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All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-264.525723
Energy at 298.15K-264.533898
Nuclear repulsion energy183.526387
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 B1B95/6-311G*
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 3726 3572 23.45      
2 A 3679 3527 30.98      
3 A 3609 3460 15.12      
4 A 3151 3021 19.82      
5 A 3074 2947 44.57      
6 A 3023 2898 54.44      
7 A 1835 1759 497.34      
8 A 1679 1609 143.01      
9 A 1541 1477 45.28      
10 A 1507 1445 12.14      
11 A 1501 1439 76.95      
12 A 1471 1410 24.64      
13 A 1419 1360 128.47      
14 A 1219 1168 4.77      
15 A 1162 1114 20.94      
16 A 1153 1105 12.72      
17 A 1092 1047 32.22      
18 A 903 866 4.65      
19 A 788 755 58.90      
20 A 602 577 36.57      
21 A 559 536 138.06      
22 A 539 516 29.83      
23 A 491 471 29.63      
24 A 393 377 148.16      
25 A 287 275 2.56      
26 A 172 165 2.60      
27 A 108 103 7.32      

Unscaled Zero Point Vibrational Energy (zpe) 20340.4 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 19498.3 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 B1B95/6-311G*
ABC
0.33107 0.14063 0.10136

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.861 0.044 0.078
H2 -2.089 0.736 -0.739
H3 -2.676 -0.675 0.118
H4 -1.853 0.607 1.016
H5 -0.615 -1.662 -0.046
N6 -0.624 -0.663 -0.148
C7 0.625 -0.112 -0.019
H8 -0.090 1.787 -0.413
H9 1.561 1.654 -0.063
N10 0.639 1.268 0.048
O11 1.633 -0.784 0.059

Atom - Atom Distances (Å)
  C1 H2 H3 H4 H5 N6 C7 H8 H9 N10 O11
C11.09511.08821.09412.11591.44232.49262.53223.78432.78373.5906
H21.09511.75251.77572.89882.11002.93312.28113.82372.88854.0990
H31.08821.75251.76892.29112.06983.35223.60974.83903.84394.3113
H41.09411.77571.76892.79472.11662.78052.55753.73092.75453.8737
H52.11592.89882.29112.79471.00471.98603.50793.96693.18932.4163
N61.44232.11002.06982.11661.00471.37142.52083.18592.31582.2698
C72.49262.93313.35222.78051.98601.37142.06671.99911.38181.2141
H82.53222.28113.60972.55753.50792.52082.06671.69331.00633.1309
H93.78433.82374.83903.73093.96693.18591.99911.69331.00562.4424
N102.78372.88853.84392.75453.18932.31581.38181.00631.00562.2806
O113.59064.09904.31133.87372.41632.26981.21413.13092.44242.2806

picture of Urea, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N6 H5 118.597 C1 N6 C7 124.701
H2 C1 H3 106.773 H2 C1 H4 108.417
H2 C1 N6 111.786 H3 C1 H4 108.304
H3 C1 N6 108.951 H4 C1 N6 112.400
H5 N6 C7 112.491 N6 C7 N10 114.523
N6 C7 O11 122.661 C7 N10 H8 119.020
C7 N10 H9 112.770 H8 N10 H9 114.625
N10 C7 O11 122.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.541      
2 H 0.222      
3 H 0.233      
4 H 0.239      
5 H 0.354      
6 N -0.585      
7 C 0.574      
8 H 0.342      
9 H 0.356      
10 N -0.792      
11 O -0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.463 1.915 -0.648 4.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.263 5.294 -0.842
y 5.294 -25.974 -2.040
z -0.842 -2.040 -31.570
Traceless
 xyz
x -2.491 5.294 -0.842
y 5.294 5.443 -2.040
z -0.842 -2.040 -2.951
Polar
3z2-r2-5.903
x2-y2-5.289
xy5.294
xz-0.842
yz-2.040


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.122 -0.122 0.127
y -0.122 6.081 -0.060
z 0.127 -0.060 3.874


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