122.2655
C44.54243.44982.15431.54341.54342.66111.09231.08992.19672.27782.19672.2778
C53.61002.58301.55291.54342.15872.19012.19492.26381.09121.09002.68023.1108
C63.61002.58301.55291.54342.15872.19012.19492.26382.68023.11081.09121.0900
H73.14162.07921.09292.66112.19012.19012.76303.73303.06352.48413.06352.4841
H85.26054.11602.68531.09232.19492.19492.76301.77303.07502.51273.07502.5127
H95.24704.24093.10531.08992.26382.26383.73301.77302.50192.96172.50192.9617
H103.50122.70612.19122.19671.09122.68023.06353.07502.50191.77672.77603.7514
H114.18933.22162.26552.27781.09003.11082.48412.51272.96171.77673.75143.9324
H123.50122.70612.19122.19672.68021.09123.06353.07502.50192.77603.75141.7767
H134.18933.22162.26552.27783.11081.09002.48412.51272.96173.75143.93241.7767

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.836 C2 C3 C5 118.673
C2 C3 C6 118.673 C2 C3 H7 108.937
C3 C5 C4 88.176 C3 C5 H10 110.716
C3 C5 H11 116.920 C3 C6 C4 88.176
C3 C6 H12 110.716 C3 C6 H13 116.920
C4 C5 H10 111.831 C4 C5 H11 118.751
C4 C6 H12 111.831 C4 C6 H13 118.751
C5 C3 C6 88.063 C5 C3 H7 110.532
C5 C4 C6 88.749 C5 C4 H8 111.621
C5 C4 H9 117.528 C6 C3 H7 110.532
C6 C4 H8 111.621 C6 C4 H9 117.528
H8 C4 H9 108.685 H10 C5 H11 109.085
H12 C6 H13 109.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.350      
2 C 0.296      
3 C -0.186      
4 C -0.276      
5 C -0.270      
6 C -0.270      
7 H 0.160      
8 H 0.143      
9 H 0.143      
10 H 0.159      
11 H 0.146      
12 H 0.159      
13 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.916 -3.043 0.000 4.215
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.868 -6.529 0.000
y -6.529 -41.954 0.000
z 0.000 0.000 -34.767
Traceless
 xyz
x -0.507 -6.529 0.000
y -6.529 -5.137 0.000
z 0.000 0.000 5.644
Polar
3z2-r211.288
x2-y23.086
xy-6.529
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.000 1.743 0.000
y 1.743 8.849 0.000
z 0.000 0.000 7.113


<r2> (average value of r2) Å2
<r2> 155.430
(<r2>)1/2 12.467