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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-245.772180
Energy at 298.15K-245.777381
HF Energy-245.201575
Nuclear repulsion energy195.416314
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 MP2/3-21G*
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' 3333 3171 0.52      
2 A' 3252 3094 13.28      
3 A' 3151 2998 19.61      
4 A' 2158 2052 6.20      
5 A' 1589 1512 1.12      
6 A' 1383 1315 5.75      
7 A' 1210 1151 14.18      
8 A' 1187 1129 9.35      
9 A' 1119 1064 6.29      
10 A' 976 929 3.06      
11 A' 902 858 34.43      
12 A' 775 737 10.21      
13 A' 600 570 8.88      
14 A' 555 528 6.66      
15 A' 433 412 2.26      
16 A' 210 200 1.63      
17 A" 3253 3095 1.06      
18 A" 3156 3002 13.02      
19 A" 1562 1486 0.13      
20 A" 1286 1223 0.02      
21 A" 1183 1125 0.30      
22 A" 1127 1072 0.12      
23 A" 1051 1000 0.17      
24 A" 976 928 0.27      
25 A" 809 770 0.00      
26 A" 599 570 0.55      
27 A" 210 200 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 19021.8 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 18095.4 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 MP2/3-21G*
ABC
0.28983 0.09307 0.08026

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.712 -0.077 2.092
H2 -1.571 1.303 1.225
C3 -1.007 0.376 1.149
H4 -0.712 -0.077 -2.092
H5 -1.571 1.303 -1.225
C6 -1.007 0.376 -1.149
C7 0.000 0.232 0.000
H8 -1.461 -1.649 0.000
C9 -1.306 -0.585 0.000
N10 2.530 -0.375 0.000
C11 1.372 -0.096 0.000

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 C7 H8 C9 N10 C11
H11.84191.08684.18393.69403.28572.23132.72182.23333.87002.9531
H21.84191.08773.69402.45062.61052.26173.19832.26644.59723.4813
C31.08681.08773.28572.61052.29801.53432.37261.52803.79382.6835
H44.18393.69403.28571.84191.08682.23132.72182.23333.87002.9531
H53.69402.45062.61051.84191.08772.26173.19832.26644.59723.4813
C63.28572.61052.29801.08681.08771.53432.37261.52803.79382.6835
C72.23132.26171.53432.23132.26171.53432.38191.54122.60201.4109
H82.72183.19832.37262.72183.19832.37262.38191.07514.18923.2306
C92.23332.26641.52802.23332.26641.52801.54121.07513.84232.7229
N103.87004.59723.79383.87004.59723.79382.60204.18923.84231.1911
C112.95313.48132.68352.95313.48132.68351.41093.23062.72291.1911

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 115.787 H1 C3 C7 115.650
H1 C3 C9 116.304 H2 C3 C7 118.217
H2 C3 C9 119.148 C3 C7 C6 96.988
C3 C7 C9 59.581 C3 C7 C11 131.288
C3 C9 C6 97.524 C3 C9 C7 59.986
C3 C9 H8 130.611 H4 C6 H5 115.787
H4 C6 C7 115.650 H4 C6 C9 116.304
H5 C6 C7 118.217 H5 C6 C9 119.148
C6 C7 C9 59.581 C6 C7 C11 131.288
C6 C9 C7 59.986 C6 C9 H8 130.611
C7 C3 C9 60.433 C7 C6 C9 60.433
C7 C9 H8 130.281 C7 C11 N10 179.910
C9 C7 C11 134.506
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability