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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-56.068913
Energy at 298.15K-56.078946
HF Energy-56.068913
Nuclear repulsion energy138.114460
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/CEP-121G
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 3878 3539 29.71      
2 A 3306 3016 17.84      
3 A 3244 2961 20.89      
4 A 3162 2885 0.82      
5 A 1792 1635 250.47      
6 A 1668 1522 80.73      
7 A 1637 1493 16.59      
8 A 1622 1480 29.03      
9 A 1582 1444 48.80      
10 A 1300 1186 1.03      
11 A 1265 1154 24.86      
12 A 1253 1143 0.35      
13 A 975 889 6.23      
14 A 521 476 4.67      
15 A 344 314 16.58      
16 A 241 220 3.31      
17 A 196 179 0.24      
18 A 45 41 0.43      
19 B 3871 3532 8.92      
20 B 3306 3016 10.81      
21 B 3245 2961 105.23      
22 B 3161 2884 159.08      
23 B 1706 1557 513.14      
24 B 1652 1508 16.27      
25 B 1628 1485 63.19      
26 B 1593 1454 9.39      
27 B 1398 1275 292.19      
28 B 1272 1160 0.29      
29 B 1256 1146 20.53      
30 B 1094 998 3.64      
31 B 824 751 71.47      
32 B 746 680 7.67      
33 B 552 504 296.84      
34 B 362 330 29.70      
35 B 130 119 16.54      
36 B 45 41 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 27933.2 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 25489.0 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/CEP-121G
ABC
0.32828 0.07045 0.05929

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.083
O2 0.000 0.000 1.331
N3 0.000 1.167 -0.647
N4 0.000 -1.167 -0.647
C5 -0.049 2.476 0.010
C6 0.049 -2.476 0.010
H7 -0.107 1.127 -1.634
H8 0.107 -1.127 -1.634
H9 0.409 3.213 -0.639
H10 -0.409 -3.213 -0.639
H11 0.503 2.429 0.938
H12 -0.503 -2.429 0.938
H13 -1.068 2.779 0.233
H14 1.068 -2.779 0.233

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.24801.37661.37662.47732.47732.05662.05663.31893.31892.62322.62322.98112.9811
O21.24802.29692.29692.80642.80643.17373.17373.79153.79152.51112.51113.17343.1734
N31.37662.29692.33361.46573.70170.99312.49922.08704.39922.08743.96142.12494.1817
N41.37662.29692.33363.70171.46572.49920.99314.39922.08703.96142.08744.18172.1249
C52.47732.80641.46573.70174.95242.12733.96321.08425.73741.08005.01191.08655.3769
C62.47732.80643.70171.46574.95243.96322.12735.73741.08425.01191.08005.37691.0865
H72.05663.17370.99312.49922.12733.96322.26432.36814.46302.94604.40592.67154.4861
H82.05663.17372.49920.99313.96322.12732.26434.46302.36814.40592.94604.48612.6715
H93.31893.79152.08704.39921.08425.73742.36814.46306.47851.76415.92881.76926.0915
H103.31893.79154.39922.08705.73741.08424.46302.36816.47855.92881.76416.09151.7692
H112.62322.51112.08743.96141.08005.01192.94604.40591.76415.92884.96031.75685.2857
H122.62322.51113.96142.08745.01191.08004.40592.94605.92881.76414.96035.28571.7568
H132.98113.17342.12494.18171.08655.37692.67154.48611.76926.09151.75685.28575.9547
H142.98113.17344.18172.12495.37691.08654.48612.67156.09151.76925.28571.75685.9547

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 121.253 C1 N3 H7 119.548
C1 N4 C6 121.253 C1 N4 H8 119.548
O2 C1 N3 122.049 O2 C1 N4 122.049
N3 C1 N4 115.901 N3 C5 H9 108.944
N3 C5 H11 109.235 N3 C5 H13 111.878
N4 C6 H10 108.944 N4 C6 H12 109.235
N4 C6 H14 111.878 C5 N3 H7 118.548
C6 N4 H8 118.548 H9 C5 H11 109.199
H9 C5 H13 109.179 H10 C6 H12 109.199
H10 C6 H14 109.179 H11 C5 H13 108.369
H12 C6 H14 108.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.293      
2 O -0.405      
3 N -0.485      
4 N -0.485      
5 C -0.289      
6 C -0.289      
7 H 0.323      
8 H 0.323      
9 H 0.143      
10 H 0.143      
11 H 0.204      
12 H 0.204      
13 H 0.160      
14 H 0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.889 4.889
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.702 -0.383 0.000
y -0.383 -28.766 0.000
z 0.000 0.000 -38.242
Traceless
 xyz
x -5.198 -0.383 0.000
y -0.383 9.706 0.000
z 0.000 0.000 -4.508
Polar
3z2-r2-9.016
x2-y2-9.936
xy-0.383
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.196 -0.177 0.000
y -0.177 8.153 0.000
z 0.000 0.000 6.971


<r2> (average value of r2) Å2
<r2> 161.129
(<r2>)1/2 12.694