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All results from a given calculation for C5H5N (Bicyclo[1.1.0]butane-1-carbonitrile)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-247.445573
Energy at 298.15K-247.450685
HF Energy-246.611306
Nuclear repulsion energy198.209401
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 MP2/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3347 3135 0.19      
2 A' 3288 3079 12.52      
3 A' 3175 2973 30.23      
4 A' 2210 2070 15.25      
5 A' 1589 1488 3.15      
6 A' 1442 1350 4.37      
7 A' 1230 1152 0.86      
8 A' 1180 1105 10.27      
9 A' 1132 1061 3.07      
10 A' 974 912 3.49      
11 A' 924 865 43.92      
12 A' 787 737 13.93      
13 A' 632 592 17.46      
14 A' 500 468 0.61      
15 A' 425 398 0.86      
16 A' 187 175 2.98      
17 A" 3290 3081 0.99      
18 A" 3181 2979 18.39      
19 A" 1542 1444 0.01      
20 A" 1347 1262 0.00      
21 A" 1189 1114 0.04      
22 A" 1127 1056 0.05      
23 A" 1064 996 0.33      
24 A" 973 912 0.01      
25 A" 894 837 0.01      
26 A" 543 509 0.26      
27 A" 186 174 5.78      

Unscaled Zero Point Vibrational Energy (zpe) 19179.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 17961.7 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 MP2/6-31G**
ABC
0.29564 0.09647 0.08300

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.684 -0.038 2.072
H2 -1.526 1.354 1.235
C3 -0.974 0.423 1.136
H4 -0.684 -0.038 -2.072
H5 -1.526 1.354 -1.235
C6 -0.974 0.423 -1.136
C7 0.000 0.304 0.000
H8 -1.364 -1.563 0.000
C9 -1.287 -0.490 0.000
N10 2.454 -0.567 0.000
C11 1.335 -0.177 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.83001.08364.14493.68553.25422.20882.66192.20543.79712.8967
H21.83001.08663.68552.46902.60572.22633.17172.23204.58853.4723
C31.08361.08663.25422.60572.27161.50092.32161.49093.74422.6425
H44.14493.68553.25421.83001.08362.20882.66192.20543.79712.8967
H53.68552.46902.60571.83001.08662.22633.17172.23204.58853.4723
C63.25422.60572.27161.08361.08661.50092.32161.49093.74422.6425
C72.20882.22631.50092.20882.22631.50092.31251.51202.60371.4193
H82.66193.17172.32162.66193.17172.32162.31251.07593.94603.0348
C92.20542.23201.49092.20542.23201.49091.51201.07593.74132.6407
N103.79714.58853.74423.79714.58853.74422.60373.94603.74131.1844
C112.89673.47232.64252.89673.47232.64251.41933.03482.64071.1844

picture of Bicyclo[1.1.0]butane-1-carbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C3 H2 114.965 H1 C3 C7 116.518
H1 C3 C9 116.997 H2 C3 C7 117.832
H2 C3 C9 119.156 C3 C7 C6 98.360
C3 C7 C9 59.317 C3 C7 C11 129.600
C3 C9 C6 99.253 C3 C9 C7 59.970
C3 C9 H8 128.783 H4 C6 H5 114.965
H4 C6 C7 116.518 H4 C6 C9 116.997
H5 C6 C7 117.832 H5 C6 C9 119.156
C6 C7 C9 59.317 C6 C7 C11 129.600
C6 C9 C7 59.970 C6 C9 H8 128.783
C7 C3 C9 60.714 C7 C6 C9 60.714
C7 C9 H8 125.820 C7 C11 N10 179.414
C9 C7 C11 128.515
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability