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All results from a given calculation for HCONH2CN2H4 (formamide aminomethanimine dimer)

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-61.043255
Energy at 298.15K-61.053127
Nuclear repulsion energy129.455153
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 B1B95/CEP-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 3760 3601 75.19      
2 A 3710 3553 40.77      
3 A 3567 3416 7.58      
4 A 3296 3156 784.35      
5 A 3103 2971 75.28      
6 A 3051 2922 157.93      
7 A 2825 2705 1340.21      
8 A 1775 1700 141.11      
9 A 1745 1671 549.36      
10 A 1671 1600 36.24      
11 A 1632 1562 33.18      
12 A 1407 1347 45.59      
13 A 1398 1338 43.14      
14 A 1375 1317 34.56      
15 A 1356 1298 88.94      
16 A 1156 1107 274.10      
17 A 1147 1099 66.26      
18 A 1127 1079 3.94      
19 A 1107 1060 15.49      
20 A 1070 1024 8.18      
21 A 1014 971 17.43      
22 A 956 915 149.95      
23 A 760 728 162.78      
24 A 639 612 11.29      
25 A 617 591 111.91      
26 A 577 553 8.99      
27 A 508 487 69.60      
28 A 255 244 101.81      
29 A 238 227 0.53      
30 A 189 181 1.60      
31 A 174 167 82.65      
32 A 164 157 3.68      
33 A 76 73 20.10      

Unscaled Zero Point Vibrational Energy (zpe) 23722.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 22714.1 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 B1B95/CEP-31G
ABC
0.17754 0.06835 0.04935

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.415 1.205 -0.005
N2 -1.473 1.103 -0.001
N3 1.325 1.208 -0.001
C4 -2.034 -0.135 0.002
O5 -1.377 -1.223 -0.001
C6 2.030 0.093 0.002
N7 1.458 -1.147 -0.002
H8 0.428 -1.247 -0.007
H9 -2.070 1.923 0.002
H10 -3.142 -0.157 0.008
H11 1.905 2.052 0.001
H12 3.132 0.088 0.008
H13 2.040 -1.974 0.004

Atom - Atom Distances (Å)
  H1 N2 N3 C4 O5 C6 N7 H8 H9 H10 H11 H12 H13
H11.06271.74002.10182.61152.68663.00752.59341.80343.04832.47033.71964.0167
N21.06272.79981.35962.32813.64603.69583.02311.01362.09163.50914.71634.6701
N31.74002.79983.61763.63441.31972.35912.61413.46904.67081.02442.12673.2612
C42.10181.35963.61761.27094.07083.63652.70182.05801.10804.50605.17174.4699
O52.61152.32813.63441.27093.65232.83661.80523.22082.06164.63674.69643.4986
C62.68663.64601.31974.07083.65231.36542.08874.48985.17821.96331.10252.0665
N73.00753.69582.35913.63652.83661.36541.03554.67694.70593.23032.08061.0106
H82.59343.02312.61412.70181.80522.08871.03554.03583.73263.61513.01651.7682
H91.80341.01363.46902.05803.22084.48984.67694.03582.34023.97725.51645.6632
H103.04832.09164.67081.10802.06165.17824.70593.73262.34025.50986.27955.4911
H112.47033.50911.02444.50604.63671.96333.23033.61513.97725.50982.31594.0281
H123.71964.71632.12675.17174.69641.10252.08063.01655.51646.27952.31592.3335
H134.01674.67013.26124.46993.49862.06651.01061.76825.66325.49114.02812.3335

picture of formamide aminomethanimine dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N2 C4 119.883 H1 N2 H9 120.565
H1 N3 C6 122.216 H1 N3 H11 124.617
N2 H1 N3 174.581 N2 C4 O5 124.478
N2 C4 H10 115.536 N3 C6 N7 122.941
N3 C6 H12 122.549 C4 N2 H9 119.552
C4 O5 H8 121.920 O5 C4 H10 119.985
O5 H8 N7 173.658 C6 N3 H11 113.167
C6 N7 H8 120.295 C6 N7 H13 120.128
N7 C6 H12 114.510 H8 N7 H13 119.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.396      
2 N -0.353      
3 N -0.266      
4 C -0.272      
5 O -0.243      
6 C -0.439      
7 N -0.366      
8 H 0.366      
9 H 0.284      
10 H 0.172      
11 H 0.227      
12 H 0.199      
13 H 0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.690 2.155 0.025 2.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.749 -7.448 0.020
y -7.448 -32.775 0.001
z 0.020 0.001 -39.764
Traceless
 xyz
x 14.520 -7.448 0.020
y -7.448 -2.018 0.001
z 0.020 0.001 -12.502
Polar
3z2-r2-25.005
x2-y211.025
xy-7.448
xz0.020
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.978 -0.597 0.001
y -0.597 9.305 -0.001
z 0.001 -0.001 3.303


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000