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All results from a given calculation for C3H6N2 (3-Aminopropionitrile)

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-225.243962
Energy at 298.15K-225.251115
HF Energy-224.716601
Nuclear repulsion energy152.507860
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 QCISD/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' 3390 3286 0.99      
2 A' 3055 2961 23.59      
3 A' 3036 2943 3.87      
4 A' 2287 2217 0.13      
5 A' 1747 1693 18.99      
6 A' 1562 1513 4.65      
7 A' 1547 1500 3.64      
8 A' 1416 1372 4.32      
9 A' 1346 1305 0.11      
10 A' 1092 1058 9.79      
11 A' 972 942 20.10      
12 A' 928 899 2.08      
13 A' 753 730 282.53      
14 A' 540 523 0.88      
15 A' 377 366 7.73      
16 A' 178 173 5.87      
17 A" 3487 3380 0.76      
18 A" 3105 3009 21.30      
19 A" 3073 2978 0.70      
20 A" 1414 1370 0.56      
21 A" 1356 1314 0.28      
22 A" 1219 1181 0.02      
23 A" 996 965 0.66      
24 A" 770 747 1.35      
25 A" 434 421 0.18      
26 A" 327 317 61.30      
27 A" 113 110 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 20259.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 19635.4 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 QCISD/3-21G
ABC
0.81479 0.07372 0.07019

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.589 -0.083 0.839
H2 2.589 -0.083 -0.839
N3 2.256 -0.569 0.000
H4 0.486 -1.295 0.888
H5 0.486 -1.295 -0.888
C6 0.776 -0.718 0.000
H7 0.290 1.227 0.891
H8 0.290 1.227 -0.891
C9 0.000 0.649 0.000
N10 -2.626 0.279 0.000
C11 -1.466 0.458 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.67791.02522.42812.97922.09692.64673.16132.81845.29454.1760
H21.67791.02522.97922.42812.09693.16132.64672.81845.29454.1760
N31.02521.02522.10922.10921.48802.80782.80782.56364.95503.8607
H42.42812.97922.10921.77611.09782.53053.09302.19223.59912.7699
H52.97922.42812.10921.77611.09783.09302.53052.19223.59912.7699
C62.09692.09691.48801.09781.09782.19442.19441.57203.54482.5312
H72.64673.16132.80782.53053.09302.19441.78121.10093.19302.1139
H83.16132.64672.80783.09302.53052.19441.78121.10093.19302.1139
C92.81842.81842.56362.19222.19221.57201.10091.10092.65181.4782
N105.29455.29454.95503.59913.59913.54483.19303.19302.65181.1738
C114.17604.17603.86072.76992.76992.53122.11392.11391.47821.1738

picture of 3-Aminopropionitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 109.838 H1 N3 C6 111.782
H2 N3 C6 111.782 N3 C6 H4 108.368
N3 C6 H5 108.368 N3 C6 C9 113.786
H4 C6 H5 107.975 H4 C6 C9 109.094
H5 C6 C9 109.094 C6 C9 H7 109.090
C6 C9 H8 109.090 C6 C9 C11 112.126
H7 C9 H8 107.994 H7 C9 C11 109.225
H8 C9 C11 109.225 C9 C11 N10 178.689
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability