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All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-302.169414
Energy at 298.15K-302.180165
Nuclear repulsion energy246.526628
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 HF/cc-pVTZ
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 3938 3584 44.23      
2 A 3858 3511 37.77      
3 A 3818 3475 38.97      
4 A 3235 2944 40.74      
5 A 3224 2934 53.90      
6 A 3168 2884 29.90      
7 A 3162 2878 20.07      
8 A 3147 2864 49.70      
9 A 1929 1756 677.05      
10 A 1775 1616 172.15      
11 A 1659 1510 3.72      
12 A 1625 1479 4.02      
13 A 1611 1466 7.38      
14 A 1606 1461 21.55      
15 A 1547 1408 201.68      
16 A 1542 1403 119.00      
17 A 1491 1357 35.60      
18 A 1415 1288 3.58      
19 A 1298 1181 18.24      
20 A 1267 1153 2.45      
21 A 1220 1110 45.01      
22 A 1151 1047 13.31      
23 A 1055 960 3.29      
24 A 964 877 3.21      
25 A 888 808 8.31      
26 A 872 793 57.22      
27 A 638 581 43.42      
28 A 604 549 13.30      
29 A 557 507 115.65      
30 A 515 468 24.23      
31 A 406 370 164.12      
32 A 387 352 2.05      
33 A 289 263 1.80      
34 A 214 195 3.90      
35 A 108 99 5.79      
36 A 66 60 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 28122.7 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 25594.4 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 HF/cc-pVTZ
ABC
0.29350 0.06780 0.05644

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.607 -0.216 -0.001
H2 -2.684 -0.987 0.758
H3 -3.416 0.486 0.153
H4 -2.738 -0.679 -0.972
C5 -1.268 0.496 0.083
H6 -1.242 1.278 -0.669
H7 -1.170 0.977 1.052
N8 -0.189 -0.441 -0.143
H9 -0.391 -1.406 -0.032
N10 1.483 1.147 0.039
H11 2.455 1.313 -0.068
H12 0.882 1.828 -0.355
C13 1.139 -0.176 -0.016
O14 1.958 -1.047 0.058

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 N8 H9 N10 H11 H12 C13 O14
C11.08431.08241.08341.51912.13162.14462.43272.51564.31165.28844.06003.74674.6401
H21.08431.75231.75802.15863.04082.49732.70862.46194.73665.69044.67813.98464.6948
H31.08241.75231.75592.14892.45572.46903.37073.57314.94495.93314.53194.60645.5890
H41.08341.75801.75592.15742.48183.04912.69062.63054.70865.63474.44674.02464.8210
C51.51912.15862.14892.15741.08541.08571.44752.09822.82763.81472.56752.50183.5764
H62.13163.04082.45572.48181.08541.74882.08342.88682.81853.74572.21692.86544.0215
H72.14462.49732.46903.04911.08571.74882.09772.73132.84453.80822.62952.79313.8555
N82.43272.70863.37072.69061.44752.08342.09770.99192.31313.17372.51851.36052.2397
H92.51562.46193.57312.63052.09822.88682.73130.99193.16743.93573.49071.96312.3772
N104.31164.73664.94494.70862.82762.81852.84452.31313.16740.99170.99001.36792.2450
H115.28845.69045.93315.63473.81473.74573.80823.17373.93570.99171.67961.98742.4152
H124.06004.67814.53194.44672.56752.21692.62952.51853.49070.99001.67962.04883.0976
C133.74673.98464.60644.02462.50182.86542.79311.36051.96311.36791.98742.04881.1976
O144.64014.69485.58904.82103.57644.02153.85552.23972.37722.24502.41523.09761.1976

picture of Urea, ethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 108.716 C1 C5 H7 109.725
C1 C5 N8 110.154 H2 C1 H3 107.952
H2 C1 H4 108.388 H2 C1 C5 110.927
H3 C1 H4 108.335 H3 C1 C5 110.259
H4 C1 C5 110.882 C5 N8 H9 117.443
C5 N8 C13 125.966 H6 C5 H7 107.318
H6 C5 N8 109.854 H7 C5 N8 111.005
N8 C13 N10 115.946 N8 C13 O14 122.084
H9 N8 C13 112.186 N10 C13 O14 121.964
H11 N10 H12 115.897 H11 N10 C13 113.812
H12 N10 C13 119.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301 -0.331   -0.392
2 H 0.098 0.095   0.115
3 H 0.104 0.063   0.084
4 H 0.106 0.090   0.106
5 C -0.050 0.531   0.467
6 H 0.073 -0.057   -0.030
7 H 0.096 -0.054   -0.032
8 N -0.227 -0.827   -0.772
9 H 0.175 0.352   0.350
10 N -0.326 -0.931   -0.915
11 H 0.187 0.386   0.393
12 H 0.176 0.362   0.356
13 C 0.344 1.033   0.953
14 O -0.454 -0.710   -0.684


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.355 2.986 -0.535 4.523
CHELPG        
AIM        
ESP -3.379 2.962 -0.584 4.531


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.105 7.381 -1.518
y 7.381 -35.343 -1.651
z -1.518 -1.651 -37.967
Traceless
 xyz
x -2.450 7.381 -1.518
y 7.381 3.193 -1.651
z -1.518 -1.651 -0.743
Polar
3z2-r2-1.487
x2-y2-3.762
xy7.381
xz-1.518
yz-1.651


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.986 -0.163 0.061
y -0.163 7.518 -0.035
z 0.061 -0.035 5.677


<r2> (average value of r2) Å2
<r2> 200.214
(<r2>)1/2 14.150